hp Mono/Color LJ News No. 3
Contents
1. June 1999 Issue No 3 UK Tech Support Hardcopy Products Keith Scoons Hubert Villiers Bob Edwards Steve Oakes Gary McGaw Hardware Support for Printers MonoMax Confidentiality Please note the information in this newsletter is for HP authorised service agents only It is not intended for customer distribution Mono LaserJet No 3 June 1999 Previous Issues No 2 November 1998 No l June 1998 amp INDEX 3 One Liners 5 New Product LaserJet 2100 6 LaserJet 2100 Flashing Attention Light 7 New Product LaserJet 4050A 8 New Stackers for the LaserJet 8000 8100 9 Print Quality Terminology for the LJ5Si 8000 8 100 10 HCI Happy to print 2xA4 instead of A3 11 LaserJet 8100 Service Manual Corrections 12 LaserJet 8100 Service Notes 13 LaserJet 8000 Service Notes 14 LaserJet 4000 5000 firmware 15 Product Line Product Number Matrix One Liners af LaserJet 6P Jamming from the paper tray The DC Controller Formatter and Pick Up assemblies had all been changed some more than once Paper would feed from Tray 1 but jam every time feeding from Tray 2 The fix The Input Paper Sensor PS1 flag was missing apparently left out during one of the first visits This makes the printer think there is paper in tray 1 Note this information was provided by an agent thanks to Stuart Pearce and has not been verified J am not sure a missing flag would actually print successfully from tray 1 although it is possible a2. SMP C3155A LaserJet 5L C3941 A LaserJet 4P C2005A LaserJet 4MP C2040A LaserJet 4L C2003A LaserJet 4ML C2015A Paper Handling Solutions Div Paper Handling Solutions Div Product Line D2 3000sh Stapler C4779A 3000sh Stapler Stacker C4788A 2000sh HCI C4781A Mult I P Tray MIT C4780A 7 Bin Tabletop MBX C4783A Stand for above C4784A 8 Bin Mailbox C4785A 5 Bin MBX w Stapler C4787A 100 Envelope Feeder C3765B Duplex Assembly C4782A 5Si HCI C3763A 5Si 8 Bin Mailbox C3764A 5Si 5 B MBX w stapler C3774A 5Si Envelope Feeder C3765A 5Si Duplex Assy C3762A Workgroup LaserJet Division Mid Range Monochrome Product Line 57 LaserJet 4050 C4251 A LaserJet 4050T C4252A LaserJet 4050N C4253A LaserJet 4050TN C4254A LaserJet 4000 C4118A LaserJet 4000T C4119A LaserJet 4000N C4120A LaserJet 4000TN C4121A LaserJet 5000 C4110A LaserJet 5000G C4111A LaserJet SOOOGN C4112A LaserJet 5 C3916A LaserJet 5M C3917A LaserJet 5N C3952A LaserJet 4 C2037A LaserJet 4M C2039A LaserJet 4 C2001A LaserJet 4M C2021A LaserJet 4V C3141A LaserJet 4MV C3142A Mopy Copy Solutions Div Digital Office Solutions Product Line 7N LaserJet Mopier 320 C4229A Digital Copy 320 C4230A Mopier 320 Bundle C4246A Mopier320 Digital Copy320 LaserJet Mopier 240 C4228A LaserJet 5Si Mopier Products C4076A C4077A C4176A Departmental LaserJet Div High End Monoch
3. damaged flag could cause the effect described LaserJet 4050 in diagnostic mode Some Formatters were built with the Factory Diagnostic mode on If one is put into a printer it will show a different menu than the regular mode To turn off the Diagnostic mode perform a COLD RESET i e Hold down GO while powering on the printer LaserJet 4050 Slow Duplexing In cases where a customer is complaining of slow duplexing there is a firmware upgrade DIMM Rev 6 28 C4251 67901 Customers should perform LJ4000 5000 4050 user Maintenance The problem is it is not abundantly clear in the LJ4000 5000 User Guides that it is the job of the customer Unfortunately the maintenance message which comes up after 200K images PERFORM PRINTER MAINTENANCE doesn t have the word user which might have helped The LaserJet 4050 User Guide has made the situation less ambiguous by stating The printer maintenance kit is a consumable and is not covered under warranty No Maintenance Message on 5Si If you have a LaserJet 5Si in which the message PERFORM USER MAINTENANCE never appears and on the Config Page the Pages Since Last Maintenance Large number i e much greater than the 350K images for the standard maintenance interval check the front panel and make sure there is no soft error being displayed If a paper tray is always left empty for instance the 2000sh High Capaity Input so that TRAY 4 EMPTY is constantly being displayed this will
