I-4 Service Manual
5056-XXX
P
paper and media
guidelines 1-15
paper checks 2-2
print area 1-15
printer capacity 1-13
sizes 1-8
specifications 1-7
types 1-12
weights 1-12
paper exit tray removal 4-12
paper feeding
multipurpose feeder 3-29
paper jams 3-34
theory 3-29
weight of paper 3-33
paper jams 3-34
Parallel 2-34
part number 1-20
parts catalog
base
7-10, 7-12, 7-14
cassette 7-24
covers 7-2, 7-4, 7-5, 7-6, 7-7
duplex unit 7-30, 7-32
electrical 7-16
expansion feeder 7-26, 7-28
finisher
covers 7-46, 7-47
docking 7-55, 7-56
electronics 7-54
elevator 7-53
feed 7-50, 7-51, 7-52
frame 7-48, 7-49
finisher parts packet 7-63
fuser unit 7-23
high-capacity feeder 7-34, 7-36, 7-38, 7-40, 7-42,
7-43, 7-44, 7-45
miscellaneous 7-57
options 7-57
parts packets 7-58
RIP board 7-22
upper unit 7-8
parts packets 7-58, 7-63
parts return 1-20
periodic maintenance 6-2
Port disabled Remove USB drive 2-34
POST 3-1
power and electrical specifications 1-17
Power Saver 2-34
power-on self-test sequence 3-1
preventive maintenance 6-1
print quality problems 2-63
printed circuit boards
inspection
4-2
precautions 4-2
replacement 4-2
transportation and storage 4-2
Printer busy 2-34
printer controller board communication error 2-17
printer environment 1-18
Printer locked, enter PIN to unlock 2-34
printer messages 2-5
printhead
LED printhead removal 4-20
printhead controller board removal 4-38
Printing 2-34
Printing from USB drive 2-34
printing menu settings 3-3
Programming Disk 2-34
Programming Flash 2-34
Programming System Code 2-34
R
Reading USB drive 2-34
Ready 2-35
Remote Management Active 2-35
removals
belt up/down clutch
4-12
cassette guide 4-13
connector, duplex unit 4-14
covers
front left 4-8
left side 4-9
rear 4-9
right side 4-10
RIP board 4-11
solenoid 4-9
top 4-6
density sensor 4-15
drive gear unit sensor assembly 4-15
duplex unit 4-54
connector 4-53
feed roller and solenoid 4-55
paper carrying motor 4-57
pressure roller and solenoid 4-55
side fence motor assembly 4-56
side fence removal 4-56
timing belt 4-54
duplex unit connector 4-14
electronic box 4-16
eraser 4-21
face down guide assembly 4-32
face up paper exit assembly 4-17
finisher
control board
4-64
elevator motor 4-65
external covers 4-63
feed motor assembly 4-65
hole punch 4-66
inverter paper exit discharge brush 4-67
inverter paper exit roller 4-67
jogging unit 4-68
path select gate removal 4-69
power supply 4-72
registration roller 4-73
registration roller clutch 4-73
stack area discharge brush 4-74
staple unit 4-74
straight paper exit discharge brush 4-75
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