Lexmark C520 Series, Service Manual

Page: 252 / 259

I-2
Service Manual
5022- xxx
print quality—solid color page
2-72
print quality—vertical banding
2-73
printer adjustments
4-3
printer service checks
2-26
printhead alignment
4-3
R
removal and cleaning precautions
4-1
removals
4-11
bump aligner gear removal
4-31
bump aligner motor removal
4-45
contact springs removal
4-56
cover removals
4-16
CRU/FRU and supplies removals
4-12
duplex front door assembly removal
4-34
electrophotographic Process (EP) drive assembly
removal
4-40
exit tray cover removal
4-16
front access cover assembly removal
4-19
front access door 5V interlock switch removal
4-43
Front door assembly removal
4-32
front door assembly restraint cable removal
4-36
front removals
4-26
fuser cable cover removal
4-27
fuser removal
4-13
high volt power supply (HVPS) removal
4-55
left cover removal
4-20
left side removals
4-54
low volt power supply (LVPS) removal
4-38
machine pad removal
4-27
multipurpose feeder (MPF) swing arm assembly removal
4-28
operator panel assembly removal
4-22
operator panel inner bezel removal
4-21
operator panel outer bezel removal
4-21
paper pick mechanism assembly removal
4-30
photoconductor unit removal
4-14
printhead removal
4-52
rear cover removal
4-17
rear removals
4-46
right cover removal
4-18
right side removals
4-37
smart chip card removal
4-51
system card removal
4-47
system card support shield removal
4-49
toner level sensor removal
4-58
top access cover assembly removal
4-23
top access door 24V interlock switch removal
4-60
top cover camshaft assembly installation
4-62
top cover camshaft assembly removal
4-61
top removals
4-59
transfer belt removal
4-15
transfer contact assembly removal
4-57
waste toner assembly removal
4-15
S
safety information
ii-xv
selecting, numerical values
2-3
serial number
1-12
service checks
110.xx—Mirror motor service check
2-26
111.xx—Printhead error service check
2-26
112.xx—Printhead error service check
2-27
113.xx—Printhead error service check
2-28
114.xx—Printhead error service check
2-29
120.01/02/08-10/13-15—Fuser error service check
2-30
120.03—Fuser error service check
2-32
120.04-07—Fuser error service check
2-32
140.01/03-08—Autocomp (tray 1) motor error service
check
2-34
140.02—Autocomp (tray 1) motor error service check
2-34
142.xx—Motor (fuser) error service check
2-34
143.09-11/15/17-18/20-25—Motor (EP drive asm top
cartridge) error service check
2-35
143.12-14/16—Motor (EP drive asm top cartridge) error
service check
2-36
144.09-11/15/17-18/20-25—Motor (EP drive asm bottom
cartridge) error service check
2-36
144.12-14/16—Motor (EP drive asm bottom cartridge)
error service check
2-37
145.xx—Motor (bump aligner) error service check
2-37
146.xx—Motor (duplex) error service check
2-38
147.xx/149.xx—Motor (500-sheet option tray2 motor)
error service check
2-39
,
2-40
148.xx—MPF motor error service check
2-40
910.01—Engine error service check
2-40
920.01—POST (power on self test) error service check
2-41
920.02—POST (power on self test) error service check
2-41
920.03—POST (power on self test) error service check
2-42
920.04—POST (power on self test) error service check
2-42
920.05—POST (power on self test) error service check
2-43
920.06—POST (power on self test) error service check
2-44
920.07—POST (power on self test) error service check
2-44
920.08—POST (power on self test) error service check
2-45
920.09-12—POST (power on self test) error service check
2-46
920.13—POST (power on self test) error service check
2-48
920.14—POST (power on self test) error service check
2-49
920.15—POST (power on self test) error service check
2-50
920.16—POST (power on self test) error service check
2-50
920.17—POST (power on self test) error service check
2-51
920.18—POST (power on self test) error service check
2-51
920.19—POST (power on self test) error service check
2-52