Teleporting

Mobile X Sessions

Tristan Richardson

Abstract
This paper examines issues involved in making an X session mobile. A mobile X session is one which is not fixed to a particular X display, but can be materialised on demand at any suitable display. The Teleporting System developed at Olivetti Research Laboratory (ORL) is a tool for experiencing mobile X sessions. It provides a familiar, personalised way of making temporary use of X displays as the user moves from place to place. When linked to location facilities such as those provided by the Olivetti Active Badge System the traditional log-in process can be almost entirely eliminated, allowing the nomadic user to easily make use of computing resources which are to hand.

Introduction

Traditional interaction with character-based terminals has taken the form of a session where the user logs in by entering a user-id and password, interacts with applications one at a time from the command line, and eventually logs out to end the session. Workstations using a windowing system such as X have extended this traditional session to allow the user to interact with multiple applications at the same time, each being displayed in a different window. However, the process of logging in and out has remained largely the same. When the user runs a number of applications there is a considerable amount of state involved in a session. It is unrealistic to expect a user to log out every time the workstation is left temporarily. Users tend to stay logged in to a workstation for long periods of time, often for a whole day and sometimes for several days or weeks.

Tristan

Richardson (trichardson@cam-orl.co.uk) is a Research Engineer at Olivetti Research Laboratory, Cambridge, England.

Active

Badge is a registered trademark of Ing. C. Olivetti & C., S.p.A.

Page 1

Making temporary use of a workstation where someone else is logged in can be a problem. It can be considered antisocial to interfere with another users session, and interacting with anothers session is likely to be frustrating since the applications will be running as the wrong user-id and will be configured in a way which is unfamiliar. Logging the original user out before logging oneself in is likely to be considered antisocial as well, because it loses the state inherent in the original users session. In an environment where people are mobile, portable computers are one way of accessing computing resources, but they will always be restricted due to size, weight and power considerations. A relatively unexplored alternative is to facilitate the temporary use of workstations and other equipment which is to hand. In X, one obvious way of making this possible is via a mobile X session, which is not fixed to a particular X display, but can be materialised on demand at any suitable display.

Related work

One way of appearing to move an X session from one display to another is to shut down the session on the original display, and start up a session with the same clients in the same state on a new display. This could be achieved in X with the help of a special client known as a session manager. The purpose of the session manager is to record the state inherent in a session in such a way that the clients can be restarted in the same state. Using a special protocol it tells clients when the session is about to be shut down so that they can save their state. Previously this has been attempted using the WM_SAVE_YOURSELF protocol of the ICCCM. Release 6 of X has introduced a new Session Management Protocol as an attempt to rectify the deficiencies in the old protocol. However, the vast majority of existing clients use neither of these protocols. Furthermore, even if clients are written which participate in the session management protocol, there may be aspects of a clients state which are difficult or impossible to save. For example there is no way of saving the state of a unix process which has pipes or sockets connected to other processes. In general, the only way to avoid losing the state of a client when moving an X session is not to shut down the client at all. Instead the client must be able to close its connection with one server, connect to the new server, create all its windows and other server resources as before, and so continue where it left off on the original server. There have been attempts to develop such mobile applications in X. Trestle [Manasse93] and XTk [Jacobi92] are both toolkits designed for the development of applications whose windows are redirectable between displays. Interesting new applications can be developed using such a toolkit, but clearly this approach cannot be used to add mobility to existing, unaltered applications. In order to make existing applications mobile without alteration, a different approach is required. This is to put a level of indirection between the client and the real server, called a proxy server (also called a pseudoserver). Proxy servers are not a new idea. Many have been written in order to duplicate an applications output on to multiple displays [Abdel-Wahab91] [Altenhofen90]. However, these are not directly applicable to client mobility. They all use one X server as a master server to which the clients

must remain connected throughout their lifetime. There is no way in which this connection for a client can be closed without shutting down the client. More recently, new proxy servers have been developed specifically for the purpose of application mobility. These include our teleporting proxy X server, tpproxy [Richardson94], and xmove [Solomita94]. These two proxy servers are in many ways very similar, but there are some important design goals in xmove which make it unsuitable as a basis for making X sessions mobile. Xmove is designed specifically for moving clients on an individual basis. Although one instance of xmove can cope with several clients, it deals with each client separately, not as a coherent session with a root window and a window manager. Much effort has gone into making a client running through xmove appear on the real X server just as it would without xmove. Private protocols for communication between clients running through xmove and clients running directly on the real X server (needed for features like drag-and-drop) must be understood and translated by xmove. This means that each time new inter-client protocols are developed, an extension to xmove must be written which understands the protocol. This is unnecessary when one considers a mobile X session as a whole.
The Olivetti Teleporting System
The teleporting systems main component is tpproxy, a proxy X server for making X sessions mobile. A mobile X session running through tpproxy is called a teleport session. Tpproxy acts more like a real X server than other proxy servers. It has its own root window, on which the windows of its clients can be placed under the control of a window manager. Normally, tpproxy behaves as a filter, much like other proxy servers. It takes requests from its clients, translates them and sends them on to the real server, and in the reverse direction takes replies, events, and error packets from the server and sends them on to the appropriate client. While doing this, tpproxy also records all changes to the state inside the server relevant to its clients. When told to materialise the teleport session on a new server, tpproxy can generate requests to the new server to bring up to date the state of each of its clients as seen by the new server. Most of the issues involved in this have been covered elsewhere [Chung91] [Richardson94] [Solomita94]. When told to dematerialise, tpproxy disconnects from the real server. It continues to process requests from its clients, and for most requests, simply records any state changes before discarding the request. For some requests, however, the client needs a response from the real server. A client which issues such a request while the teleport session is dematerialised will be suspended, and no more requests from that client will be processed until the session is rematerialised on a real X server.

