Xerox Phaser 8400

Service Manual Index – 3
covers, 8-6
DIMM chips
, 8-60
drum heater relay
, 8-58
drum maintenance assembly
, 8-32
duplex roller
, 8-23
electronics module
, 8-55
exit module assembly
, 8-40
front door assembly
, 8-5
hard drive
, 8-61
head tilt compound gear
, 8-54
head tilt solenoid
, 8-18
I/O board
, 8-57
ink loader assembly
, 8-8
media drive gearbox
, 8-48
media release blade and roller
, 8-22
NVRAM
, 8-59
paper guides
, 8-41
pick assembly
, 8-45
pick solenoid
, 8-49
preheater and deskew assembly
, 8-23
preheater lift solenoid
, 8-50
printhead assembly
, 8-12, 8-20
processor drive motor
, 8-51
purge pressure pump
, 8-39
takeaway roller
, 8-44
wave amp board
, 8-56
x-axis bias spring
, 8-19
x-axis motor assembly
, 8-53
y-axis motor assembly
, 8-9
dot size variations
, 5-37
drop mass evaluation
, 5-34
drum assembly
, 2-3, 2-16
drum assembly, parts
, 9-7
drum cleaning
, 2-34
drum heater
, 2-16
drum maintenance
, 2-24
camshaft
, 6-8, 8-52
camshaft assembly parts
, 9-7
definition
, 2-3
door part number
, 9-5
pivot plate
, 8-32
pivot plate part
, 9-7
removing pivot plate
, 8-33
theory
, 2-13
drum maintenance system
, 2-3
drum operation
assembly and transfix system
, 2-16
drum cleaning
, 2-34
drum preparation
, 2-24
maintenance system
, 2-13
purge system
, 2-14
relation to printhead
, 2-10
drum preparation
, 2-24
duplex printing
, 2-30
duplex roller
disassembly
, 8-25
parts
, 9-9
E
electrical troubleshooting, 4-65
electronics module
, 2-19
BIST errors
, 3-3
DIMM replacement
, 8-60
failures
, 4-71
I/O board faults
, 3-11
interface faults
, 3-27
location
, 1-8
NVRAM replacement
, 8-59
overview
, 2-3
parts list
, 9-13
POST errors
, 3-4
replacement
, 8-55
theory of operation
, 2-19
electronics subsystem
, 2-3
eliminate light stripes
, 2-33, 5-2
eliminate light stripes, service menu
, 4-2
energy guidelines
, 4-3
envelopes, printing on
, 1-13
environmental specifications
, 1-11
error codes
525-sheet feeder faults
, 3-10
code version
, 3-36
electronics module
, 3-27
I/O board program
, 3-11
I/O circuit board
, 3-11
ink loader
, 3-26
IPC program
, 3-12
mechanical initialization
, 3-37
printhead calibration
, 3-36
process control system
, 3-13
process motor gearbox
, 3-19