Controller To Engine Communications Failure; Engine Nvram Error - Xerox 6200B - Phaser Color Laser Printer Service Manual

Controller to Engine Communications Failure

Code 81: This is a communication failure between the Image Processor Board and
the engine control board.
Note: When replacing the Image Processor Board, the NVRAM,
memory, configuration chip ('i' button) and the hard drive
must be transferred to the new Image Processor Board.
Troubleshooting Procedure Table
Steps Actions and Questions
1 Cycle power to the printer. Is the error
cleared?
2 Is the error cleared by reseating the
Image Processor Board to Engine Control
Board.
3 Is the error cleared after replacing the
Image Processor Board?
See note above.

Engine NVRAM Error

Code 83:
Engine NVRAM is being corrupted or receiving erroneous data from a
CRUM.
Troubleshooting Procedure Table
Steps Actions and Questions
1 Cycle power to the printer.
Does the error still appear?
2 Perform the troubleshooting procedure on
page 71 for codes 45 & 46.
Did this resolve the problem?
3 Perform the troubleshooting procedure,
Code 75, "Imaging Unit Firmware
Failure" on page 77.
Did this resolve the problem?
78
Yes
Complete
Complete
Complete
Yes
Go to step [2].
Complete
Complete
Phaser 6200 Color Laser Printer - Service Manual
No
Go to step [2].
Go to step [3].
Replace the
Engine Control
Board,
RRP 12.7.
No
Complete
Go to step [3].
Replace the
Engine Control
Board, RRP 12.7.