Lexmark C78x User Manual

Index I-5
5061
print quality test pages
3-15
residual image 2-103
service check 2-95
smudged or distorted images 2-104
toner is on the back of the printed page 2-105
toner smears or rubs off the page 2-104
transparency print quality is poor 2-102
uneven printing 2-103
vertical lines or streaks 2-100
white streak in color plane 2-106
print quality defect locator chart 3-3
print quality samples 9-1
Print Resolution 2-122
PRINT TESTS
Print Quality Pgs
3-15, 9-1
Quick Test Page 3-14
printhead
alignment assemblies
4-73
black electronic alignment 4-78
color electronic alignment 4-79
determining which to replace 4-74
identification 4-73
location 5-2
mechanical alignment 4-73
parts catalog 7-13
printhead alignment assemblies 4-73
printhead electronic alignment test pages 9-8
Printhead Inst 3-14
printhead interlock switch, service check 2-81
Prt Quality Pgs 3-32
Q
Quality Menu 2-122
Quick Disk Test 3-25
Quick Test Page 3-10, 3-11, 3-14, 9-6
Quick Test, duplex 3-19
R
rear bellcrank
parts catalog
7-25
removal 4-80, 4-82
redrive assembly
belt routing
8-2
parts catalog 7-14
removal 4-83
REGISTRATION 3-10
registration motor
location
5-2
parts catalog 7-17
removal 4-84
relocation packaging kit 7-71
removals
autocompensator pick assembly
4-27
BOR drive assembly 4-34
cartridge contact assembly 4-35
cartridge drive assembly 4-38
covers
front cover
4-11
front cover backplate assembly 4-11
front cover rear pivot cover 4-10
front left handle cover assembly 4-19
front lower left cover 4-17
front lower right cover 4-19
front right handle cover assembly 4-21
left lower cover 4-24
lens 4-9
lower jam access door assembly 4-25
lower right door assembly 4-24
operator panel bezel 4-7
paper path access door 4-18
rear cover 4-22
redrive cap 4-12
redrive door 4-26
top cover assembly 4-13
developer HVPS board 4-39
friction buckler and buckler housing 4-40
front right light shield 4-42
fuser assembly 4-44
fuser bottom duct 4-46
fuser drive assembly 4-46
fuser fan 4-47
fuser top duct 4-47
inner system board shield 4-48
ITU assembly 4-49
ITU drive assembly 4-52
ITU drive motor 4-84
LVPS assembly 4-53
media size sensing assembly 4-55
media size sensing board 4-58
MPF autocompensator or side restraints 4-62
MPF motor 4-64
multipurpose feeder (MPF) 4-59
nip relief handle 4-65
operator panel assembly 4-68
outer system board shield 4-69
pick rolls 4-70
printheads 4-73
rear bellcrank (black) 4-82
rear bellcrank (cyan, magenta, yellow) 4-80
redrive assembly 4-83
registration motor 4-84
rib housing 4-85
RIP fan 4-87
S2/narrow media/transparency/mutipurpose feeder
cables
4-88
S2/narrow media/transparency/mutipurpose feeder
sensors
4-89
second transfer roll 4-89
system board 4-90
transfer HVPS board 4-92
transfer plate assembly 4-95
vacuum transport belt (VTB) 4-96
vacuum transport belt (VTB) fan 4-98
waste container door 4-98
waste container latch 4-99
web oiler fuser assembly and card 4-100
Reset Calibration 3-28
Reset Fuser Count 3-32
resolution 1-3

Lexmark C78x Specifications

General

Brand	Lexmark
Model	C78x
Category	Printer
Language	English