Controller; Replacement Procedure; After Replacement - Ricoh G157 Service Manual

CIRCUIT BOARD

3.13.2 CONTROLLER

Replacement procedure

1. Start the "MAINTENANCE MODE".
2. Print the "Printout of firmware switch setting" (
NOTE: Keep this printout. You cannot move these settings from the old
controller to the new one.
3. Left rear cover (
4. Controller box cover [A] (
5. Harness guide [B]
6. Replace the controller [C] (
connectors) when the printer is off.

After replacement

The controller setting data is cleared after you replace the controller board or
initialize the NVRAM on the controller board. Do the following adjustments with the
"MAINTENANCE MODE" (
initialize the EEPROM on the controller board.
The adjustments for replacing a controller board are different depending on the
destination. Select the appropriate procedures from the table below.
Destination
EUROPE/ OCEANIA
USA/ ASIA
Procedure 1
1. Plug in and turn on the main power switch of the machine if the machine does
not turn on.
2. Hold down "1" and "3" at same time if "SET COUNTRY" and "PRESS SET
KEY" appear alternately on the LCD. If not, skip this step.
3. Do the EEPROM Customizing (Function mode 74 in the "Maintenance mode"
5.2.3).
NOTE: For Oceania or Europe version, skip this step.
4. Do the EEPROM Parameter Initialization (Function mode 01 or 91 in the
"Maintenance mode"
5. Do the ID Code Entry for the EEPROM.
1) Enter the "Function Mode 80" in the "Maintenance mode" (
2) Press "9", "4", "7" and "5" keys in this order.
G157
3.1.3)
x 1)
x 6, All
5.2.3) after you replace the controller board or
Do Procedure 2, and then Procedure 1
5.2.3).
3-34
5.2.3 "Function mode 11").
[A]
[C]
[B]
Adjustment Procedure
Do Procedure 1
G157R580.WMF
5.2.3).
SM