Main Control Board; Nvram/Eeprom Replacement Procedures; Eeprom On The Ecb - Ricoh G092 Service Manual

ELECTRICAL COMPONENTS

3.10.3 MAIN CONTROL BOARD

NOTE: After replacing the controller, remove the NVRAM on the old board and
install it on the new board. If the NVRAM on the old board is defective,
replace the NVRAM (! 3.10.4).
[A]: Main control board ( x 2)

3.10.4 NVRAM/EEPROM REPLACEMENT PROCEDURES

Before beginning the following procedures, make sure you have the printer's
original SMC report (factory settings) available.

EEPROM on the ECB

1. Enter SP mode and print out the SMC reports with SP5-990 if possible.
2. Turn off the main switch and unplug the power cord.
3. Replace the EEPROM (IC5) on the ECB and reassemble the machine.
4. Execute the RAM clear for the engine settings with SP5-801-2.
5. Enter the SP mode changes from the factory in the field.
6. Input the engine serial number with SP-5-811-4.
G081/G092 3-30
[A]
G081R947.WMF
SM