Remote Firmware Update (Rfu) [All Models]; Loop-Back Test [All Models]; Power-On Self Tests [All Models] - Ricoh G112 Service Manual

5.6 REMOTE FIRMWARE UPDATE (RFU) [ALL MODELS]

The G112 Series and G116 Series printers have the capability to receive Remote
Firmware Update (RFU) information. However, the process to perform this
procedure is being finalized.
When the RFU procedure has been finalized, update documentation for this
procedure will be cascaded.
NOTE: 3) Before you do the RFU procedure the machine must be in the Frame
Priority setting. This can be set in the memory priority function of the
system menu of the user tools. The reason for this is the Frame Priority
setting uses less of the installed system memory than the Font Priority
setting.
4) You cannot do the RFU if the machine is set to the Font Priority.

5.7 LOOP-BACK TEST [ALL MODELS]

This self-diagnostic test requires a loop-back connector (P/N: G0219350).
1. Turn off the machine and attach the loop-back connector to the parallel
interface.
2. Turn on the machine while pressing the "On Line" key and "# Enter" key
together.
3. The machine prints the diagnostic report automatically.
• To check the error codes, use engine SP mode 7832.
• Refer to section 4.2 for details about the error codes.

5.8 POWER-ON SELF TESTS [ALL MODELS]

The controller tests the following devices at power-on. If an error is detected, an
error code is stored in the controller board.
• CPU, ASIC and clock
• Flash ROM
• