Table of contents 1 Removal and replacement .............................................................................................................................. 1 Removal and replacement strategy ...................................................................................................................... 2 Considerations during removal and replacement .............................................................................. 2 Required tools .....................................................................................................................................
3 Types of screws ................................................................................................................................... 3 Service approach ................................................................................................................................. 3 Before performing service .................................................................................................................. 4 After performing service .....................................................................................................................
4 Parts removal order ............................................................................................................................ 4 Customer self repair (CSR) assemblies ................................................................................................................. 5 Toner cartridges .................................................................................................................................. 5 Toner-collection unit ...........................................................................................................................
6 Tray ...................................................................................................................................................... 8 Formatter PCA ..................................................................................................................................... 9 Install a replacement formatter ..................................................................................... 10 Fax PCA (M680) .................................................................................................................................. 12 Before proceeding, remove the following assemblies ..................................................
12 Remove the fax PCA (M680) ........................................................................................... 12 Hard-disk drive (HDD) or solid-state memory (SSM) ....................................................................... 13 Before proceeding, remove the following assemblies .................................................. 13 Identify the storage device type ..................................................................................... 13 Remove the SSM (M651) .................................................................................................
14 Remove the HDD ............................................................................................................. 17 Reinstall the product firmware ...................................................................................... 19 Memory DIMM .................................................................................................................................... 21 Remove the memory DIMM ............................................................................................ 21 Fuser ..................................................................................................................................................
24 Reinstall the memory DIMM ........................................................................................... 22 Intermediate transfer belt (ITB) ........................................................................................................ 25 Control panel assembly (M651) ........................................................................................................ 28 Control-panel assembly (M680) ....................................................................................................... 32 Reinstall the control-panel assembly (M680) ............................................................... 35 ENWW v