Security

Authorisation for connection by a client to tpproxy is just the same as for any X server, using the normal authorisation mechanisms, the host list, and the magic cookie scheme. Clients which are in tpproxys host list, or which provide the correct value of the magic cookie are allowed to connect to tpproxy, while any others are rejected.
A separate and more difficult problem is how tpproxy is given authorisation to access real X servers. Within ORL this is achieved by running tpproxy as a special privileged user-id which has access to the magic cookies for all real X displays at ORL. This scheme clearly does not scale outside a single administrative domain. For teleporting to displays at other sites a different scheme is needed whereby the cookie for the real display is passed to tpproxy just before it connects to the display. Further research is needed to find a secure way in which permission to connect to an X display can be given temporarily to visitors from other sites.
Integration with the underlying X session
The teleport sessions root window appears as a normal client window on the real X server, decorated in the usual way by the window manager in the underlying X session. Each of tpproxys clients windows appear as subwindows of this pseudo-root window, controlled by the window manager running in the teleport session. This is much like the Virtual Screen program [Lin92]. If no window manager is running on the real X server, the teleport sessions root window simply covers the whole screen. This most commonly occurs when no-one is logged in and the XDM login window is showing. In this case tpproxy must also unmap the XDM login window to release XDMs keyboard grab. Another aspect of integration with the underlying X session is how inter-client communication is affected. Because tpproxy deals with an X session as a whole, it is usually only necessary to consider inter-client communication between clients of the same proxy X server. Any private protocols between these clients need not be understood by the proxy server in the same way that they need not be understood by a real X server. In general, inter-client communication will not work between a client in the underlying session and a client in the teleport session. One reason for this is that the space of identifiers for server resources as seen by a client of the proxy server is different from that seen by a direct client of the real server. Any private protocol in which these clients exchange resource identifiers is likely to fail. One important exception to this rule is the normal selection mechanism, which is part of the X protocol. Thus cutting and pasting of text between a client in a teleport session and a client in the underlying session works in the normal way.

Keyboard personalisation

In a normal X session, users can personalise the keyboard according to their preference by altering the keyboard (and modifier) mapping. This facility should also be provided in a mobile X session. Tpproxy achieves this by keeping two different keyboard mappings, one for the teleport session, and one for the underlying session running on the real server. When the input focus enters the teleport sessions root window, tpproxy saves the mapping for the underlying session and installs the mapping for the teleport session. Similarly, the teleport sessions mapping is saved and the underlying sessions mapping installed when the input focus leaves the teleport sessions root window.
Users can also customise the pointer mapping, key-click, auto-repeat,
etc, but no users of the teleporting system have
found these to be important.
Because a keyboard mapping is specific to a physical X display, it makes no sense to copy the keyboard mapping when the teleport session is moved to a new real X server. What tpproxy does upon materialisation is to copy the default keyboard mapping for the real X server to be the starting point for the teleport sessions mapping. The user can then modify the teleport sessions mapping as desired, completely isolated from the mapping in the underlying session. A mechanism is provided by which these modifications to the keyboard mapping can be automatically applied upon materialisation, so that for a given display, the keyboard is always personalised to the users preference.

Display heterogeneity

X servers have a wide variety of characteristics such as screen size, depth and framebuffer format, which are exposed to the client. Tpproxy has to present a view to all its clients of the kind of X server it is, and maintain this consistently, even when the underlying real X server has substantially different characteristics. We review some of the problems this causes and the solutions which tpproxy adopts, some of which are only partial solutions. Screen size Screen width and height vary greatly between different X servers. When the teleport session is moved from a large display to a smaller one, obviously not all of the root window can be visible at once. The teleporting system provides two solutions to this, both of which treat the window on the real X server as a viewport on to tpproxys root window. This viewport is similar to the facilities offered by virtual desktop window managers such as tvtwm (available in the contributed software section of R5 and R6). The first solution involves running a special window manager called tpwm which is a version of tvtwm, modified to be aware of the possible resizing of the viewport. The disadvantage of this solution is that it forces the user to adopt a particular window manager. Since most users at ORL use a twm-like window manager (tvtwm is based on twm), this has been found to be the best solution. The second solution allows the use of any window manager, and effectively adds virtual desktop functionality by the use of a special client called tpviewport. The disadvantage of this approach is that there is a potential conflict between the window manager and tpviewport, especially if the window manager already has a virtual desktop feature. Colour handling Colour handling is one area where the X protocol exposes a lot of detail about the server to the client. There is a wide variety of possible combinations of framebuffer depth and mapping of pixel values to colours on the screen. Tpproxys solution to these problems is a compromise which we have found to cope satisfactorily with nearly all clients. However there will always be clients which cause problems when teleporting to monochrome servers and servers which do not allow writable colormaps.

same problem occurs when tpproxys root window is managed by the underlying window manager and the window is resized.
The current version of tpproxy normally tells its clients it is an 8-bit StaticColor server, meaning that it has a read-only colormap. If the real server also has a read-only colormap, then all pixel values must be translated between the client and the server. This means that functions such as exclusive-or on pixel values may not work as the client expects. In addition, image data has to be translated a pixel at a time, which can be somewhat time-consuming. If the real server allows writable colormaps then tpproxy will normally install its own colormap so that functions such as exclusive-or on pixel values may be freely performed. If the server happens to also be an 8-bit server then image data can be passed through untranslated, virtually removing any performance problem.
Controlling The Teleporting System
There are two issues in controlling where a mobile X session is displayed. Only the correct user must be able to control the teleport session, so some sort of authentication is needed. Secondly, the user must somehow specify which X display the teleport session should appear on. The proxy server offers a textual command-line interface which meets these requirements. In addition, its integration with the location facilities developed at ORL provides a simpler and richer interface.
The command-line interface
The command-line interface to the proxy server offers one single command, teleport. This command is used to initialize a teleport session, as well as control its materialisation to, and dematerialisation from, any X display within the building. The teleport command can be executed from within another users session by quoting a user name and password. However, finding a suitable terminal window in the other users session may not always be trivial. A preferable approach to controlling the teleport session is not to have to interfere with the underlying session at all.
The automated control interface
Integration with the Active Badge Location System [Want92] [Harter94] has introduced a level of automation to the teleporting procedure, making it much easier to make temporary use of X displays. The Active Badge System provides a means of locating individuals and equipment within a building. Personnel and equipment wear a small infra-red transmitting Active Badge, which has a unique identity. With a networked infra-red receiver in each room, the Active Badge System creates a dynamic database describing the location of individuals and equipment within the building. The teleporting system uses this database to determine which X displays are co-located with a particular individual. In addition, the Active Badge can be used as a control mechanism. One of two small buttons on the badge is used to select an appropriate X server within the room, and the other is used to confirm the selection and materialise the users teleport session. The badge acts as the required authentication mechanism, since it has a unique identity, and is generally worn by its owner at all times. An additional security feature is that when a user leaves

a room in which they have teleported, the teleporting system can automatically dematerialise their teleport session without any action by the user.

