I-1
5021-0XX
Index
A
acronyms 1-3
B
belt cleaning process 1-36
belt discharge (erase lamp) process
1-35
C
charging process 1-29
control system 1-47
control of print process
1-48
electrical system and function 1-47
laser drive control circuit 1-50
D
developing process 1-32
diagnostic aids
3-1
button test 3-9
clearing error log 3-20
device tests
3-14
diagnostic mode 3-4
diagnostics menu structure 3-5
disabling download emulations
3-1
disk test/clean 3-14
duplex tests 3-13
error log
3-19
exiting diagnostic mode 3-21
flash test 3-15
hardware tests
3-8
LCD test 3-9
paper jam sequence 3-2
parallel strobe adjustment
3-18
parallel wrap test 3-9
print registration 3-6
print tests
3-7
printer setup 3-16
restore EP factory defaults
3-20
ROM memory test 3-10
serial number 3-17
serial wrap test
3-11
setting configuration ID 3-17
setting the page count
3-16
setting top margin
3-7
setting tray 2 left margin 3-6
viewing error log 3-19
viewing page count
3-16
diagnostic information
operator messages 2-9
printer service checks
2-29
symptom tables 2-25
E
electrical system and function 1-47
error codes
operator messages
2-9
exposing process 1-31
F
first transfer (drum) process 1-34
fusing process 1-46
fusing unit
1-44
I
interface control 1-51
interface connection 1-51
interface type 1-51
L
laser drive control circuit 1-50
locations
5-1
boards 5-6
engine controller board 5-16
fans and motors
5-7
high voltage supply board 5-18
I/O board 5-17
interlock switches
5-8
low voltage power supply board
5-18
options
5-3
printer 5-1
printer cables
5-19
sensors 5-4
solenoids and clutches 5-9
