Lexmark C782 Service Manual - Page 457

Prt Quality Pgs, Quick Disk Test

Page 457 highlights

5061 light print-all colors 2-97 low image density 2-99 missing colors 2-95 negative ghost image 2-101 one color has light print 2-97 paper wrapped around the second transfer roll 2-104 poor color alignment 2-99 print quality service checks 2-93 print quality test pages 3-15 residual image 2-101 service check 2-93 smudged or distorted images 2-102 toner is on the back of the printed page 2-103 toner smears or rubs off the page 2-102 transparency print quality is poor 2-100 uneven printing 2-101 vertical lines or streaks 2-98 white streak in color plane 2-104 print quality defect locator chart 3-3 print quality samples 9-1 Print Resolution 2-120 PRINT TESTS Print Quality Pgs 3-15, 9-1 Quick Test Page 3-14 printhead alignment assemblies 4-72 black electronic alignment 4-77 color electronic alignment 4-78 determining which to replace 4-73 identification 4-72 location 5-2 mechanical alignment 4-72 parts catalog 7-13 printhead alignment assemblies 4-72 printhead electronic alignment test pages 9-8 Printhead Inst 3-14 printhead interlock switch, service check 2-79 Prt Quality Pgs 3-32 Q Quality Menu 2-120 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 4-79, 4-81 redrive assembly belt routing 8-2 parts catalog 7-14 removal 4-82 REGISTRATION 3-10 registration motor location 5-2 parts catalog 7-17 removal 4-83 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 4-45 fuser drive assembly 4-46 fuser fan 4-46 fuser top duct 4-47 inner system board shield 4-48 ITU assembly 4-49 ITU drive assembly 4-52 ITU drive motor 4-83 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 4-72 rear bellcrank (black) 4-81 rear bellcrank (cyan, magenta, yellow) 4-79 redrive assembly 4-82 registration motor 4-83 rib housing 4-84 RIP fan 4-86 S2/narrow media/transparency/mutipurpose feeder cables 4-87 S2/narrow media/transparency/mutipurpose feeder sensors 4-88 second transfer roll 4-88 system board 4-89 Index I-5

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Index
I-5
5061
light print—all colors
2-97
low image density
2-99
missing colors
2-95
negative ghost image
2-101
one color has light print
2-97
paper wrapped around the second transfer roll
2-104
poor color alignment
2-99
print quality service checks
2-93
print quality test pages
3-15
residual image
2-101
service check
2-93
smudged or distorted images
2-102
toner is on the back of the printed page
2-103
toner smears or rubs off the page
2-102
transparency print quality is poor
2-100
uneven printing
2-101
vertical lines or streaks
2-98
white streak in color plane
2-104
print quality defect locator chart
3-3
print quality samples
9-1
Print Resolution
2-120
PRINT TESTS
Print Quality Pgs
3-15
,
9-1
Quick Test Page
3-14
printhead
alignment assemblies
4-72
black electronic alignment
4-77
color electronic alignment
4-78
determining which to replace
4-73
identification
4-72
location
5-2
mechanical alignment
4-72
parts catalog
7-13
printhead alignment assemblies
4-72
printhead electronic alignment test pages
9-8
Printhead Inst
3-14
printhead interlock switch, service check
2-79
Prt Quality Pgs
3-32
Q
Quality Menu
2-120
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
4-79
,
4-81
redrive assembly
belt routing
8-2
parts catalog
7-14
removal
4-82
REGISTRATION
3-10
registration motor
location
5-2
parts catalog
7-17
removal
4-83
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
4-45
fuser drive assembly
4-46
fuser fan
4-46
fuser top duct
4-47
inner system board shield
4-48
ITU assembly
4-49
ITU drive assembly
4-52
ITU drive motor
4-83
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
4-72
rear bellcrank (black)
4-81
rear bellcrank (cyan, magenta, yellow)
4-79
redrive assembly
4-82
registration motor
4-83
rib housing
4-84
RIP fan
4-86
S2/narrow media/transparency/mutipurpose feeder
cables
4-87
S2/narrow media/transparency/mutipurpose feeder
sensors
4-88
second transfer roll
4-88
system board
4-89