Conclusion

The original goal of the teleporting system, to add mobility to X sessions based on existing X applications, has been achieved. The system is in everyday use and for many users has completely replaced the standard log-in session. The main feature of the teleporting system is that by using a proxy server it makes existing applications mobile, without the application being aware of any redirection. However, it has also provided a framework for experimenting with new applications which are aware of their own mobility. The first of these to be developed were tpwm and tpviewport, described earlier, which adapt to the screen size of the real display. Further ways of adapting to a smaller screen have been devised, including the ability to automatically iconify particular windows, and to reduce the font size for text windows. Using the Active Badge database, mobile applications can be aware not only of the properties of the X display they are materialised on, but also of the surrounding environment. For example, applications can send documents to a virtual printer, which will automatically print the document on the users nearest printer. Another simple example is a display selector tool which shows a menu of all the X displays in the same room and can be used to redirect the teleport session between them. Teleporting is an important example of a nomadic style of working using an infrastructure of static resources. In a suitably-equipped environment, a mobile user need not be constrained by the limitations of equipment that can be carried. Instead, more powerful, networked computing devices can be used in a way that is familiar and personalised for the needs of each user.

References

[Abdel-Wahab91] Hussein M Abdel-Wahab and Mark A Feit. XTV: A Framework for Sharing X Window Clients in Remote Synchronous Collaboration. Proceedings of IEEE TriComm 91: Communications for Distributed Applications & Systems, Chapel Hill, North Carolina, April 1991. Michael P Altenhofen. Erweiterung eines Fenstersystems fr TutoringFunktionen. Diploma Thesis, Universitt Karlsruhe, Karlsruhe, Germany, 1990. Goopeel Chung, Kevin Jeffay and Hussein M Abdel-Wahab. Accommodating late-comers in a distributed system for synchronous collaboration. Technical report TR91-038, Department of Computer Science, University of North Carolina at Chapel Hill, October 1991. Andy Harter and Andy Hopper. A Distributed Location System for the Active Office. IEEE Network, Special Issue on Distributed Systems for Telecommunications, January 1994.

[Altenhofen90]

[Chung91]

[Harter94]

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[Jacobi92] [Lin92] [Manasse93] [Richardson94]
Christian P Jacobi. Migrating Widgets. Proceedings of the 6th Annual X Technical Conference, January 1992. Jin-Kun Lin. Virtual Screen: A Framework for Task Management. Proceedings of the 6th Annual X Technical Conference, January 1992. Mark S Manasse. The Trestle Toolkit. Proceedings of the 7th Annual X Technical Conference, January 1993. Tristan Richardson, Frazer Bennett, Glenford Mapp and Andy Hopper. Teleporting in an X Window System Environment. IEEE Personal Communications Magazine, Third Quarter 1994. Ethan Solomita, James Kempf and Dan Duchamp. XMOVE: A Pseudoserver For X Window Movement. The X Resource, Issue 11, OReilly & Associates Inc, July 1994. Roy Want, Andy Hopper, Veronica Falcao and Jonathan Gibbons. The Active Badge Location System. ACM Transactions on Information Systems, January 1992.

[Solomita94]

[Want92]

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Lexmark 4076/1000/20/100/2030/50/55 Lexmark 1361760 Photo Lexmark 4076 Lexmark 2070 Lexmark 2070 Lexmark 1000 Lexmark Pro 805/ Pro 205/ Pro 705/ Pro 905/ S305/ S405/ S505/ Lexmark X2690 / X3690 / X4690 / Z2390 / Z2491 Lexmark Z2300, Z2320, X2650 and X2600 printers Lexmark Z2300, Z2320, X2650 and X2600 printers Lexmark Z2300, Z2320, X2650 and X2600 printers Lexmark i3/Z13/Z23/Z33/Z601/Z605 Black Lexmark i3/Z13/Z23/Z33/Z601/Z605 Black Lexmark Z35/Z601/Z605 Low Black Lexmark Z35/Z601/Z605 Low Black Lexmark P706/ P707/ P700ser Z705/ Z708/ Z700ser / P3150/ P31201 Lexmark X3500/4500/Z1400 Black Lexmark X3500/4500/Z1400 Black Lexmark X2500/5490/Z1300 Black Lexmark X2500/5490/Z1300 Black Lexmark X2580/3580/Z1380 Black Lexmark Z815/X5250/5270 Photo Lexmark Z815/X5250/5270 Black Lexmark Z815/X5250/5270 Black Lexmark Z2400, Z2410, Z2420, X3630, X3650, X4630, X4650 Lexmark Z2400, Z2410, Z2420, X3630, X3650, X4630, X4650 Lexmark Z2400, Z2410, Z2420, X3630, X3650, X4630, X4650 Lexmark Z2400, Z2410, Z2420, X3630, X3650, X4630, X4650 Lexmark Z2400, Z2410, Z2420, X3630, X3650, X4630, X4650 Lexmark Z2400, Z2410, Z2420, X3630, X3650, X4630, X4650 Lexmark Z2400, Z2410, Z2420, X3630, X3650, X4630, X4650 Lexmark Z2400, Z2410, Z2420, X3630, X3650, X4630, X4650 Lexmark X2600 Series, X3600 Series, X4600 Series Lexmark X2600 Series, X3600 Series, X4600 Series Lexmark X9350/P350 Series Photo Lexmark X4800/6570 Black Lexmark X4800/6570 Black Lexmark X9350
1382060 15M0640 No 100 / 014N0820E Black No 14 / 18C2090E ( Must be the `A` Type) No 14A / 18C2080E No 15 / 18C2110E (Must be the `A` Type) No 15A / 18C2100E No 16 / 10N0016 (Round Connector) No 16 / 10N0016 (Square Connector) No 17 / 10N0217 (Round Connector) No 17 / 10N0217 (Square Connector) No 19 / 15M2619 No 23 / 18C1523E (Must be the `A` Type) No 23A / 18C1623E No 28 / 18C1428E (Must be the `A` Type) No 28A / 18C1528E No 3 / 18C1530 No 31 / 18C0031 No 32 / 18C0032 No 34 / 18C0034 No 36 / 18C2170E XL (Must be the `A` Type) No 36 18C2130E (Must be the `A` Type) No 36A / 18C2150E No 36A / 18C2190E XL No 37 / 18C2140E (Must be the `A` Type) No 37 / 18C2180E XL (Must be the `A` Type) No 37A / 18C2160E No 37A / 18C2200E XL No 4 / 18C2460E XL (Must be the `A` Type) No 4 18C1974E (Must be the `A` Type) No 40 / 18Y0340 No 41 / 18Y0141E (Must be the `A` Type) No 41A / 18Y0341E No 44 / 18Y0134 XL

