HP 4MV User's Manual
Contents
1. 800 551 1943 HP LaserJet 4V 4MV Series Maintenance Kit Instructions Page 1 LJ 4V 4MV Series Maintenance Kit 1 HP RG5 1557 Fusing Assembly 1 HP RF5 0302 Separation Pad 1 HP RB1 1411 MP Pickup Roller 1 HP RG5 1410 Transfer Roller 2 HP RB1 1386 Dual Pickup Roller Please Note Turn the printer off unplug it and allow it to sit for 30 minutes before performing these maintenance procedures This printer maintenance kit provides you with the parts most commonly used to rebuild HP LaserJet 4V 4MV printers Using the HP LaserJet Printer Maintenance Kit helps you eliminate repeat service calls and maximize the paper feed and print quality performance of your laser printer Recommended Maintenance Level The parts included in this kit have a variable service life that is highly dependent upon printer applications operating environment user maintenance and the print media used Any printer servicing should include inspection of the components particularly in the presence of error messages and or image defects Caution Please be sure to refer to your printer service manual for detailed instructions on how to remove and replace these printer parts Fusing assembly removal and replacement so The Fusing assembly is located on the upper portion of the printer door 1 Remove the Transfer Roller Handle the Transfer Roller from the ends only Do not touch the surface of the Transfer Roller Skin oils will affect its electr2. cover 1 The Cassette Pickup Roller assembly is located under the Cartridge Guide The removal of this assembly requires prior removal of the top and right side covers and will require a stubby Phillips screwdriver a Remove Paper Cassette and Cartridge Guide The Cartridge Guide is located directly under the toner cartridge and behind the Registration Rollers Note that the removal of this guide does not require prior removal of the Upper Cover or any upper area assemblies a Using a stubby Phillips screwdriver remove the two self tapping screws callout 6 b Lift the front N of the Jeli aes and slide it forward out of the printer Note that the plate fits tightly within the opening A pam e a ey E e y E e E m a 23 GIT b From the right side of the printer remove the Pee clutch alignment guide callouts 7 amp 8 Unplug and free the clutch cable c Remove two small diameter machine screws callout 10 d Tilt the roller shaft Hpwara from the left end and lift out being careful not to damage the cable m E ajj TY esotcertesee mae p A printer 800 551 1943 HP LaserJet 4V 4MV Series Maintenance Kit Instructions Page 4 Cassette Pickup Roller Assembly To Reinstall e Thread the Pickup Roller Clutch Cable underneath the MP Drive Gears on the right end while sliding the shaft into position CAUTION The next step is very important If the clutch is not aligned properl
3. ical characteristics resulting in poor image transfer a Grasp the shaft on either end of the Transfer Roller and lift upward to snap out of the plastic retainer clip callout 1 b Lift the opposite end up and out of its retainer clip z j we p gt em e i iina O S ACCAC CLCC e Lit S TITIA HP LaserJet 4V 4MV Series Maintenance Kit Instructions Page 2 To Reinstall Be sure that the non gear end of the shaft is to the right Also make sure that the alignment slot plastic tab on the underneath side of the Transfer Roller slips over the locator pin callout 2 CAUTION Do not remove two screws indicated in by the null symbol 2 Remove five machine shoulder screws callout 3 a Pull outward on the edges of the Front Door assembly to release the shaft callout 4 b Lift the Fusing assembly up and out r To Reinstall CAUTION Make sure that the Protection Plate callout 5 is in place or damage to the toner cartridge drum will occur Cassette Pick Roller Removal 1 Remove top cover a Open front door b Remove two screws from right and left side of cover c Lift front of cover up slightly and push to the back until cover releases d Disconnect display cable and remove cover printer ETS 800 551 1943 HP LaserJet 4V 4MV Series Maintenance Kit Instructions Page 3 2 Remove right side cover a Release one tab towards top of cover and remove
4. y Paper will not feed f Be certain to align the alignment tabs with the notch on both the registration roller clutch and the pickup roller clutch g Align the plastic bearing retainers on each end of the shaft so the flat portion is facing upward in proper position for the mounting screws MP Pickup Roller Removal a Pinch clip on left side of roller and slide to the left to remove Separation Pad Removal b Use a small flat blade screwdriver to pry firmly upward at either end of the separation pad e i
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