4. for Tabletop MBX Diagnostics Same as C4214A 03 above C4085A 05 2000sh HCI jams at the VTU Error 13 11 11 Same as C4214A 02 above C4085A 04 2x500sh HCI jams at the VTU Error 13 11 11 Same as C4214A 01 above C4085A 03 12 May 99 Firmware Upgrade to version 4 48 DIMM p n C4085 60005 New version 4 48 firmware available Fixes included in the new 4 48 version of firmware are Various issues that caused slow printing with PS PS Processing Job Hang Messages displayed in several languages are incorrect Various 79 Service errors Support for additional paper handling devices Fixes included in the 4 29 version of firmware are PS 79 Service Error A Postscript error page is printed if the envelope feeder is not present An uninitialised envelope feeder variable in Postscript 2 emulation causes this PS Slow printing Excess cntl Ds cause 1 2 engine speed on multiple one page output In effect there is a 1 second delay between single page output jobs Fixes included in the 4 28 version of firmware are PS Linefeed This corrects the control T problem w Dec Machines Envelope orientation Mapping orientation to hard plastic image on tray Font deletion in Macros Correcting a font macro interaction Max maintenance interval changes Corrects and mismatch on cold reset and maintenance value Parity error handling in PH devices Corrects parity error condition with Clink devices 56 1 envelope feeder error Co
5. 79A 3000 sheet stacker with the addition of a stapling feature The stapler can handle up to 50 sheets of 80gsm paper using the following staple formats a One angled b One two three or six staples c Custom up to 7 staples using JetAdmin Support Strategy The C4779A Stacker is supported on all LJ8000 and LJ8100 rev 5 33 and greater printers Each C4779A will be shipped with software drivers The C4788A Stapler Stacker is only supported on the following firmware gt LJ8100 Formatter rev 5 44 and higher gt LJ8000 Formatter rev 4 48 and higher Each C4788A will be shipped with software drivers and two firmware kits C4792A Upgrade kit for the LJ8100 containing 5 44 firmware C4794A Upgrade kit for the LJ8000 containing 4 48 firmware Note the above kits ARE NOT available on CPL Training Because of similarities to the 2000sh mailbox anyone trained on the LaserJet 5Si 8000 8100 products will be able to service these Agents will be informed through this newsletter Training will be included in future LaserJet 8100 printer training Inventory This unit will NOT have an exchange part number Repair is by modular replacement Flipper Assembly C4788 60501 Common Power Supply internal C4788 60511 Common Offset Module Assembly C4779 60501 C4779A Stacker only Stacker Controller PCA C4779 60504 C4779A Stacker only Stapler Controller PCA C4788 60509 C4788A Stapler Stacker only Accumulator Assembly C4788 60502 C4788A
6. A FIR Fast Infra Red p n C4103 67901 C4135A 4MB EDO DIMM C4140A 4MB SDRAM DIMM C4136A 8MB EDO DIMM C4141A 8MB SDRAM DIMM C4137A 16MB EDO DIMM C4142A 16MB SDRAM DIMM C4143A 32MB SDRAM DIMM C3913A 64MB SDRAM DIMM J3110A JetDirect EIO Card for Ethernet 10Base T J3111A JetDirect EIO Combo Card for Ethernet 10Base T LocalTalk J3112A JetDirect EIO Card for Token Ring J3113A JetDirect EIO Card for 10 100 Base TX Maintenance Kit 220v C4118 67903 exchange 69002 same as LaserJet 4000 Documentation LJ4050 4000 Service Manual Bundle C4251 91003 Service Support CD C425 1 60106 User Manual is only in CD Format C4251 60104 KEKEE KE K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K ok 3000 sheet Stacker and Stapler Stacker for the LaserJet 8000 8100 NEW HP 3000 sheet Stacker C4779A HP 3000 sheet Stapler Stacker C4788A The C4779A is a STACKER ONLY paper handling device i e no mailbox option designed for the LaserJet 8100 and 8000 printers in high volume printing environments The 3000sh stacker stacks up to 3000 sheets of standard 80gsm paper 1500 sheets of A3 has job offset capabilities for easy handling and job separation first page offset for shared environments There is also an additional face up tray which can hold 125 sheets The product was released May 1 1999 initially for LJ8100 customers then t LJ8000 customers from June The C4788A launched June 1 1999 is similar to the C47
