I-4 Service Manual
7526
M
maintenance, scheduled 6-2
media
error jam locations
3-57
input and output capacities 1-10
input and output sizes and types 1-11
paper path 5-1
specifications 1-8
media guidelines 1-13
menus
configuration menu
3-30
diagnostics menu 3-3
user menus 2-4
Mirror Motor Test 3-22
Model Name 3-24
models 1-1
Motor Calibration 3-42
Motor Calibration Test 3-26
motor driver
cable removal
4-126
card removal 4-127
multipurpose feeder (MPF)
gear and housing removal
4-128
motor assembly removal 4-130
motor cable removal 4-134
motor parts catalog 7-6
O
operator panel
bezel
4-32
buttons 4-33
description 2-2
identification 2-2
indicator light 2-2
parts catalog 7-2
removal 4-26
service check 2-149
display all diamonds, 5 beeps 2-151
display all diamonds, no beeps 2-150
display blank, 5 beeps, LED on 2-150
one or more buttons fail 2-149
option cable, removal 4-135
options and features
description
1-1
parts catalog 7-24
P
Panel Menus 3-34
Panel Test 3-15
paper
See media
paper jams, error locations
3-57
paper path
diagram
5-1
paper pick mechanism
parts catalog
7-4
removal 4-137
service check 2-46, 2-55
Paper Prompts 3-42
paper support (output bin extension cover) 4-38
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 3-24
photoconductor unit 4-2
handling 4-2
installation 4-144
parts not to be touched 4-2
removal 4-144
transportation/storage 4-2
Pick tires, replacement 4-145
power cords 7-9
power-on self test (POST)
service check
2-108, 2-109, 2-111, 2-112, 2-113,
2-114, 2-115, 2-117, 2-118, 2-119, 2-120,
2-121, 2-122, 2-124, 2-126
power-on self test (POST) sequence 2-5
PPDS Emulation 3-34
print quality
background
2-152
blank page 2-153
blurred or fuzzy print 2-154
half-color page 2-154
horizontal banding 2-154
horizontal line 2-155
insufficient fusing 2-155
missing image at edge 2-155
mottle (2–5mm speckles) 2-155
narrow vertical line 2-155
random marks 2-155
residual image 2-156
solid color page 2-156
vertical banding 2-157
white gapping 2-157
printer pads
parts catalog
7-4
removal 4-146
printhead
clean lenses
6-5
parts catalog 7-8
removal 4-147
service check 2-41, 2-42
verification 3-52
printhead alignment 4-9
printhead verification 3-52
Prt Color Pg Count 3-24
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