I-6 Service Manual
7541-03x
842.00 No response / 842.01 HW protocol / 842.02
Logical protocol
2-58
843.00 Carriage Home 2-59
844.00 Lamp failure (Front side) 2-59
849.01 Device had modem installed, but config ID
indicates it should not
2-59
849.10 Device had HD installed, but config ID indicates
it should not
2-59
900.xx System software error 2-60
941 SDRAM R/W error 2-62
941.03 - CPU error 2-63
941.04 - MCD controller error 2-63
941.05 - EEPROM error 2-63
959.xx - Service invalid firmware error 2-65
abnormal fuser temperature error 2-48
SIZE SENSING 3-12
Speaker removal 4-25
specifications 1-6
acoustics 1-5
clearances 1-4
dimensions 1-4
electrical 1-4
environment 1-5
memory 1-6
performance 1-6
Power specifications 1-4
processor 1-6
Static discharge brush removal 4-180
Stepper motor removal 4-200
Sub drive unit removal 4-84
Sub frame unit removal 4-104
T
Temperature and humidity sensor removal 4-101
Theory of operation
Color theory
3-47
Printer engine 3-29
Scanner 3-44
Theta sensor removal 4-56
Toner sensor removal 4-97
tools required 1-15
Torque limiter removal 4-181
Transfer belt – CRU removal 4-40
Transfer belt motor removal 4-100
transfer belt position sensor removal 4-41
Transfer belt up down check 2-93
Transfer Roll - CRU removal 4-72
Transport sensor removal 4-198
Tray lift motor removal 4-201
U
Unable to print from USB thumb drive service check 2-94
Upper and lower registration springs removal 4-181
USB HS Test Mode 3-23
USB port service check 2-86
USB Scan to Local 3-11
User attendance messages (0–99) 2-69
W
waste toner bottle missing service check 2-94
Words on fax are stretched 2-83
Wrong paper size service check - tray1 2-95
Wrong paper size service check - tray2 2-95
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