7. PS prints PS error Stackunderflow Euro symbol is in the DIMM Printer hangs up after 10 page in CAD file XPS reports undefined result for PS arcto operator PS CAD file performance improved Stretched PS output Revision 3 68 part number of DIMM 5090 3341 Some fixes for 3 65 Slow duplexing PS Control T always busy File handle defect PS downloaded Flintstone font defect PS fonts print too large PS serial number not unique Macro conflict with PCL Font List and Directory internal pages Error 79 Service 2003 defect in French Italian Potential PCL XL page punts 21 PAGE TOO COMPLEX PS defect downloading NT 5 0 TT font outlines PS custom paper duplex defect PCL incompatible overlay macro defect using null pattern fills Memory leak in the PCL Font List Error 79 Service OOFE during graphics engine initialisation Personalities on a DIMM getting the wrong page of global memory Background tasks in masering sending message improperly Revision string Fixes between 3 65 and 3 68 not available 14 Personal LaserJet Division Personal Laser Products Product Line 8A LaserJet 1100 C4224A LaserJet 1100A C4218A 1100 Companion C4221A LaserJet 2100 C4170A LaserJet 2100M C4171A LaserJet 2100TN C4172A LaserJet 3100 C3948A LaserJet 6P C3980A LaserJet 6MP C3982A LaserJet 6L C3990A 4 5 6 Companion C3989A LaserJet 5P C3150A LaserJet
8. Stapler Stacker only Carriage Assembly C4788 60503 C4788A Stapler Stacker only Interlock Switch C4788 60514 Common Safety Switch Assembly C4788 60517 Common Casters Stationary C4788 60515 Common Casters Adjustable C4788 60516 Common Documentation Service Manual Supplement C4788 90904 not yet set up LJ8100 Bundle C4214 99021 includes PH supplement C4788 90904 LJS100 service manual and paper spec guide FES FAS 28 2g E K E K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K ok Print Quality Terminology for the LJ5Si 8000 8100 There are several terms used to describe print quality problems in the fuser area These can be influenced by media environment static application short jobs v large print runs Here are some of the PQ terms Hot Offset The image defect is a lighter version of the printed image that can be seen further along the page toward the trailing edge The distance from the original is equal to the circumference of the hot roller 125mm for the 5Si 8000 and 141mm for the 8100 Electrostatic Offset ESO This image defect is similar in appearance to Hot Offset but only the OUTLINE of the image is present Ghosting This is when an echo of a printed region appears as a lighter or darker copy of the printed region usually in a grey shaded area Fuser contamination clumping This is where clumps of toner media dust Calcium Carbonate or Talc contaminate the upper fuser ro
9. box Diagnostics Conditions Diagnostic instructions on the back cover of the C4783A 7 Bin Tabletop Mailbox are confusing The correct wording at the bottom of the Sensor Test instructions should read To test top cover or right cover switches open one of them while running the motor test the motor test will stop After closing the cover a selftest in the mailbox must be performed and the motor test should continue running i e to test top and or right cover switches the motor test has to be run C4214A 02 25 Nov 98 2000sh HCI paper jams at the vertical transfer unit noisy Error 13 11 11 Conditions Transfer unit clutch was failing prematurely after 200K 300K pages affecting C4781A units JP83H00001 to JP87HO5254 Modified Paper Feed Assy Vertical Transfer Unit RG5 3854 000CN C478 1 695 10 now available C4214A 01 25 Nov 98 2x500sh HCI paper jams at the vertical transfer unit noisy Error 13 11 11 Conditions Transfer unit clutch was failing prematurely after 200K 300K pages affecting C4780A units JP85H00001 to JP87P02345 Modified Paper Feed Assy Vertical Transfer Unit RG5 4403 000CN C4780 69503 now available 12 LaserJet 8000 Service Notes extracts from the web C4085A 09 Squeaking noise from Mailbox Same as C4214A 08 above C4085A 08 P N for the 2000sh HCI top cover is wrong Same as C4214A 07 above C4085A 07 Printer hangs with Initializing displayed Same as C4214A 06 above C4085A 06 Instr changed
