Xerox Phaser 7100

Error Troubleshooting
Xerox Internal Use Only Phaser 7100 Service Manual 2-415
X,X,X,X O,O,X,X DDR memory read check & zero
clear has completed
RAM ON: RAM Error
X,X,X,X O,O,X,O Copy to memory for Panbug
program (TEXT portion)
ROM/
RAM
ON: ROM/ RAM
Error
X,X,X,X O,O,O,X Copy to memory for Panbug
program (BASE portion)
ROM/
RAM
ON: ROM/ RAM
Error
X,X,X,X O,O,O,O FPU register test has completed I/P PWB ON: I/P PWB Error
X,X,X,O X,X,X,X Jump preparation to CCode has
completed
I/P PWB ON: I/P PWB Error
X,X,O,X X,O,X,X Standard RAM diagnostic start RAM ON: Standard
RAM Error
116-315
X,X,O,X X,O,X,O Standard RAM diagnostic
completed
X,X,O,X X,O,O,X Extension RAM diagnostic start RAM ON: Extension
RAM Error
116-316
X,X,O,X X,O,O,O Extension RAM diagnostic
completed
X,X,O,X O,X,X,X Standard ROM diagnostic start ROM ON: Standard
ROM Error
116-317
X,X,O,X O,X,X,O Standard ROM diagnostic
completed
X,X,O,X O,X,O,X NVRAM diagnostic start NVM/
I/P PWB
ON: NVRAM Error 116-323
X,X,O,X O,X,O,O NVRAM diagnostic completed
X,X,O,O X,X,X,O Transition from MiniOS to
CORE (DIAG) completed
O,O,X,X X,X,O,X UI Cable Disconnect Detection UI/ I/P
PWB
ON: UI Cable
Connection Error
116-326
O,O,X,X X,X,O,O MCU Harness Disconnect
Detection
MCU/
I/P PWB
ON: MCU
Harness
Connection Error
116-328
X,O,X,X X,X,X,X IO ASIC diagnostic start I/P PWB ON: ASIC Error
X,O,X,X X,X,X,O IO ASIC diagnostic completed
Assessment Based on LED ON/ OFF States (Continued)
Main Unit
Lower
Main Unit
Upper
State/ Condition
Related
H/W
Failure
Location/
Details
Chain-Link
7,6,5,4 3,2,1,0