January 2010
2-36
Phaser 7760 Color Laser Printer
004-342, 004-343
Revised
Status Indicator RAP’s
004-342 Flash ROM Limit Fail
Limit failure of Flash ROM.
Troubleshooting References
Troubleshooting Procedure
004-343 Flash ROM Read/Write Fail
Flash ROM operation has failed.
Troubleshooting References
Troubleshooting Procedure
Table 1 References
Applicable Parts Parts List Wiring and Plug/Jack References
Engine Control Board
(MCU PWB)
PL 13.1 Section 7, Engine Control Board (MCU PWB) Plug/
Jack Locations - Figure 15
Table 2 Procedure
Step Actions and Questions Yes No
1 Turn the printer power Off, then On. Does
the problem continue?
Replace the Engine
Control Board
(MCU PWB) (REP
1.2).
Return to Service
Call Procedures.
Table 1 References
Applicable Parts Parts List Wiring and Plug/Jack References
Engine Control Board
(MCU PWB)
PL 13.1 Section 7, Engine Control Board (MCU PWB) Plug/
Jack Locations - Figure 15
Table 2 Procedure
Step Actions and Questions Yes No
1 Switch the printer power Off, then On. The
problem continues.
Replace the Engine
Control Board
(MCU PWB) (REP
1.2).
Return to Service
Call Procedures.