10. coming out on A4 media A tray size problem was suspected but a Config Page showed all OK Unfortunately after a second look the Config Page showed gt Tray 2 A4 gt Tray 3 A3 gt Input Trays gt 1 Tray 4 2000 sheets In other words the tray sizes were shown for Trays 2 amp 3 BUT NOT THE HCI another quirk SOLUTION Eventually after several site visits by agents and even the shipment of a loaner engine the problem was discovered A single sheet of the paperpath test was printed and revealed Input Trays Tray 1 UNKNOWN Tray 2 A4 Tray 3 A3 Tray 4 A3 VVVVV In other words Tray 4 which had A4 media loaded was telling the printer it had A3 media What determines A3 or A4 is the LH Guide in the A4 position it depresses a bar and changes the tray select code With the guide out the bar is in the UP position which selects A3 In this case the LH Guide was not fully seated and in a raised position which defaulted to A3 LESSONS TO BE LEARNED 1 Doa paperpath test to see what tray sizes the printer thinks it has loaded Note this works for the 8000 8100 but not the 5Si The Config Page is not enough 2 When the customer says A3 printouts are coming out perfectly on A4 media and not running off one edge don t believe him 3 When the customer says he has swopped all the hardware and it still fails don t believe him since he had not swopped the HCI 4 When the printer prints A4 media without jammi
11. hernet 10 100Base TX RJ45 Documentation LaserJet 2100 Service Manual C4170 90959 LaserJet 2100 Users Guide C4170 90901 FAS FAS 2S 2g E K E K K K FAS K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K ok LaserJet 2100 Flashing Attention Light PROBLEM Flashing Attention Light upper light CAUSE The Engine Controller Board has become bent in shipment Division have addressed this and are improving the packaging The bent board results in the front paper registration sensor coming away from the flag and registering a false condition paper jam Normal cause for Flashing Attention Light door is open cartridge missing paper jam FIX Officially the Engine Controller board needs to be replaced Unofficially the board just needs to be straightened out This can be done by removing the cartridge turning the printer upside down and loosening the Engine Controller mounting screws before applying pressure in the middle of the board The risk in doing this and not replacing the board is that tracks could be cracked when the board is flexed thereby introducing other possibly intermittent problems Hence this is not advised LaserJet 4050 NEW The HP LaserJet 4050 is the replacement product for the HP LaserJet 4000 series and was released mid May 99 It has the following features compared to the LaserJet 4000 gt Faster processor 133MHz v 100MHz gt 1200dpi at engine speed LJ4000 was half engine speed g
12. inhibit the Maintenance message and prevent it being displayed Advise customers not to have TRAY OPEN or TRAY EMPTY messages displayed for long periods i e months on end LaserJet 5Si cannot clear paper jam need to Power Cycle If a LaserJet 5Si with 2000sh High Capacity Input has intermittent jams usually 13 14 which cannot be cleared without powering down the printer check the Transfer Door interlock is working If this sensor PS35 left side of Pick Up Assy is working properly the message INPUT DEVICE PATH OPEN will be displayed when the Transfer Door is opened and in the event of a jam resetting the electronics when the door is closed Sometimes the sensor gets stuck in one position such that the printer thinks the door is always closed see Service Note C3763A 16 for more details LaserJet 8000 Error 55 A This specific problem only occurs with duplex installed There is no problem at all with the duplex removed The failure situation occurs when the printer is initialising after a power cycle when there is a distinctive clunking of the duplex solenoid before Error 55 A is displayed Replacing Formatter DC Controller and Duplex Assemblies do not fix the problem Division are still working on this however there is a common voltage between the fuser and duplex and there has been some success with replacing the fuser assembly Poor fusing on a LJ5Si 8000 8100 Never change a fuser assembly for poor fusing Fusers do not fai
