Chapter 66-106.10 Parts Replacement Procedure6.10.1 Drum Unit6.10.1.1 Removing the Drum Unit 0017-85571) Open the front cover .2) Turn the developing assembly locking lever [2] clockwise to open the leftdoor [3].3) Draw out the drum unit [4].F-6-166.10.2 Developing Assembly6.10.2.1 Removing the Developing Assembly 0017-85581) Open the front cover.2) Turn the developing assembly locking lever [2] clockwise to open the leftdoor.3) Draw out the drum unit.4) Detach the rear cover.5) Detach the right cover (lower).6) Detach the delivery tray.7) Remove the developing assembly locking lever [1].- Screw [2], 1 pcs8) Release the two hooks [3] (marked with snap-fit mark), and then removethe toner bottle cover [4].F-6-179) Draw out the developing assembly [1].F-6-186.10.2.2 Precautions about Installation of DevelopingAssembly 0017-8559Front sideFit the convex portion of the main body in the concave portion on the bottomof the developing assembly.F-6-19Rear sideFit the pin [1] seen in the back of the main body in the support hole [2] pro-vided at the back of the developing assembly.F-6-206.10.2.3 Procedure after Replacing the DevelopingAssembly 0017-85601) Plug the power cord into the outlet.2) Open the front cover.3) With the front cover open, turn on the main power switch.4) When a message appears on the operation panel display, press the follow-ing keys to enter the service mode:Additional functions key > 2 key > 8 key > Additional functions key5) Select "#PRINT" using the + or - key, and then press the OK key.6) Select "#PRINT SW" using the + or - key, and hen press the OK key. Con-firm that the following message is displayed:Message: #PRINT SW 001 00000000- When attaching or detaching the drum unit, open the left door fully toprevent the damage to the drum unit.- To prevent exposure of the drum, cover the drum unit with a few sheets ofpaper and place it in a safe place.[2][1][3][4][2][1][3][4]When installing the developing assembly, follow the precaution givenbelow.After replacing the developing assembly, go through the following steps inthe developing assembly idle rotation mode before installing the tonerbottle.[1][1] [2]
