Error Recovery; Controller; Nib/Engine Board - Gestetner G056 Service Manual

5.4.2 ERROR RECOVERY

Controller

If an error occurs during updating the controller firmware, use the following
procedure. This procedure will force the controller to boot from the IC card.
1. Prepare two FlashROM cards with the required controller firmware version.
2. Turn off the machine and remove the controller.
3. Change the DIP switch 2 - No. 1 setting to "ON".
4. Put back the controller and insert the first card into the FlashROM card slot on
the controller.
NOTE: When you see the machine from the back, the "A" side of the card must
face the right.
5. Turn on the machine. The machine automatically starts to download the
software.
6. When downloading is finished, "Update done" is displayed.
7. Turn off the machine, remove the first card, and insert the second card.
8. Repeat steps 5 and 6.
9. Turn off the machine, remove the first card, and reset the DIP switch 2 - No.1
setting to "OFF". Then, put back the controller.
NOTE: The default settings of the DIP switches are all 'OFF'.
10. Turn on the machine, and print the service summary report.

NIB/Engine Board

If a download attempt failed, try downloading the new firmware again using the
procedure described in section 5.4.1.
SM
Controller Board
NIB
S W 2
5-15
FIRMWARE UPDATE PROCEDURE
Engine Board
Bit 4 3 2 1 OFF
O N
G056T500.WMF
G056/G058