HP LaserJet 4200/4300 Service Manual-ENWW
Contents
1. Fuser WARNING The fuser is very hot After turning the printer power off allow the fuser to cool for at least 30 minutes before removing it 1 Remove the rear output bin See Rear output bin on page 155 2 Squeeze the blue fuser release tabs callout 1 war air d e ies ee peren Figure 100 Fuser 1 of 2 3 Pull the fuser straight back and out of the printer CAUTION Do not drop or jar the fuser It can easily be damaged if it is mishandled Figure 101 Fuser 2 of 2 Hint When you replace the fuser make sure that it is fully seated into the printer You should hear both sides snap into place 162 Removing and replacing parts Q2431 90912 www GovTechMedia com Tray 1 Pickup Roller Figure 6 24 Removing the Pickup Roller shown with Envelope Entrance Cover removed 1 Open Tray 1 The Tray 1 Pickup Roller is in the center of the Tray 1 Pickup Assembly 2 Grasp the Envelope Entrance Cover and pull it straight away from the printer Pry open the blue latch on the roller Lift the roller out Hint To replace the roller make sure the pin in the roller lines up with the hole in the shaft Removing Assemblies 6 27 www GovTechMedia com Figure 6 25 Detail of the Tray 1 Pickup Roller 6 28 Removing and Replacing Parts www GovTechMedia com Separation Rollers Figure 6 46 Removing the Separation Rollers The Separation Rollers are inside the paper trays 1 Release the la2. tch and lift the cover inside the tray 2 Pinch the release at the left side of the Roller and slide it off the shaft Separating the Engine Module from the Paper Feed Module 6 49 www GovTechMedia com Transfer Roller Figure 6 23 Removing the Transfer Roller 1 Open the Top Cover and remove the Toner Cartridge The Transfer Roller is underneath the Toner Cartridge CAUTION Do not touch the black rubber part of the roller Skin oils on the roller can cause problems with print quality 2 Using a flat blade screwdriver pry the right end of the metal shaft out of place then the left end Hint When you replace the Transfer Roller make sure the black collar is oriented properly with the open end down 6 26 Removing and Replacing Parts www GovTechMedia com
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