Engine Control Board Replacement - Ricoh G031 Service Manual

12 March 1999

6.6.3 ENGINE CONTROL BOARD REPLACEMENT


CAUTION
Before replacing the engine control board, do the following:
Make sure that there is no print data in the printer buffer (the Data In LED must
not be lit or blinking).
It there is some data in the buffer, wait until all data has been printed.
NOTE: Before replacing the engine board, print out the print log (see "Service
Program Mode - Print Log" in section 4).
1. Remove the control board cover. (Refer to Control Board Cover Removal,
section 6.1.3.)
2. Replace the engine control board [A]. (4 screws and all connectors).
3. Take the EEPROM (IC5) [B] off the old board, and put it on the new board.
SM
[B]
[A]
6-27
OTHERS
G031R537.WMF
G031/G032