Table of Contents
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magnet assembly removal 88
rollers removal 89
paper feed problem
base printer 26
duplex unit 27
Envelope+ feeder 28
100-sheet auxiliary feeder 28
500-sheet second tray 26
paper feed test 42
paper size
sensing problem 29
switch removal 90
paper tray
(500-sheet) assembly 152
standard (200 sheet) assembly
150
parts catalog 127
how to use the catalog 127
permanent page count 43
power-on self test (POST) 11
preventive maintenance 121
print contrast 43
print registration adjustments 63
print test page 43
print test 1 44
print test 2 44
print test 3 45
printer ground strap locations 119
printhead
assembly 140
cable locations 114
diagnosis 28
removal 91
skew adjustments
printhead window
cleaning procedure 124
Q
quick disk test 45
quick test 45
R
random marks 31
regularly spaced marks 30
removals 64
repair information 53
residual image 30
S
safety inspection guide 121
scheduled mechanical
sensor test 46
serial interface option 48
skew
stalled (diamonds on display) 31
symptom table 12
system board
system cable
T
test page 43
toner sensor removal 95
tools required 4
torquer motor removal 94
61,
62
transfer roller
transfer roller housing
transfer test 43
maintenance 125
all edges 31
top and bottom only 31
connector locations
112
removal 92
locations 107
removal 94
assembly 166
cleaning 124
removal 68
locations 106
removal 96
108, 110,
177
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