Xerox Phaser 7760 - Page 67

January 2010
2-31
Phaser 7760 Color Laser Printer
004-332, 004-333
Status Indicator RAP’s
Revised
004-332 Engine Control Board Fuse F2 Open
Fuse F2 on the Engine Control Board is open.
Troubleshooting References
Troubleshooting Procedure
NOTE: No error message will be displayed if Fuse F2 on the Engine Control Board opens dur-
ing the printing process. After power is cycled, the 004-332 error code should be displayed.
Fuse F2 on the Engine Control Board provides circuit protection through the following P/Js.
Verify that there are no short circuits or components that would cause this Fuse to open again
if replaced.
• P400, pin 1
• P402, pin 6
• P403, pin B1, pin B17
• P404, pin A6, pin A10, pin B2
004-333 Engine Control Board Fuse F3 Open
Fuse F3 on the Engine Control Board is open.
Troubleshooting References
Troubleshooting Procedure
NOTE: No error message will be displayed if Fuse F3 on the Engine Control Board opens dur-
ing the printing process. After power is cycled, the 004-333 error code should be displayed.
Fuse F3 on the Engine Control Board provides circuit protection through the following P/Js.
Verify that there are no short circuits or components that would cause this Fuse to open again
if replaced.
• P404, pin A4
• P406, pin 9
Table 1 References
Applicable Parts Parts List Wiring and Plug/Jack References
Engine Control Board
(MCU PWB)
PL 13.1 Section, Engine Control Board (MCU PWB) Plug/
Jack Locations - Figure 15
Block Schematics and Wiring Schematics - Chain 13
Table 1 References
Applicable Parts Parts List Wiring and Plug/Jack References
Engine Control Board
(MCU PWB)
PL 13.1 Section, Engine Control Board (MCU PWB) Plug/
Jack Locations - Figure 15
Block Schematics and Wiring Schematics - Chain 13