Xerox 8550 Printer User Manual


 
Phaser 8400/8500/8550/8560 Color Printer Service Manual I – 1
Index
Numerics
525-sheet feeder, parts list, 9-9
8-pin NVRAM, parts list, 9-13
A
AC power, 2-20
adjust x-axis scale, service menu, 4-3
B
back button, 1-5
basic positions, printhead, 2-10
basic printhead cleaning cycle, 2-33
belts
drive, single reduction
, 2-16
drum, 2-17
parts for wiper drive, 9-7
parts for y-axis, 9-7
printer, 7-6
removing from drum assembly, 8-27
wiper alignment, 6-3
y-axis disassembly, 8-8
y-axis slip test, 3-56, 4-40
y-axis tension, 3-13
y-axis tension test, 4-40
BIST Error Codes, 3-3
C
cables
circuit board and cables part list
, 9-13
crossover, 4-71
drum encoder, 8-27
drum heater, 8-27
drum temperature sensor, 8-27
exit module, 8-30
I/O and electronic, 3-25
IDE hard drive, 2-19
ink loader, 8-7
media drive motor, 8-30
pick solenoid, 8-41
power cord parts list, 9-16
printhead power, 3-14
ribbon connector, 8-5
serial modem, 4-73
USB, 4-72
wave amp, 3-40
cabling, parts list, 9-13
calibration faults, 3-33, 3-35
cancel button, 1-5
chase page, 2-34, 4-3, 4-55
check menu tables, 4-10
check activators menu, 4-10
deskew clutch, 4-11
drum heater relay, 4-12
head maintenance clutch, 4-10
purge vent solenoid, 4-12
strip solenoid, 4-12
tray 1 pick solenoid, 4-11
tray 2, tray 3, tray 4, pick clutch, 4-11
check drive menu, 4-31
drum maintenance drive, 4-34
paper path drive, 4-32
tilt drive, 4-35
transfix drive slow and transfix drive fast, 4-34
tray 2, tray 3, tray 4, lift plate drive, 4-36
wiper drive, 4-31
x-axis drive, 4-33
check drum menu, 4-37
drum maintenance contact, 4-42
stripper contact, 4-41
y-axis belt slip, 4-40
y-axis belt tension, 4-40
y-axis drive, 4-39
y-axis encoder, 4-37
y-axis geometry, 4-38
check misc menu, 4-46
drum maint/transfix home, 4-50
paper path status, 4-46
purge pump, 4-47
temperature status, 4-47
voltages, 4-49
wiper alignment, 4-49
check motors menu, 4-43
media path motor, 4-44
process motor, 4-44
tray 2, tray 3, tray 4, lift motor, 4-45
tray 3 and tray 4 pick/feed motor, 4-45
x-axis motor, 4-43
y-axis motor, 4-43
check paper path menu
duplex paper drive power
, 4-27
duplex paper lead edge times, 4-28
duplex paper sensor bounce times, 4-30
duplex paper trail edge times, 4-29
paper drive power, 4-22
paper lead edge times, 4-22
paper sensor bounce times, 4-26
paper trail edge times, 4-24
tray 1 pick shaft, 4-18
tray 2, tray 3, and tray 4 pick shaft, 4-20
wiper shaft, 4-16
check shafts menu, 4-13
deskew shaft, 4-13
cleaning
ink smears
, 7-3
light stripes or missing colors, 7-2
media jams, 7-3