0.04 0.04 0.04 0.04 0.00

0.00 0.00 0.00 0.00 0.00
Lexmark 3200/5000/5700/5770 Colour Lex X5100/X5130/X5150/X5190Pro/X6150/X6190Pro/X6170/Z55/Z65 Lexmark 3200/5000/5700/5770 Colour Lexmark Z55/65 Colour/Photo

Neopost Inkjets

No 80 / 12A1980 No 83 / 18L0042 No 85 / 12A1985 No 88 / 18L0000
Neopost RJ 25 Neopost RJ 35 (410) Neopost RJ 35 (413)

Olivetti Inkjets

RJ 25 RJ 35 RJ 35

1.50 0.38 0.00

Olivetti FaxiLab Series Olivetti JP150/170/190/250/350/360 Olivetti JP150/170/190/250/350/361 Olivetti Any Way Series Olivetti Any Way Series Olivetti Any Way Series Olivetti Any Way Series Olivetti Any Way Series

Phillips Inkjets

FJ-31 FPJ-20 Yell Top FPJ-22 IN501 IN502 High IN503 Photo IN504 HI CAP IN506 Photo
0.15 0.15 0.15 0.15 0.15 0.15 0.15 0.15
0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
Philips IPF 131 / 146 / 174 / 176 Philips FaxJet 320 / 325 / 335 / 355 / 365 / 375 Philips FaxJet 520 / 525 / 555 Philips FaxJet 531 / MF440 / 450 / 485 / 495 / 500 / 505 Philips Crystal / 600 / 650 / 660 / 665 / 680 Philips Crystal / 600 / 650 / 660 / 665 / 680

Phillips Colors Inkjets

PFA 421 Blue Top PFA-431 red top PFA-441 PFA-531 PFA-541 PFA-542 HI CAP
0.23 0.23 0.08 0.08 0.08 0.08
0.00 0.00 0.00 0.00 0.00 0.00
Philips IPF 131 / 146 / 174 / 176 Philips FaxJet 534 / MF440 / 450 / 485 / 495 / 500 / 505 Philips Crystal / 600 / 650 / 660 / 665 / 680 Philips Crystal / 600 / 650 / 660 / 665 / 680 Philips Crystal / 600 / 650 / 660 / 665 / 681

Pitney Inkjets

PFA 424 Blue Top PFA-534 PFA-544 PFA-546 HI CAP PFA-548

0.23 0.08 0.08 0.08 0.08

Pitney Bowes 766-E

PB-766-E

Pitney Bowes 797

Samsung Inkjets

Important Prices shown are valid provided 30 or more items of value are returned per collection or 20 or more items per Courier Bag or 85 cartridges or more per Pallet or 100 per Cage or 3 inkjets per Freepost Bag PB-797
Samsung C1 Samsung C10 Samsung C50 Samsung SF-430 / 4700 / SCX-1000 / 1100 / 1150F Samsung SF-4000 / 4100 / 4200 / 3000 / 3100 / 3200 Samsung SF330 / SF335T / SF331P Samsung SF330 / SF335T / SF331P Samsung SF370 / SF375TP Samsung SF370 / SF375TP Samsung SF-4300 / 4500 / 430 / 4700 / SCX-1100 Black Samsung M50C Samsung SF350 Fax machine

Brother Colors Laser Virgin Price Reman Price
Brother HL-2700CN Colour Toner Brother HL-4050CN Colour Brother HL-4050CN Colour
TN-04 - Colour TN-130 Colour Std Cap TN-135 Colour Hi Cap

Virgin Price Reman Price

Brother HL3040CN / HL3070CW / HL8070 / HL8370 / MFC9010CN / MFC9120CN Colour TN-210 / MFC9320CN / MFC-9320CW Brother HL3040CN / HL3070CW / DCP9010 / MFC9120CN / MFC9320CWTN-230 Colour

Brother Drum Laser

Brother HL-3260 / 3260 Brother HL-4050CN Drum Unit Brother HL 720, 730, 730+, 730DX, 760, 760+ Brother HL-2030 / 2040 Brother HL-2030 / 2040 Brother HL2140/2150N/2170W Brother HL2240 / HL2240D / HL2250DN / HL2270DW
DR-1200 DR-130 Drum DR-200 Drum DR-2000 / DR350 DR-2005 DR-2100 Drum DR-2200 Drum
DR-300 Drum Brother HL-820, HL-1020, HL-1040, HL-1040DX, HL-1050, HL-1050DX, HL-1060, HL-1070, HL-2000P Brother HL-1030/1230/1240/1250/1270/1440/1450/1470 Brother DR3100 Drum Unit Brother DR3200/DR620 Drum Unit Brother HL-6050 Series Brother HL7050 / HL7050N Brother HL-1270 Brother HL-1650/1670/1850/1870 Brother 8070P/MFC-9030/70/9160/80

Canon Laser

DR-3000 / DR510 DR-3100 / DR520 Drum DR-3200/DR620 Drum Unit DR-4000 DR-5500 Drum DR-6000 / DR400 Drum DR-7000 / DR500 DR-8000
Canon 701 Drum Canon 703 Canon M6580/6560/6550/6540/6530 Canon 706 Canon 707 Black Canon 707 Cyan Canon 707 Magenta Canon 707 Yellow Canon 708 Canon 712 Canon 714 Canon 719 Black Canon FC1 / FC2 / FC3 / FC3II / FC5 / FC5II / PC11 / PC6 / PC7 / PC7RE Canon A30
Important Prices shown are valid provided 30 or more items of value are returned per collection or 20 or more items per Courier Bag or 85 cartridges or more per Pallet or 100 per Cage or 3 inkjets per Freepost Bag Canon M PC1210D / PC1230D / PC1270D Canon Cartridge M
0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
Canon L380 / L400 / PC-D320 / PC-D340 / ImageClass D320 / D340 Canon FC200 / 300 series / PC300 / 500 / 700 series Canon FC200 / 300 series / PC300 / 500 / 700 series
Canon Cartridge T Canon E30 / E15 French or Others Canon E30 / E15 Japan / Chinese Versions Canon EP-22 (92A) Canon EP-25 (15A)
Canon LBP3200/300N/LDA/LDF Black
Canon EP-27 Canon EP-32 (96A) Canon EP-508 Std Cap

Canon LBP1760 / LBP-52

Canon EP-52 (27X) Canon EP-62 (29X)

0.00 0.00 0.00 0.00

Epson EPL-5500 (Toner unit) Epson EPL-5700 (Toner unit) Epson EPL6200 Toner Epson EPL6200 Toner Epson EPL-5500 (Drum Unit) Epson EPL-5700 (Drum unit) Epson N4000 Epson N2050 Epson EPL6200 Drum

