Jam detection (EF) ................................................................................................... 51
Duplexer ............................................................................................................................... 53
Motor and fan control (DP) ....................................................................................... 54
Failure detection (DP) ................................................................................ 55
Reverse-and-re-pickup operation (DP) ......................................................................... 55
Side registration adjustment operation (DP) ................................................................ 56
Jam detection (DP) ................................................................................................... 58
2 Removal and replacement .............................................................................................. 59
Introduction ........................................................................................................................... 60
Removal and replacement strategy ........................................................................................... 60
Electrostatic discharge ............................................................................................................ 60
Required tools ........................................................................................................................ 61
Types of screws ..................................................................................................................... 62
Service approach ................................................................................................................... 63
Before performing service ........................................................................................ 63
After performing service ........................................................................................... 63
Post-service test ....................................................................................................... 63
Print-quality test ........................................................................................ 63
Customer replaceable units (CRUs) ........................................................................................... 64
Print cartridge ......................................................................................................... 64
Tray 2 ................................................................................................................... 65
Tray 2 separation, pickup, and feed rollers ................................................................ 66
Transfer roller ........................................................................................................ 69
Fuser ..................................................................................................................... 70
Remove the fuser ...................................................................................... 70
Formatter cover and formatter cage ........................................................................... 71
Installing a new formatter .......................................................................... 73
Hard drive ............................................................................................................. 74
Remove the SSM ...................................................................................... 74
Remove the encrypted HHD ....................................................................... 76
Installing a replacement hard drive ............................................................. 78
SSM firmware upgrade .............................................................. 78
HDD firmware upgrade .............................................................. 79
Memory DIMM ....................................................................................................... 80
Remove the memory DIMM ....................................................................... 80
Install the memory DIMM ........................................................................... 81
Tray 1 pickup and feed rollers .................................................................................. 82
Tray 1 separation roller ........................................................................................... 85
Rear output bin ....................................................................................................... 87
Covers .................................................................................................................................. 88
ENWW vii
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