13. l gradually they either fuse or give error 50 In most problems the cause is media related especially if laid paper is being used out of spec on smoothness When a print job is started the 3 first 20 30 pages will be printed slightly hotter than the rest This is normal and in spec media will work fine However where the media is borderline the problem may appear intermittent i e short print jobs are OK whereas long print runs and the problem returns Delivery Assy RG5 1874 110CN crossmember has hole without a thread For the LJ5Si 8000 and 8100 printers the Delivery Assy is being packaged with a crossmember that has a hole that is not threaded In the short term until this is rectified for the 5Si swop over the crossmember from the failing assy For the 8000 8100 the screws are different such that they will self tap the hole Resetting PERFORM PRINTER MAINTENANCE on the LJ8100 It appears after installing the User PM Kit and clearing the maintenance message it is necessary to perform an extra step to reset Pages since last maintenance Here are the two steps needed 1 Turn off PERFORM PRINTER MAINTENANCE message by selecting OFF on the Config Menu under MAINTENANCE MESSAGE OFF 2 Reset the Pages Since Last Maintenance by powering on the printer while holding down ITEM and VALUE keys Error 79 on the LJ8100 Typically Error 79 means the printer encountered a communication error It d
14. ller In some cases they stick to the roller and produce marks on the output repeated at intervals equal to the roller circumference in other cases they drop onto the printed sheet as random clumps which can be picked off with a finger nail HCI Happy to print 2xA4 instead of A3 I would just like to make you aware of a gotcha on the LaserJet 5Si 8000 8100 printers It appears if a 2000sh High Capacity Input is fitted and loaded with A4 paper but with the left plate raised or not installed the printer will think it has A3 installed The gotcha is that if an A3 job is selected it will feed two A4 sheets and not jam The sheets will have print running off one long edge but otherwise will not complain It seems during a paper pick operation the input rollers keep going long enough to feed a second A4 sheet through the printer which must fool the printer into thinking it is feeding an A3 sheet This phenomenon came to light during a call from a customer in London who had a LaserJet 8000 with HCI on a network The printer had A4 loaded in trays 2 4 and A3 loaded in tray 3 Every time an A3 print request was made the output was produced on A4 paper no jams and no clipping since the A3 page was spread across two A4 sheets The customer did not realise it was always the A4 media from Tray 4 nor did he realise the A4 had print going to one edge of the media these would have been clues to help solve the problem He just insisted all his A3 output was
15. ng don t assume it is meant to be printing A4 10 LaserJet 8100 Service Manual Corrections Below is a list of corrections to the LaserJet 8100 Service Manual p n C4214 91000 First Edition October 1998 Please report any other mistakes to Technical Support 1 Page 4 Remove the 1 Note under Tray 1 Note Duplex printing is available feiss x 420mm See page 5 for supported sizes and weights for Duplexer 2 Page 18 Correct part number for Envelope Feeder should be C3765B 3 Page 21 Correct product number for the Hard Disk is C2985B and the exchange p n is C2985 69002 4 Page 484 Remove the sentence under Recommended Action Clean the Fusing Assembly using alcohol This is in error NEVER suggest to a customer to use alcohol to clean anything on in their printer 5 Page 491 Note the Repetitive Defect Ruler is off by 1mm from the Pickup Feed and Separation Roller measurement down to the bottom of page 6 Page 515 Change Item 14 EIO Coverplate part number 5182 5899 to 5021 0349 7 Page 521 Note Item 1 Transfer Roller Assembly Part number RG5 4304 000CN is no longer valid Division are working on a replacement number 8 Page 521 Change Item 2 Transfer Roller p n RF5 2675 000CN to RF9 1394 000CN 9 Page 521 Change Item 12 PIU p n RGS 4434 000CN to RG5S 4334 000CN 11 LaserJet 8100 Service Notes extracts from the web C4214A 08 06 Apr 99 Squeaking noise from Mailbox Conditi
