I-4 Service Manual
5025-2xx, 4xx
printhead
parts catalog
7-4
removal 4-49
service check 2-25
Prt Color Pg Count 3-17
Prt Mono Pg Count 3-17
Prt Quality Pgs
configuration menu
3-24
diagnostic menu 3-11
Q
quick test
duplex
3-13
single-page 3-5
R
removals
autocompensator mechanism (ACM)
4-15
bin full sensor 4-18
bin full sensor flag 4-24
controller board 4-19
covers
front cover assembly
4-2
left cover assembly 4-6
operator panel 4-9
operator panel bezel 4-8
operator panel name plate 4-8
rear shield 4-11
right cover 4-10
top cover assembly 4-12
developer unit 4-21
duplex sensor 4-21
exit deflector 4-24
fuser assembly 4-26
fuser drive motor assembly 4-29
fuser exit sensor 4-30
getting started 4-2
high-voltage power supply (HVPS) 4-31
image transfer unit (ITU) 4-33
imaging unit (IU) 4-35
left lower frame 4-39
low-voltage power supply (LVPS) 4-37
main drive gear assembly 4-45
photoconductor unit 4-35
pick tires, 250-sheet media tray 4-48
printhead 4-49
right lower frame 4-41
toner cartridge contacts 4-50
toner density sensor (TDS), left and right 4-53
toner meter cycle (TMC) card 4-55
tray present sensor 4-57
USB port connector 4-59
waste toner bottle 4-60
wireless network antenna 4-61
wireless network card 4-63
reports
event log
3-21, 3-25
menu settings page 3-21, 3-25
Print Quality Pages 3-11, 3-24
Quick Test 3-5
Quick Test (duplex) 3-13
Reset Fuser Cnt 3-19
RGB color 3-45
S
S1 sensor 2-29
safety information xv
safety inspection guide 6-1
sensors
bin full
Base Sensor Test (standard bin)
3-16
parts catalog 7-6
removal 4-18
duplex
parts catalog
7-6
removal 4-21
service check 2-29
front door
service check
2-30
fuser exit
Base Sensor Test
3-16
parts catalog 7-6
removal 4-30
service check 2-31
input
Base Sensor Test
3-16
service check 2-34
S1
Base Sensor Tests
3-16
service check 2-29
S2
Base Sensor Tests
3-16
service check 2-34
toner density
parts catalog
7-8
toner density sensor (TDS)
removal
4-53
toner meter cycle
Base Senor Tests
3-16
tray present
parts catalog
7-6
removal 4-57
serial number
viewing
3-18
service checks
122.xx—fuser temperature incorrect
2-24
90x.xx error 2-24
925.01—fan error 2-25
930.xx–935.xx—printhead errors 2-25
936.xx, 937.xx—transport motor 2-26
950.xx EPROM mismatch failure 2-26
autocompensator mechanism 2-27
bin full sensor 2-27
dead printer 2-28
duplex/manual feed sensor (S1) 2-29
front door sensor or switches 2-30
fuser 2-32
fuser exit sensor 2-31
input sensor (S2) 2-34
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