
[Maintenance/Troubleshooting] Contents-1
Table of contents
1 Cleaning This Machine
1.1 Before getting started .................................................................................................................... 1-2
1.2 Cleaning ........................................................................................................................................... 1-4
1.2.1 Cleaning the outside of this machine..................................................................................................1-4
Control Panel ......................................................................................................................................1-4
Exhaust Air Duct .................................................................................................................................1-4
Outer Covers.......................................................................................................................................1-4
Original Glass......................................................................................................................................1-5
Original Cover Pad..............................................................................................................................1-5
1.2.2 Cleaning the Paper Feed Rollers ........................................................................................................1-5
Cleaning the Paper Feed Rollers of the Manual Feed Tray ................................................................1-5
Cleaning the Paper Feed Unit of Tray 1/2/3 .......................................................................................1-6
Cleaning the Transport Roller of Tray 2/3...........................................................................................1-6
Cleaning the Paper Feed Roller of the ADF ........................................................................................1-7
1.2.3 Cleaning the laser lenses ....................................................................................................................1-8
2 Checking and Replacing Consumables
2.1 Checking the status of consumables............................................................................................ 2-2
Consumables replacement messages................................................................................................2-2
Checking the consumable level ..........................................................................................................2-2
2.2 Replacing consumables ................................................................................................................. 2-3
2.2.1 Replacing a Toner Cartridge...............................................................................................................2-3
Handling a Toner Cartridge.................................................................................................................2-3
Storing Toner Cartridges.....................................................................................................................2-3
Replacement procedure .....................................................................................................................2-4
2.2.2 Replacing an Imaging Unit..................................................................................................................2-6
2.2.3 Replacing a Waste Toner Bottle .......................................................................................................2-12
2.2.4 Replacing the Transfer Roller............................................................................................................2-14
2.2.5 Replacing the Transfer Belt Unit .......................................................................................................2-16
2.2.6 Replacing a Toner Filter ....................................................................................................................2-22
2.2.7 Replacing a Fusing Unit....................................................................................................................2-23
2.2.8 Replacing a Staple Kit SK-602 .........................................................................................................2-27
2.2.9 Replacing a Staple Kit SK-501 .........................................................................................................2-30
3 Clearing Paper Jam and Staple Jam
3.1 To prevent a paper jam .................................................................................................................. 3-2
3.2 When a paper jam has occurred ................................................................................................... 3-3
3.2.1 Paper jam message screen.................................................................................................................3-3
3.2.2 Clearing a paper jam in the Manual Feed Tray or Transfer Roller ......................................................3-3
Clear procedure ..................................................................................................................................3-4
3.2.3 Clearing a paper jam in Tray 1............................................................................................................3-5
Clear procedure ..................................................................................................................................3-5
3.2.4 Clearing a paper jam in Tray 2/3.........................................................................................................3-7
3.2.5 Clearing a paper jam in the ADF.........................................................................................................3-8
3.2.6 Clearing a paper jam in the Duplex Option.......................................................................................3-10
3.2.7 Clearing a paper jam in the Fusing Unit............................................................................................3-11
Clear procedure ................................................................................................................................3-11
3.2.8 Clearing a paper jam in the Finisher (bizhub C3850FS only) ............................................................3-14
3.3 Troubleshooting for paper jam .................................................................................................... 3-15
3.4 Clearing a staple jam .................................................................................................................... 3-17
3.4.1 Clearing a staple jam in the Staple Kit SK-501.................................................................................3-17