Fuser Laser

SO50005 SO50010 SO50166/67 SO50166/67 SO51029 SO51055 SO51060 SO51070 SO51099
0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
All Lexmarkl Fusers HP Fusers Not Listed HP5200 HP LJIIIsi / Ivsi HP4/5 HP4+ HP4V/4MV HP5P/5MP HP4000/4050 HP6P/6MP HP2100 HP8100/8150
All Lexmarkl Fusers HP Fusers Not Listed RG1-2524-000CN RG5-0047-000CN RG5-0455-000CN RG5-0880-000CN RG5-1558-000CN RG5-1701-000CN RG5-2662-000CN / 2658 RG5-4111-000CN RG5-4133-000CN RG5-4317-000CN / 4328 / 8603
HP LJ 5si / 8000 HP4100 HP5000 HP2200 HP9000 HP9500 HP4600 HP5500 HP1500/2500 HP5100 HP4200 HP4300 HP2300 HP3500 HP4250/4350 HP2400

HP Laser

Important Prices shown are valid provided 30 or more items of value are returned per collection or 20 or more items per Courier Bag or 85 cartridges or more per Pallet or 100 per Cage or 3 inkjets per Freepost Bag RG5-4448-000CN / 3686
RG5-5064-000CN RG5-5456-000CN RG5-5569-000CN RG5-5751-000CN RG5-6098-000CN RG5-6517-000CN RG5-6701-000CN RG5-6913-000CN RG5-7061-080CN RM1-0041-000CN RM1-0102-050CN RM1-0354-000CN RM1-0430-000CN RM1-1083-000CN RM1-1531-000CN
HP Laserjet 4V/4MV HP 5P / 5MP / 6P / 6MP HP LaserJet P2035 / P2055 Black Toner HP LaserJet P2035 / P2055 Black Toner HP 5L / 5ML / 6L / 6ML / 3100 / 3150 HP Series 5Si / 8000 HP Series 5Si / 8000 HP LaserJet 2300 / 2300N HP LaserJet 2410 HP LaserJet 2410 HP LaserJet 1010 / 12 / 15 / 18 / 20 / 22 / 32 / 3015 / 20 / 30 HP 1300 / 1300A HP 1300 / 1300X HP LaserJet 1000 / 05 / 1200 / 20 / 3300 / 20 / 30 Std Cap HP LaserJet 1000 / 05 / 1200 / 20 / 3300 / 20 / 30 High Cap HP LaserJet 5200 Printer series HP 1150 HP 4000 / 4000N / 4000T / 4050 HP 4000 / 4000N / 4000T / 4050 HP 5000 / 5100 HP LaserJet P1005 / P1006 Printers

HP No 00A / C3900A HP No 03A / C3903A HP No 05A / CE505A HP No 05X / CE505X HI CAP HP No 06A / C3906A HP No 09A / C3909A HP No 09X / C3909X HP No 10A / Q2610A HP No 11A / Q6511A HP No 11X / Q6511X HP No 12A / Q2612A HP No 13A / Q2613A HP No 13X / Q2613X HP No 15A / C7115A HP No 15X / C7115X HP No 16A / Q7516A HP No 24A / Q2624A HP No 27A / C4127A HP No 27X / C4127X HP No 29X / C4129X HP No 35A / CB435A
0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
Important Prices shown are valid provided 30 or more items of value are returned per collection or 20 or more items per Courier Bag or 85 cartridges or more per Pallet or 100 per Cage or 3 inkjets per Freepost Bag HP LaserJet P1505 / P1505 Series HP No 36A / CB436A
0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
HP 4200 HP 4300 HP LaserJet 4240 / 4250 / 4350 Std Cap HP LaserJet 4240 / 4250 / 4350 High Cap HP 9000 HP 4345 HP LaserJet 1160 / 1320 / 1320n / 1320nw / 1320tn HP LaserJet 1160 / 1320 / 1320n / 1320nw / 1320tn HP P3005 Series HP P3005 Series HP LaserJet P2015 Printers Series A HP LaserJet P2015 Printers Series X HP Laserjet Enterprise P3015 HP Laserjet Enterprise P3015 HP 4100 HP 4100 HP LaserJet P4014 / P4050 / P4515 Series HP LaserJet P4014 / P4050 / P4515 Series HP LaserJet M5025 mfp / 5035 HP LaserJet 4L / 4P / 4ML / 4MP HP IIIp / IIIPMAC / IIp / IIp Plus HP LaserJet Pro P1566 HP 8100 & 8150 & Mopier 320 HP CE285A HP 4si / 4si mx / IIIsi IIIsi mx HP 1100 / 1100A / 3200 HP II / IID / III / IIID HP LaserJet 2100 series / 2200 series HP LaserJet 4 / 4+ / 4M / 4M+ / 5 / 5N / 5M HP LaserJet 4 / 4+ / 4M / 4M+ / 5 / 5N / 5M

HP Colors Laser

HP No 38A / Q1338A HP No 39A / Q1339A HP No 42A / Q5942A HP No 42X / Q5942X HP No 43X / C8543X HP No 45A / Q5945A HP No 49A / Q5949A Std Cap HP No 49X / Q5949X High Cap HP No 51A / Q7551A HP No 51X / Q7551X HP No 53A / Q7553A HP No 53X / Q7553X HP No 55A / CE255A Std Cap HP No 55X / CE255X Hi Cap HP No 61A / C8061A HP No 61X / C8061X HP No 64A / CC364A HP No 64X / CC364X HP No 70A / Q7570A HP No 74A / 92274A HP No 75A / 92275A HP No 78A / CE278A HP No 82X / C4182X HP No 85A / CE285A HP No 91A / 92291A HP No 92A / C4092A HP No 95A / 92295A HP No 96A / C4096A HP No 98A / 92298A HP No 98X / 92298X

