paper exit sensor

+12 Vdc malfunctions 3-79

removal 7-78

+24 Vdc malfunctions 3-92

paper feed drive belt

+5 Vdc malfunctions 3-113

removal 7-58

-12 Vdc malfunctions 3-90

paper feed tension

removing AC 7-29

adjusting 9-8

removing DC 7-31

paper full sensor

removing high voltage 7-32

removal 7-79

power-on-reset (POR) 1-21

paper handling

print cycle 1-3

problems 2-13

print quality

paper input timing

background print example 4-21

problems 3-41

black print 3-163

paper jams

example 4-13

duplex area 3-198

blank print 2-9, 3-148

fuser area 3-34

example 4-6

lower cassette 3-30

blank vertical bands example 4-11

output area 3-39

blurred print 2-11

transfer area 3-34

example 4-19

upper cassette 3-26

blurred vertical streaks 3-177

paper output timing

dark areas 3-180

problems 3-43

dark horizontal bands 3-148

paper path 1-6

dark print 2-10, 3-182

paper size

example 4-13

codes 5-4

dark speck example 4-14

paper timing guide

dark spots 3-166

removal 7-52

dark vertical band example 4-15

paper timing roller

dark vertical streaks 3-172

removal 7-59

fusing problems 3-187

paper transport clutch

example 4-24

test sequence 5-7

light horizontal bands 3-162

parallel interface 6-27

example 4-12

PCL board 1-3

light print 2-10, 3-152

malfunctions 3-102

example 4-7

removal 7-22

light print with background example 4-8

PCL to IGS interface

light vertical streaks 3-160

malfunctions 3-110

example 4-10

photoconductor

misregistration 2-10, 3-168, 3-194

testing 5-8

example 4-17

photoconductor rear guide rail

overtoned print example 4-18

removal 7-35

residual images 3-182, 3-189

photoconductor seam sensor

example 4-22

problems 3-54

samples 4-3

removal 7-33

scratches 3-166

power control board

skewed print 2-10, 3-168, 3-194

removal 7-38

example 4-16

power supplies

smeared vertical streaks 3-177

Index-5