Maintenance Resets in HP LaserJets
Contents
1. i e the menus are arranged in a multi level tree structure so finding the resets is a bit trickier The best way to navigate the menus is to go into the Information Menu this is always at the top level and print a menu map which will show you the entire tree But in most cases you can find the resets by selecting Configure Device at the top level of the tree Under that go to Resets and then Reset Supplies Again there will be separate resets for fuser and trans fer kits Just choose the appropriate one If the reset as described above does not take or if you can not find it in the menus you still have the op tion of going into service mode see sidebar and di rectly setting the count s to zero just as in the mono chrome models The only difference is that there will be separate counts for fuser and transfer kits and in a few cases the count will appear as remaining life in this case set it to 100 for 100 rather than zero If it is expressed as a count set it to zero Dennis Kosterman LPT Tech Support Manager HP Service PIN Codes Printer Model LJ 2300 LJ 2410 LJ 2420 LJ 2430 CLJ 3000 CLJ 3500 CLJ 3550 CLJ 3600 CLJ 3700 CLJ 3800 LJ 4100 MFP LJ 4101 MFP LJ 4200 LJ 4240 LJ 4250 LJ 4300 LJ 4345 MFP LJ 4350 CLJ 4600 CLJ 4610 CLJ 4650 CLJ 4700 CLJ 4730 MFP LJ 5200 CLJ 5500 CLJ 3990 LJ 9000 LJ 9000 MFP LJ 9050 CLJ 9500 PIN Code 11230002 1024102. is greater than 200 000 5Si This is similar to the IIISi but with one additional step Set the main tenance count to zero be sure to Select each digit then adjust it to be equal to or greater than the result of the subtraction performed earlier Press Enter to save this adjustment and then On Line or Continue to exit service mode Now print a regular self test or any other kind of print job Immediately after it prints the User Maintenance message should appear on the display Now you can use the normal procedure described earlier to turn off the message and reset the count Some Early HP LaserJet Control Panels Left 4Si Right 5Si LIBERTY PARTS TEAM INC PRINTER PARTS REFURBISHED PRINTERS TECH SUPPORT 3517 W BELTLINE HWY MADISON WI 53713 TOLL FREE 888 444 8778 LOCAL 608 268 7600 FAX 608 268 7619 WWW LBRTY COM Pils LIBERTY PARTS TEAM Note On some older 4Si printers with page counts of 1 3 million or greater these procedures will not work even after you turn off the message in the Configuration Menu it will return as soon as you print anything Again we will not attempt to explain this we will simply give the solution which is to go into service mode and reduce the page count to something well below 1 3 million this is the one exception to the ad vice given earlier about not changing page counts Once you have done that print the service mode self test as
3. on older models like the 4200 and 4300 or b Power on first watch the display and when it starts the memory count then press and hold the Select key this tends to be used on newer models like the 4250 and 4350 If in doubt try it both ways one or the other will work on any monochrome printer with this type of control panel In either case continue holding the Select key un til all control panel lights blink once and then come back on and stay on this should take about 10 seconds and then release the key The display should come up reading Select Language Now use the up or down ar row key to scroll the display until it reads New Maintenance Kit and TiStsin TS Control Panel Types Top LaserJet 2100 Type 1 Middle CLU 4500 Type 2 Bottom LJ 4200 Type 3 then press the Select key In theory these procedures should both clear the maintenance mes sage if it has appeared on the display and reset the maintenance count whether or not the message has appeared yet However we have seen cases where these procedures do not work especially when done prema turely before the maintenance message appears If in doubt print the configuration page and check Pages Since Last Maintenance If this has not gone to zero you will have to go into service mode see sidebar and directly reset the maintenance count Note that some printers will show both Maintenance Count and Mai
4. self test print in fact in this menu it will always show as zero Using the key adjust it to be equal to or greater than the result of the subtraction performed earlier Press Enter to save this adjustment and then On Line or Continue to exit service mode Now print a regular self test or any other kind of print job Immediately after it prints the User Maintenance message should ap pear on the display Now you can use the normal procedure described earlier to turn off the message and reset the count Note On some older 4Si printers with page counts of 1 3 million or great er these procedures will not work even after you turn off the message in the Configuration Menu it will return as soon as you print anything Again we will not attempt to explain this we will simply give the solution which is to go into service mode and reduce the page count to something well below 1 3 million this is the one exception to the advice given earlier about not chang ing page counts Once you have done that print the service mode self test as described above In this case only Maint may or may not be higher than Pages If Pages is higher just go into the Configuration Menu and turn off the message as described earlier If Maint is higher follow the procedure in the previous paragraph note that you may have to do it more than once if the difference between Maint and Pages
