I-4 Service Manual
7526
low-voltage power supply (LVPS)
parts catalog
7-6
removal 4-115
service check 2-128
lubrication specifications 6-1
M
maintenance, scheduled 6-2
mechanical drive
bump aligner drive
3-76
duplex drive 3-79
fuser drive 3-78
paper pick mechanism drive 3-75
photoconductor unit/toner cartridge drive 3-77
transfer belt drive 3-78
media
error jam locations
3-57
input and output capacities 1-11
input and output sizes and types 1-12
paper path 5-1
specifications 1-9
media guidelines 1-14
menus
configuration menu
3-29
diagnostics menu 3-2
user menus 2-7
Mirror Motor Test 3-19
Model Name 3-22
models 1-1
Motor Calibration 3-40
Motor Calibration Test 3-23
motor driver
cable removal
4-117
card removal 4-118
MPF paper present sensor
service check
2-131
multipurpose feeder (MPF)
gear and housing removal
4-119
motor assembly removal 4-121
motor cable removal 4-125
motor parts catalog 7-6
O
operator panel
bezel
4-30
buttons 4-31
description 2-2
identification 2-2
indicator light 2-2
parts catalog 7-2
removal 4-27
service check 2-148
black display, stripes display, and distorted display
2-149
display blank, 5 beeps, LED off 2-148
display blank, 5 beeps, LED on 2-149
one or more buttons fail 2-148
speaker 4-33
option cable, removal 4-128
options and features
description
1-1
parts catalog 7-24
P
Panel Menus 3-33
Panel Test 3-12
paper
See media
paper jams, error locations
3-57
paper path
diagram
3-69, 5-1
main components 3-70
mechanical drive 3-75
paper sensing 3-79
print media transport 3-71
paper pick mechanism
parts catalog
7-4
removal 4-130
service check 2-51, 2-59
Paper Prompts 3-40
paper sensing
paper exit/duplex entry sensor and bin full flag
3-80
paper pick sensor 3-79
paper support (output bin extension cover) 4-35
paper tray
parts catalog
7-4
parts catalog
automatic document feeder (ADF)
7-16
cable parts packet 7-13
covers—printer 7-2
covers—scanner 7-14
flatbed scanner 7-18
front 7-4
left 7-10
optional 550-sheet media drawer and tray 7-20
optional high-capacity input option (HCIT) 7-22
optional special media tray assembly 7-21
rear 7-8
right 7-6
top 7-12
Perm Page Count 3-21
photoconductor unit 4-3
handling 4-3
installation 4-137
parts not to be touched 4-3
removal 4-137
transportation/storage 4-3
Pick tires, replacement 4-138
power cords 7-9
power-on self test (POST)
service check
2-113, 2-114, 2-115, 2-118, 2-119,
2-120, 2-121, 2-122, 2-123, 2-124, 2-125,
2-126, 2-128, 2-129
power-on self test (POST) sequence 2-8
PPDS Emulation 3-33
print quality
background
2-152
blank page 2-153
blurred or fuzzy print 2-154
half-color page 2-154
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