Phaser 4500/4510 Service Manual I – 3
side-to-side registration, 5-9
skew, 5-13
skips/smears, 5-11
spots, 5-12
test print, 5-5
Inoperable control panel buttons, 4-3
Interlock
24 V
, 2-29, 4-24
5 V, 2-29, 4-25
diagnostic tests, 3-11
duplex unit switch, 2-34, 4-53
interlock switch assembly, 2-29
laser, 2-29
rear cover switch, 2-29, 4-26
schematic diagram, 2-31, 2-32
stacker rear cover switch, 2-37, 4-58
theory, 2-7
top cover switch, 2-29
Interlock switch assembly, 2-29, 4-26
troubleshooting, 4-25
J
Jam at duplex, 3-49, 3-51
Jam at exit, 3-43
Jam at rear, 3-45, 3-49
Jam at stacker, 3-47
Jam at top, 3-40
Jam at tray N, 3-34, 3-37
Jam history, 3-5
Jam, paper size, 3-56
L
Laser assembly, 2-19
laser diode assembly, 2-19
scanner, 2-19
start of scan board, 2-19
Laser control, 2-20
Laser diode (LD) assembly, 2-19
Laser interlock, 2-29
Laser power
adjusting
, 6-5
default, 6-5
Laser power adjustment, 3-10
Laser unit
failure troubleshooting
, 3-29
Laser unit assembly, 4-12
LCD/LED display error, 4-3
LED blink patterns, 3-16
Left tray guide, 4-31
Link lever, 2-28
Low paper actuator, 2-15, 2-40, 3-64, 3-66, 4-21, 4-43
Low paper sensor, 2-15, 2-40, 4-21
Low voltage power supply (LVPS), 2-29, 4-4
Lower stacker roller, 2-37
M
Macintosh printing problems, 3-19
Magnet roller, 2-18
Main fan, 2-29
Main motor, 2-28
failure troubleshooting, 3-28
Maintenance
tools
, 7-2
Maintenance kit, 6-9, 8-13, 8-16
description, 1-10
part numbers, 9-47
replace, 3-71
Maintenance, preventive, 7-2
Margins. See Registration
Media specifications
, 1-14
Memory
requirements
, 4-35
troubleshooting, 4-35
Memory requirements, 1-15
menu map, service, 3-8
Motor
diagnostic tests
, 3-10
duplex unit, 2-34, 4-50
exit, 2-27, 4-28
feeder, 2-40
stacker, 2-36, 2-37, 4-55
stacker offset, 2-37, 4-56
N
No control panel display after power is turned ON, 4-3
No paper actuator, 2-15, 2-40, 3-63, 3-65, 4-19, 4-41, 8-18,
8-27, 8-89
No paper sensor, 2-15, 2-40, 4-19
NVRAM
engine
, 3-10
PostScript, 1-6, 6-13
reset password, 3-14
O
Offset chute assembly, 2-37
Offset motor assembly, 2-37, 4-56
Offset sensor (on stacker PWBA), 4-61
Offset sensor (stacker), 2-37
Operating environment, 5-7
Option feeder
no paper sensor
, 2-40
Optional 550-sheet feeder, 4-39, 4-40
drive transmission path, 2-39
feed clutch, 4-46
feed roller, 2-40
functional components, 2-40
gear layout, 2-39
low paper actuator, 2-40
low paper sensor, 2-40, 4-43
motor, 2-40