0.00 0.00

HP 9500 Drum all Colors HP Color LaserJet 9500 HP Color LaserJet 9500 HP Color LaserJet 9500 HP Color LaserJet 9500 HP Color LaserJet 8500
HP 9500 Drum Units All Colors HP 9500 Q8550 Black HP 9500 Q8551 Colour Cartridge HP 9500 Q8552 Colour Cartridge HP 9500 Q8553 Colour Cartridge HP C4149
Important Prices shown are valid provided 30 or more items of value are returned per collection or 20 or more items per Courier Bag or 85 cartridges or more per Pallet or 100 per Cage or 3 inkjets per Freepost Bag HP Color LaserJet 8500 HP C4150
0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
HP Color LaserJet 8500 HP Color LaserJet 8500 HP Color LaserJet 8500 HP Color LaserJet 4500 HP Color LaserJet 4500 HP Color LaserJet 4500 HP Color LaserJet 4500 HP Color LaserJet 4500 HP 1500 / 2500 Black HP 1500 / 2500 Colour HP 1500 / 2500 Colour HP 1500 / 2500 Colour HP 1500 / 2500 Drum HP 4600 Black HP 4600 Colour HP 4600 Colour HP 4600 Colour HP 5500 Black HP 5500 Colour HP 5500 Colour HP 5500 Colour HP Colour LaserJet CP6015, CM6030, CM6040 HP Colour LaserJet CP6015, CM6030, CM6040 HP Colour LaserJet CP6015, CM6030, CM6040 HP Colour LaserJet CP6015, CM6030, CM6040 HP Colour LaserJet CM6030 F MFP/MFP/6040 F MFP/MFP HP Colour LaserJet CP4005 HP Colour LaserJet CP4005 HP Colour LaserJet CP4005 HP Colour LaserJet CP4005 HP Colour LaserJet CP1215 / CP1515 HP Colour LaserJet CP1215 / CP1515 HP Colour LaserJet CP1215 / CP1515 HP Colour LaserJet CP1215 / CP1515 Colour LaserJet CP2025/CM2320 Colour LaserJet CP2025/CM2320 Colour LaserJet CP2025/CM2320 Colour LaserJet CP2025/CM2320 DO NOT SEND THESE DO NOT SEND THESE DO NOT SEND THESE DO NOT SEND THESE
HP C4151 HP C4152 HP C4153 Drum HP C4191 HP C4192 HP C4193 HP C4194 HP C4195 Drum HP C9700A HP C9701A HP C9702A HP C9703A HP C9704A Drum HP C9720A HP C9721A HP C9722A HP C9723A HP C9730A HP C9731A HP C9732A HP C9733A HP CB380A Black HP CB381A Color HP CB382A Color HP CB383A Color HP CB390A Black HP CB400A Black HP CB401A Colors HP CB402A Colors HP CB403A Colors HP CB540A Black HP CB541A Color HP CB542A Color HP CB543A Color HP CC530A Black HP CC531A Colour HP CC532A Colour HP CC533A Colour DO NOT SEND THESE DO NOT SEND THESE DO NOT SEND THESE DO NOT SEND THESE
Important Prices shown are valid provided 30 or more items of value are returned per collection or 20 or more items per Courier Bag or 85 cartridges or more per Pallet or 100 per Cage or 3 inkjets per Freepost Bag HP CM 3530 FS MFP/MFP/CP 3525/3525 DN/N/X HP CE250A Black Std Cap

HP CM 3530 FS MFP/MFP/CP 3525/3525 DN/N/X HP CM 3530 FS MFP/MFP/CP 3525/3525 DN/N/X HP CM 3530 FS MFP/MFP/CP 3525/3525 DN/N/X HP CM 3530 FS MFP/MFP/CP 3525/3525 DN/N/X HP CE260A Black Std Cap HP CE260X Black Hi Cap HP CE261A Cyan HP CE262A Yellow HP CE263A Magenta HP CP5225 CE740 HP CP5225 CE741 HP CP5225 CE742 HP CP5225 CE743 HP 3500 (black) HP 3500 (colour) HP 3500 (colour) HP 3500 (colour) HP 3500 (black) HP 3700 (colour) HP 3700 (colour) HP 3700 (colour) HP Colour LaserJet 2550 (Black) HP Colour LaserJet 2550 (Black) HP Colour LaserJet 2550 (Colour) HP Colour LaserJet 2550 / 2550L / 2550N / 2550LN HP Colour LaserJet 2550 (Colour) HP Colour LaserJet 2550 (Colour) HP Colour LaserJet 2550 (Colour) HP Colour LaserJet 2550 (Colour) HP 4700 (black) HP 4700 (colour) HP 4700 (colour) HP 4700 (colour) HP Colour LaserJet 2600 / 2605 / 1015 / 1018 HP Colour LaserJet 2600 / 2605 / 1015 / 1018 HP Colour LaserJet 2600 / 2605 / 1015 / 1019 HP Colour LaserJet 2600 / 2605 / 1015 / 1020 HP 4730 (black)
HP CE250X Black Hi Cap HP CE251A HP CE252A HP CE253A HP CE260A Black Std Cap HP CE260X Black Hi Cap HP CE261A Cyan HP CE262A Yellow HP CE263A Magenta HP CP5225 CE740 HP CP5225 CE741 HP CP5225 CE742 HP CP5225 CE743 HP Q2670A HP Q2671A HP Q2672A HP Q2673A HP Q2680A HP Q2681A HP Q2682A HP Q2683A HP Q3960A HP Q3961A HP Q3962A HP Q3964A Drum HP Q3970A HP Q3971A HP Q3972A HP Q3973A HP Q5950A HP Q5951A HP Q5952A HP Q5953A HP Q6000A Black HP Q6001A Colour HP Q6002A Colour HP Q6003A Colour HP Q6460A
HP 4730 (colour) HP 4730 (colour) HP 4730 (colour)
Important Prices shown are valid provided 30 or more items of value are returned per collection or 20 or more items per Courier Bag or 85 cartridges or more per Pallet or 100 per Cage or 3 inkjets per Freepost Bag HP Q6461A
0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
HP Q6462A HP Q6463A HP Q6470A HP Q6471A HP Q6472A HP Q6473A HP Q7560A HP Q7561A HP Q7562A HP Q7563A HP Q7581A HP Q7582A HP Q7883A HPQ3963A
HP 3600 / 3800 (black) HP 3600 (colour) HP 3600 (colour) HP 3600 (colour) HP 2700 / 3000 (black) HP 2700 / 3000 (colour) HP 2700 / 3000 (colour) HP 2700 / 3000 (colour) HP 3800 (colour) HP 3800 (colour) HP 3800 (colour) HP Colour LaserJet 2550 (Colour)