16. oes not necessarily mean a hardware malfunction so it is important to look at the whole picture i e is it file or application specific network related and what is the 4 digit subcode There are currently 3 specific Error 79 messages which division are working on These are 1 79 OOFE with an envelope feeder installed or feeding envelopes The workaround is to turn Manual Feed OFF on the control panel or in the software application 2 79 OOFE with TONER LOW message and Toner Low Stop The workaround here is to set Toner Low Continue or change the toner cartridge the first time the printer encounters a Toner Low message 3 79 OOFE coming out of Power Save The workaround is to set Power Save OFF LaserJet 2100 NEW The not so new now HP LaserJet 2100 was released in January 99 and is the replacement for the LaserJet 6P Print speed has been increased from 8 to 10ppm resolution from 600 to 1200dpi The paperpath uses a centre feed method as opposed to oblique rollers on the 6P Standard interfaces are one B type Centronics parallel port B amp C type on the 6P an Irda Infrared Port same as the 6P plus the addition of an EIO network slot 6P came with LocalTalk port Memory is now DIMM format as opposed to SIMMs on the 6P Also Adobe Postscript SIMM now replaced by HP Postscript emulation DIMM Optional 250 tray 3 now available There are three models as follows C4170A LaserJet 2100 1x100sh tray 1x250
17. ons The new style C4785A 8 Bin Mailbox and C4787A 5 Bin Mailbox with Stapler may begin squeaking from the Flipper Jam Access Door If customers complain of the noise then order and fit a Roller Kit C4785 60526 contains 6 rollers and 6 shafts plus fitting instructions C4214A 07 24 Mar 99 Part number for the 2000sh HCI top cover is wrong Conditions Top cover for the 2000sh High Capacity Input has been incorrectly printed as RGS 2644 000CN item 88 Table 8 10 of LJ8100 Service Manual Correct p n is RF5 2644 000CN C4214A 06 02 Feb 99 Printer hangs with Initializing displayed Conditions 7 bin Tabletop Mailbox firmware 2 8 connected LJ8100 configured in German Spanish Swedish Dutch Finish Turkish Russian and Hungarian Fix New Tabletop MBX firmware of 3 4 on new controller RG1 3853 060CN C4783 695 16 C4214A 05 08 Jan 99 Wrinkling of envelopes Solution Ensure customer aware of media specs as stated in the User Manual and Paper Spec Guide p n 5021 8956 Use face up bin lift up the envelope levers in the fuser assembly C4214A 04 06 Jan 99 High2 and High3 fusing modes will not work Situation The variable fusing modes will not work in High2 and High3 All other settings OK Affects approx 7500 printers with formatter firmware 5 29 Solution Replace firmware ROM DIMM slot 0 of the Formatter with 5 33 p n C4214 60003 or greater C4214A 03 11 Dec 98 Instructions changed for 7 Bin Tabletop Mail
18. rome Product Line 8Z LaserJet 8100 LaserJet 8100N LaserJet 8100DN LaserJet 8000 LaserJet 8000N LaserJet 83000DN LaserJet 5Si LaserJet 5SiMX LaserJet 5SiNX LaserJet 4Si LaserJet 4SiMX C4214A C4215A C4216A C4085A C4086A C4087A C3166A C3167A C3950A C2010A C2011A Workgroup Color Division Mid Range Color Product Line AK Color LJ 4500 Color LJ 4500N Color LJ 4500DN Color LJ 5 Color LJ 5M Color LaserJet C4084A C4089A C4094A C3961A C3962A C3100A Departmental Color Division High End Color Product Line PQ Color LJ 8500 C3983A Color LJ 8500N C3984A Color LJ 8500DN C3985A 15 If you have any solutions to weird faults which could save other engineers valuable time then please send me an e mail keith_scoons hp com to be included in future editions Please state the product description and solution Also if you see any inaccuracies in this document please let me know about it Regards Keith Scoons UK Technical Support June 1999 Consumer amp Commercial Hardcopy Support Divisions 16
