Ricoh G035 Service Manual page 520

Rev. 11/2000
⇒
However, the firmware can be downloaded from the ROM DIMM with this
function by following the procedure below.
C S 0
T B 1
C S 1
Printer Controller
1. Remove the printer controller.
2. Change the position of the TB1 jumper [A] on the controller from CS0 to
CS1.
3. Change the position of the TB1 jumper [B] on the ROM DIMM that contains
the controller firmware from CS1 to CS0.
4. Install the ROM DIMM on the controller.
CAUTION: Make sure to install the correct ROM DIMM in the PS SIMM
5. Install the printer controller and turn on the machine.
6. Enter SP mode.
7. Choose "1-3 – Copy ROM".
8. Press "Yes" in response to the confirmation message.
9. After successfully downloading the firmware, turn off the machine and
remove the printer controller. Next, remove the ROM DIMM.
10. Reposition the jumpers on the printer controller and ROM DIMM.
11. Reinstall the printer controller and turn on the machine.
12. Check to see that the printer controller starts up properly.
Downloading from the controller to ROM DIMM
1. Remove the printer controller.
2. Install the ROM DIMM on the controller.
3. Install the printer controller and turn on the machine.
4. Enter SP mode.
5. Choose "1-3 – Copy ROM".
SM
[A]
C S 0
T B 1
C S 1
C N 1
connector.
4-23
4-22A
DOWNLOADING NEW FIRMWARE
C S 1 C S 1
T B 1 T B 1
C S 0 C S 0
IC9 IC10
R O M D I M M
A850M500.WMF
[B]
G035