5. 04 10242004 10243004 11300005 10350003 10350003 11360005 10370003 11380005 04410002 04410002 11420002 04424005 09425004 11430002 11434504 09435004 04460002 05465004 05465004 09470005 09473005 05520006 04550002 09555004 00900001 00900001 09905004 04950003 LIBERTY PARTS TEAM INC PRINTER PARTS REFURBISHED PRINTERS TECH SUPPORT 3517 W BELTLINE HWY MADISON WI 53713 TOLL FREE 888 444 8778 LOCAL 608 268 7600 FAX 608 268 7619 WWW LBRTY COM
6. Pils LIBERTY PARTS TEAM TiStoin TUS Maintenance Resets in HP LaserJets Laser printers are remarkably durable With proper care and maintenance most of them will continue to work for many years But there are parts that require periodic replacement Most obvious of these is the toner cartridge but this is considered a consumable item like paper rather than a part and it is usually replaced by the end user Parts that need to be replaced by a technician are considered maintenance items and these are usually conveniently pack aged by the printer manufacturer or by printer service companies like Liberty Parts Team as a maintenance kit Typically kits include the fuser transfer roller and the major paper moving rollers In most printers maintenance items are rated to last for a certain number of printed pages after which replacement is recommended This maintenance interval differs from one printer model to the next For any given printer you can usually find the nominal maintenance interval listed in the service manual However for early models like the HP LaserJet Series II and III or low level models without LED LCD displays like the 5L and 6L the service manual is the only place you will find this information On these models it is up to the end user or technician to keep track of page counts and usage and deter mine when it is time for a maintenance kit because the printer will give no indication On later print
7. described above In this case only Maint may or may not be higher than Pages If Pages is higher just go into the Configuration Menu and turn off the message as described earlier If Maint is higher follow the procedure in the previous paragraph note that you may have to do it more than once if the difference between Maint and Pages is greater than 200 000 5Si This is similar to the HISi but with one additional step Set the maintenance count to zero be sure to Select each digit then press Menus followed by On Line to exit service mode Now print a self test or any other kind of print job Immediately after it prints the User Maintenance message should appear on the display Now you can use the normal procedure described earlier to turn off the message and reset the count HP Later Monochrome Printers All HP monochrome laser printers since the 5Si have had 4 digit model numbers e g 2100 4000 8150 etc These printers have three general types of control panels each with its own characteristic methods of performing resets and other procedures 1 No LED LCD display just buttons and lights none of these mod els have maintenance counts or resets so we will not discuss them here 2 LCD display with several lights and buttons including a green Go key and an orange Job Cancel key 3 LCD display with several lights and buttons including a gr
8. e items had first time use fuses so that the printer would recognize new items and automatically reset the counters On newer models only toner car tridges and drums work this way although the fuses have given way to memory chips and you often have to cycle the power before the printer will read the chip and recognize the new cartridge or drum For other maintenance items typically a fuser kit and a transfer kit you will have to do something to reset the main tenance count s As with the monochrome printers in most cases there is a simple way Details vary on different printer models but we can split the procedures into two groups based on control panel type just as we did earlier for monochrome printers in fact the control panels are the same types as described earlier Control panel type 2 These printers have only TiStsin TS one level of menus and you can scroll through them by repeatedly pressing either side of the Menu key Look for the Resets menu and then use the Item key to scroll through this menu Ideally you should find fuser and transfer resets and all you need to do is select the appropriate one However on some printers the reset s will not show in the menu if you install the kit s early ie before the maintenance message appears on the display In this case you will have to go into service mode Control panel type 3 Most of these printers have hierarchical menus
