4. Troubleshooting
Code
Displayed Name
Meaning
I/O
Status
107-0070
Black THV Bias Read
Detect what the THV value is on the THV
Roller
Input
Numeric 3 digits
109-0000
Fuser Temperature A
Detects what the temperature A is on fuser
Input
Numeric 3 digits
110-0000
LSU Motor1 Run Ready
Detects if LSU motor1 runs at normal speed
Input
High[Low]
110-0060
LSU Motor1 Run
LSU Motor1 On/Off
Output
On[Off]
110-0110
LSU LD Power4
LSU LD4 Power On/Off (black)
Output
On[Off]
110-0170
LSU Hsync4
Detect LSU Motor Hsync Signal
Input
High[Low]
NOTE
Acronyms and Abbreviations
•
DEV Bias- Developing High Voltage Bias
•
EDC - Embedded Diagnostic Control
•
F/W – Firmware
•
HVPS – High Voltage Power Supply
•
H/W - Hardware
•
LD – Laser Diode
•
LSU – Laser Scanning Unit
•
MHV - Main High Voltage (Charge Voltage)
•
OPC - Optical Photo Conductor
•
SCF - Second Cassette Feeder
•
THV - Transfer High Voltage
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