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removal 7-92
duplex tray paper guide motor
testing 5-17
duplex tray registration motor
removal 7-91
E
EIGS program RAM
testing 5-22
EIGS/MIGS bit map
testing 5-23
envelope fuser solenoid
testing 5-19
envelope tray
latch problems 3-21
problems 3-14
EP cover
removal 7-84
erase lamp
malfunctions 3-65
removal 7-83
testing 5-12
error code/TAG cross reference 2-3
error codes 1-7
bit-map RAM 2-9
host communication 2-9
IGS firmware 2-6
IGS software 2-6
IGS/disk drive 2-7
PCL 2-4
PCL failure 2-6
PCL/IGS communication 2-4, 2-5
printer 2-3
error log 1-17
clearing 1-24, 5-24
every-call cleaning procedure 9-6
exit cover
removal 7-74, 7-76
exit pinch roller
removal 7-68
exit roller assembly
removal 7-72
F
fans
removing cooling 7-26
removing duplex 7-27
front cover
connectors 6-6
removal 7-5
front cover interlock switch
removal 7-80
front duplex cover
removal 7-18
fuser drive
removal 7-57
fuser drive belt
removal 7-56
fuser unit
high temperature problems 3-73
malfuctions 3-67
thermistor malfunctions 3-72
G
ground system 6-21
guides
problems with upper paper 3-139
removing lower paper 7-51
removing paper timing 7-52
removing upper paper 7-48
H
high voltage unit
removal 7-32
I
IGS board 1-3
bit-map RAM malfunction 3-112
communication malfunctions 3-108
malfunctions 3-103
removal 7-21
IGS to PCL interface
malfunctions 3-110
input feeder
testing 5-19
input sheet feeder 8-4
input tray
paper size detection malfunctions 3-132
interfaces 6-22
Centronics parallel 6-27
RS-232C 6-22
RS-422 6-26
interlock by-pass tool 1-22
interlock switches