Replacement And Adjustment; Controller; For Model #C249 - Ricoh C249 Service Manual

CONTROLLER

2. REPLACEMENT AND ADJUSTMENT


CAUTION
Before removing any of the controller components, do the following:
1. If the 'data-in' lamp on the operation panel is blinking or lit, wait until the
document or report is printed. Then turn off the machine.
2. Turn off the main switch and disconnect the power cord and the cable.
NOTE: The meaning of those symbols and abbreviations are as follows:
Screw:  Connector: 
2.1 CONTROLLER
NOTE: 1) When replacing the controller board, remove the NVRAM from the
defective board. Then install the NVRAM on the new board.
2) If the controller does not start up after a firmware update, try to
download the firmware again. If that does not work, you may need to
replace the controller board.

For model #C249

[A]: Rear cover
C624
[A]
14
C624R000.WMF
SM