19. rrects envelop feeder error with a 13 2 paper jam 66 00 28 stapler errors Corrects exit transition when stapler errors out PS dynamic pattern error Corrects Sideband pattern problems 7900Fe Correcting pointer allocation problems JetSend error while in warming up state Changed warm up errors and offline bit errors with state of the system changes PS tumble command Corrects Level 1 PostScript operator to correct behavior Esc amp l10H behavior default media source Corrects PCL EscH behavior to PCL Specification Marriott lost font Corrects font reset C4085A 02 14 Oct 98 2000sh HCI clutch cover breaks on early C4781A units P N RB2 2509 000CN Conditions Input Device Feed Path Open is displayed with transfer door of HCI closed This is due to vertical transfer unit VTU clutch cover being broken and affecting the flag that actuates VTU Closed Sensor PS35 Packaging material was improved to prevent the cover breaking C4085A 01 08 Aug 98 57 x Error Codes not documented in the LJ8000 Service Manual 57 2 Fan Failure Formatter Fan 57 3 Fan Failure Low voltage power supply 57 5 Fan Failure Laser Scanner 57 6 Fan Failure Delivery Assembly 13 LaserJet 4000 5000 firmware Latest revision 3 71 part number of DIMM 5090 3385 Some fixes for 3 71 Characters print outlines rather than filled in MAC environment XPS generates typecheck error when using PS setscreen command X
20. sh tray 4MB Memory C4171A LaserJet 2100M Same as the 2100 with SMB Memory plus Postscript C4172A LaserJet 2100TN Same as 2100M plus 250sh optional tray 3 plus J3110A JetDirect Card Support Strategy The Standard Warranty is 4F 1 year return to HP Bench Customers who purchase a SupportPack will have a Next day onsite repair Training Training is in the form of self paced CDROM course number C4170 60129 This training will also be available on the reseller web sites Inventory Formatter PCA C4132 60001 Engine Controller PCA RG5 4150 000CN Laser Scanner Assy RG5 4172 000CN Fusing Assy RG5 4133 000CN Main Motor RH7 1380 000CN Face Down Upper Roller RF5 2604 000CN Transfer Roller RG5 4130 000CN Face Down Lower Roller RB2 2849 000CN Separation Pad RB2 2835 000CN Printer Drive Assy RGS5 4131 000CN Paper Cassette RG5 4138 000CN Paper Pickup Assy RG5 4127 000CN Registration Assy RG5 4129 000CN Fan RH7 1382 000CN Accessories and Consumables C4096A Toner Cartridge C3098A HP PS DIMM C4793A Optional Lower Cassette 250 Sheet C4135A 4MB Memory DIMM C4135A 8MB Memory DIMM C4135A 16MB Memory DIMM C2950A 2 Meter A B IEEE1284 Parallel Cable C2951A 3 Meter A B IEEE1284 Parallel Cable 92215N LocalTalk Network Kit for Macintosh 92215S LocalTalk Serial Cable for Macintosh JetDirect 600N EIO PrintServers J3110A Ethernet 10Base T J3111A Ethernet 10Base T 10Base 2LocalTalk J3112A TokenRing RJ 45 and DB9 J3113A Fast Et
21. t Toner Gas Gauge on the Configuration Page gt Fast Infra Red FIR on N and TN models These features come from a new Formatter Board which is the essential difference between the 4050 and 4000 The paperpath for the 4050 is the same as its predecessor The 4050 has hooks at the back of the trays to prevent over filling i e broken couplers There are four models C4251A LaserJet 4050 1x500sh tray supporting A4 Letter Le gal C4252A LaserJet 4050T 2x250sh trays supporting A4 Letter Le gal A5 B5 Exec C4253A LaserJet 4050N same as LJ4050 plus 10 100 Combo Card SMB SDRAM FIR Receiver C4254A LaserJet 4050TN same as LJ4050T plus 10 100 Combo Card 8MB SDRAM FIR Receiver Training Hardware training manual kit C4251 67902 LaserJet 4000 PAL Video only C4118 67904 Since the product is similar to the LaserJet 4000 there will be no specific hardware training of this product All LJ4000 trained engineers will be able to fix the product Inventory Most parts similar to the LJ 4000 The main difference is the Formatter Board p n C4251 69001 Accessories Consumables C4127J 10K Toner Cartridge C4127A 6K Toner Cartridge C4122A Envelope Feeder p n C4122 69001 C4123A Duplexor p n C4123 69001 C4124A Optional Lower Cassette C3122A 500sh Replacement Tray 3 sizes Letter Legal A4 C4125A 500sh Replacement Universal Tray C4126A 250sh Replacement Universal Tray C2985B EIO Hard Disk Drive p n C2985 69002 C4103
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