9. e kit is installed early before the User Mainte nance message appears there will be nothing in the Configuration Menu to turn off You will have to go into service mode see sidebar and then into the service menu and directly manipulate the maintenance count Do not confuse this with the page count In most cases there is one exception which will be discussed below it is neither necessary nor desirable to change the page count Change the maintenance count only Details vary depending on the printer model HISi This is the simplest of the three just set the maintenance count to zero using the key press Enter to save the setting and then press On Line or Continue to exit service mode 4Si This is the most complicated of the three To avoid confusion we will simply give the procedure without attempting to explain the reasoning behind it First print a self test from service mode This will be similar to the regular self test except that it will show the service menu in addition to the other menus In the service menu you will see two counts Pages the printer s total page count and Maint the maintenance count Maint will always be high er than Pages except in one case see Note below Subtract Pages from Maint and note the result Now go into the service menu and find Maint Note that this is not the same Maint count that appeared on the
10. een key with a J symbol on it we will call this the Select key since that is its function Many of these printers have a service message or maintenance message that can be turned off in the menus but this is not a reliable procedure on any printer after the 5Si It usually does not reset the maintenance count and only turns the message off temporarily This can be useful if you do not have a kit handy and just want to turn off the message until you can get one but if you are installing a kit and want to do a full reset do not use this method There are better ways which will be discussed below Whichever method you use we recommend that you print a configura tion page and check the Pages Since Last Maintenance If the reset was successful this should go to zero We will discuss the simple methods first the ones that do not involve going into service mode There are two basic methods corresponding to control panel types 2 and 3 as described above Control panel type 2 Start with the printer powered off Press and hold the left side of both the Item and Value keys while powering on until the display reads Reset Maintenance Count on some models it will just read Count then release the keys Control panel type 3 There are two different ways to start this pro cedure depending on printer model a Press and hold the Select key while powering on this tends to be used
11. er models the maintenance interval is programmed into the printer and when it has printed the rated number of pages a message will ap pear on the display informing you that maintenance is required In a few rare cases the printer will automatically reset itself when the maintenance item is replaced but most of the time you will have to perform a procedure to reset the maintenance count and clear the message Specific procedures vary on dif ferent printer models and remembering them all is difficult In fact one of the most common tech support calls is How do I reset the maintenance count on my printer This article will attempt to answer that question as comprehen sively as possible with specific procedures for most common models of HP laser printers HP Early Monochrome Printers TISi 4Si 5Si Of the first generation of HP monochrome laser printers those with Roman numeral or single digit model numbers these are the only ones that had maintenance counts or maintenance resets In the ideal case where you wait until the printer s display indicates Perform User Mainte nance the reset procedure is simple and identical for all three printer models go into the Configuration Menu find the item Service Message On use the key to change it to Off and then press Enter or Select to put an asterisk after it This turns the message off and resets the maintenance count However if the maintenanc
12. ntenance Interval In general you do not want to change the maintenance interval and you should definitely never set it to zero in some cases this can cause a permanent 49 error and necessitate replacement of the formatter board To set the maintenance count to zero note that on most printers the count will appear with a cursor under one digit Use the Value or arrow keys to change the underlined digit to zero then Enter or Select LIBERTY PARTS TEAM INC PRINTER PARTS REFURBISHED PRINTERS TECH SUPPORT 3517 W BELTLINE HWY MADISON WI 53713 TOLL FREE 888 444 8778 LOCAL 608 268 7600 FAX 608 268 7619 WWW LBRTY COM Pils LIBERTY PARTS TEAM to set that digit and move to the next one Make sure to select each digit even the ones that are already zero some printers will not actually reset the count until each digit has been selected If performed correctly this procedure always works it will either reset the count directly or it will force the maintenance message to ap pear in which case you can use the simpler methods described earlier HP Color Printers Color printers are inherently more complex than monochrome printers and thus have more items that require regular replacement and different mainte nance intervals for the different items So they gen erally have multiple kits and resets On the original Color LaserJet and Color LaserJet 5 most of the main tenanc
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