HP Intro Laser

HP Colour LaserJet CP1215 / CP1516 HP Colour LaserJet CP1215 / CP1515 HP Colour LaserJet CP1215 / CP1515 HP Colour LaserJet CP1215 / CP1515 Colour LaserJet CP2025/CM2320 Colour LaserJet CP2025/CM2320 Colour LaserJet CP2025/CM2320 Colour LaserJet CP2025/CM2320 HP CM 3530 FS MFP/MFP/CP 3525/3525 DN/N/X HP CM 3530 FS MFP/MFP/CP 3525/3525 DN/N/X HP CM 3530 FS MFP/MFP/CP 3525/3525 DN/N/X HP CM 3530 FS MFP/MFP/CP 3525/3525 DN/N/X HP CE260A Black (INTRO) HP CE261A Cyan (INTRO) HP CE262A Yellow (INTRO) HP CE263A Magenta (INTRO) HP CP5225 CE741 (INTRO) HP CP5225 CE742 (INTRO) HP CP5225 CE743 (INTRO) HP LaserJet P2035 / P2055 Black Toner HP LaserJet P1005 / P1006 Printers HP LaserJet P1505 / P1505 Series

Lexmark X632s Lexmark T630 / T632 / T634 / X630e / X632 Lexmark T632 / T634 / X632 Lexmark T620 / T622 / X620 Lexmark E230 / E232 / E330 / E332 / E340 / E342 + Others Lexmark E230 / E232 / E330 / E332 / E340 / E342 Drum Lexmark E230 / E232 / E330 / E332 / E340 / E342 + Others Lexmark T430 Lexmark T430 Lexmark E230 / E232 / E330 / E332 Toner Lexmark E230 / E232 / E330 / E332 Toner Lexmark T430 Lexmark T430 Lexmark W820 Lexmark W810 Laser Cartridge Lexmark E220 Lexmark E220 Lexmark 4039 / 4049 / Lexmark R / L standard capacity Lexmark 4039 / 4049 / Lexmark R / L marathon capacity Lexmark Std (7k) Lexmark Marathon (14k) Lexmark E310 / E312 / E312L 6k Lexmark E310 / E312 / E312L Lexmark M410 / 412 Lexmark M410 Lexmark X215 Lexmark M410 Lexmark T640 / T642 / T644 / High Yield
12A7460 12A7462 12A7465 12A7644 12A8300 12A8302 Drum 12A8305 12A8320 12A8325 12A8400 12A8405 12A8420 12A8425 12B0090 12L0250/1 12S0300 12S1382150 13T0101 13T0301 17G0152 / 154 17G0154 18S0090 4K00199 64004HE Hi Cap
Lexmark T640, 640dn, 640n, 640tn, 642, 642dn, 642dtn, 642n, 642tn, 644, 644dn, 644dtn, 644n, 644tn 64015HA Lexmark T640 / T642 / T644 Lexmark T640 / T642 / T644 / Std Yield Lexmark T640 / T642 / T644 / High Yield Lexmark T640 / T642 / T644 / Std Yield Lexmark T640 / T642 / T644 High Cap Lexmark T644 Extra High Yield Lexmark E (Toner) Lexmark E (Drum) Lexmark E350/352 Toner 64016HE 64016SE 64036HE 64036SE 64040HW 64436XE 69G8256 69G8257 E352H11E / H21E
Important Prices shown are valid provided 30 or more items of value are returned per collection or 20 or more items per Courier Bag or 85 cartridges or more per Pallet or 100 per Cage or 3 inkjets per Freepost Bag Lex / IBM 1380520 Lex / IBM 1380520
Lexmark T610, T612, T614, T616 Lexmark E120 Lexmark E120 Drum Lexmark E120 Toner Lexmark E240 Lexmark E240 Lexmark E250 Lexmark E250/350/352/450 Toner Lexmark E250/350/352/450 Drum Lexmark E260 Lexmark E260/360/460 Standard Toner Lexmark E260/360/460 Drum Lexmark E320/E322 Lexmark E320 / E322 Lexmark E321 / E323 Lexmark E321 / E323 Lexmark E320/E322 Lexmark E320/E322 Lexmark E340 Lexmark E340/342/232/330/332 Toner Lexmark E340 / E340A11G Lexmark X340/342e Toner Lexmark E352 Lexmark E350 / E352 Lexmark E360 Lexmark E360/460 High Yield Toner Lexmark E450 Lexmark E450 Lexmark E450 Lexmark E450 Lexmark E460 Lexmark E460 Extra High Yield Toner Lexmark S (Prebate) Lexmark S (Prebate) Lexmark S (Prebate) Lexmark S (Non Prebate) Lexmark S (Non Prebate) Lexmark SE
Lexmark 12A5140 HI Cap Lexmark E120 / 12016SE Lexmark E120 / 12026XW Drum Lexmark E120 / 12036SE Lexmark E240 / E24016SE Lexmark E240 / E24036SE Lexmark E250 / E250A11E Lexmark E250 / E250A21E Lexmark E250 / E250X22G Drum Lexmark E260 / E260A11E Lexmark E260 / E260A21E Lexmark E260 / E260X22G Drum Lexmark E320/E322 / 08A0475 Lexmark E320/E322 8A0476 Lexmark E321 / 12A7300 Lexmark E321 / 12A7300 Lexmark E322 / 08A0477 Lexmark E322 / 08A0478 Lexmark E340 / E34016HE Lexmark E340 / E34036HE Lexmark E340 / E340A11G Lexmark E340 / E340A21G Lexmark E352 / E352H11E Lexmark E352 / E352H31E Lexmark E360 / E360H11E Lexmark E360 / E360H21E Lexmark E450 / E450A11E Lexmark E450 / E450A21E Lexmark E450 / E450H11E Lexmark E450 / E450H21E Lexmark E460 / E460X11E Lexmark E460 / E460X21E Lexmark Optra S / 12A0150 Hi Cap Lexmark Optra S / 1382620 Lexmark Optra S / 1382625 Lexmark Optra S / 1382920 Lexmark Optra S / 1382925 Lexmark Optra SE / 12A0725

Lexmark Colors Laser

Lexmark X654 / X654X11E Lexmark X654 / X654X21E X8302KH X850H21G X850H22G
Lexmark C1200 Lexmark C1200 Lexmark C1200 Lexmark C1200 Lexmark C510/C510N Black Lexmark C510/C510N Colour Lexmark C510/C510N Colour Lexmark C510/C510N Colour Lexmark C510/C510N Black Hi Cap Lexmark C510/C510N Colour Hi Cap Lexmark C510/C510N Colour Hi Cap Lexmark C510/C510N Colour Hi Cap Lexmark C720 Lexmark C720 Lexmark C720 Lexmark C720 Lexmark C500H2CG Hi Cap Lexmark C500H2KG Hi Cap Lexmark C500H2MG Hi Cap Lexmark C500H2YG Hi Cap Lexmark C500S2CG Std Cap Lexmark C500S2KG Std Cap Lexmark C500S2MG Std Cap Lexmark C500S2YG Std Cap Lexmark C5220CS Std Cap Lexmark C5220KS Std Cap Lexmark C5220MS Std Cap Lexmark C5220YS Std Cap Lexmark C5222CS Std Cap Lexmark C5222KS Std Cap Lexmark C5222MS Std Cap
C1200 / 12A1451 C1200 / 12A1452 C1200 / 12A1453 C1200 / 12A1454 C510 / 20K0500 C510 / 20K0501 C510 / 20K0502 C510 / 20K0503 C510 / 20K1400 Hi Cap C510 / 20K1401 Hi Cap C510 / 20K1402 Hi Cap C510 / 20K1403 Hi Cap C720 / 15W0900 C720 / 15W0901 C720 / 15W0902 C720 / 15W0903 Lexmark C500H2CG Hi Cap Lexmark C500H2KG Hi Cap Lexmark C500H2MG Hi Cap Lexmark C500H2YG Hi Cap Lexmark C500S2CG Std Cap Lexmark C500S2KG Std Cap Lexmark C500S2MG Std Cap Lexmark C500S2YG Std Cap Lexmark C5220CS Std Cap Lexmark C5220KS Std Cap Lexmark C5220MS Std Cap Lexmark C5220YS Std Cap Lexmark C5222CS Std Cap Lexmark C5222KS Std Cap Lexmark C5222MS Std Cap
Important Prices shown are valid provided 30 or more items of value are returned per collection or 20 or more items per Courier Bag or 85 cartridges or more per Pallet or 100 per Cage or 3 inkjets per Freepost Bag Lexmark C5222YS Std Cap Lexmark C5222YS Std Cap
Lexmark C5240CH Hi Cap Lexmark C5240KH Hi Cap Lexmark C5240YH Hi Cap Lexmark C5242CH Hi Cap Lexmark C5242CH Hi Cap Lexmark C5242KH Hi Cap Lexmark C5242MH Hi Cap Lexmark C5242YH Hi Cap Lexmark C734A1CG Std Cap Lexmark C734A1KG Hi Cap Lexmark C734A1MG Std Cap Lexmark C734A1YG Std Cap Lexmark C752 / 15G041C LOW CAP C Lexmark C752 / 15G041K LOW CAP B Lexmark C752 / 15G041M LOW CAP M Lexmark C752 / 15G041Y LOW CAP Y Lexmark C752 / 15G042C HI CAP C Lexmark C752 / 15G042K HI CAP B Lexmark C752 / 15G042M HI CAP M Lexmark C752 / 15G042Y HI CAP Y Lexmark C7700CS Std Cap Lexmark C7700KS Std Cap Lexmark C7700MS Std Cap Lexmark C7700YS Std Cap Lexmark C7720CX Hi Cap Lexmark C7720KX Hi Cap Lexmark C7720MKX Hi Cap Lexmark C7720YX Hi Cap Lexmark C780 / C780A1CG LOW CAP C Lexmark C780 / C780A1KG LOW CAP B Lexmark C780 / C780A1MG LOW CAP M Lexmark C780 / C780A1YG LOW CAP Y Lexmark C780 / C780H1CG HI CAP C Lexmark C780 / C780H1KG HI CAP B Lexmark C780 / C780H1MG HI CAP M Lexmark C780 / C780H1YG HI CAP Y Lexmark C910 / 12N0768 C Lexmark C910 / 12N0769 M

Important Prices shown are valid provided 30 or more items of value are returned per collection or 20 or more items per Courier Bag or 85 cartridges or more per Pallet or 100 per Cage or 3 inkjets per Freepost Bag Lexmark C910 / 12N0770 Y Lexmark C910 / 12N0770 Y
0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
Lexmark C910 / 12N0771 B Lexmark C920 / C9202CH C Lexmark C920 / C9202KH B Lexmark C920 / C9202MH M Lexmark C920 / C9202YH Y Lexmark SC 1275 Lexmark SC 1275 Lexmark SC 1275 Lexmark SC 1275

OKI Laser

Lexmark C910 / 12N0771 B Lexmark C920 / C9202CH C Lexmark C920 / C9202KH B Lexmark C920 / C9202MH M Lexmark C920 / C9202YH Y SC 1275 / 1361751 SC 1275 / 1361752 SC 1275 / 1361753 SC 1275 / 1361754
OKI B4200 OKI Page 400e/410ex/600ex/800e Drum Unit OKI Type 7000 Series Black OKI Type 9000 Series Black OKI Type 9000 Series colours OKI Type CSeries Drums OKI Type C5600/5700/5800 OKI Type C6 51/52/53/5400 OKI Type C6 51/52/53/5400

Panasonic Laser

OKI B4200 NOT INTRO OKI Page 400e/410ex/600ex/800e Drum Unit OKI Type 7000 Series Black NOT INTRO OKI Type 9000 Series Black NOT INTRO OKI Type 9000 Series NOT INTRO OKI Type CSeries Drums OKI Type C5600/5700/5800 NOT INTRO OKI Type C6 51/52/53/5400 NOT INTRO OKI Type C6 51/52/53/5400 NOT INTRO
Panafax UF745 / LS5 Panafax UF744 / UF788 Panafax UF550 / UF560 / UF770 / UF880 / UF885 Panafax UF585 / UF595

PB Laser

UG3204 UG3309 UG3313 UG3350
Pitney Bowes 9700 Pitney Bowes 9800 Pitney Bowes 9900

QMS Laser

QMS Magicolour 2300 (Black) ** (WITHOUT Plastic cover) QMS Magicolour 2300 (Black) ** (Must have Plastic cover) QMS Magicolour 2300 (Colour) ** (WITHOUT Plastic cover) QMS Magicolour 2300 (Colour) ** (Must have Plastic cover)
1710517-005 1710517-005 1710517-006 / 007 / 008 1710517-006 / 007 / 008
Important Prices shown are valid provided 30 or more items of value are returned per collection or 20 or more items per Courier Bag or 85 cartridges or more per Pallet or 100 per Cage or 3 inkjets per Freepost Bag QMS Magicolour 2400 (Black) (Must have Plastic cover) 1710587-004
QMS Magicolour 2400 (Black) (WITHOUT Plastic cover) QMS Magicolour 2400 (Colour) ** (Must have Plastic cover) QMS Magicolour 2400 (Colour) ** (WITHOUT Plastic cover)

Ricoh Laser

1710587-004 1710587-005 / 001 1710587-007 / 003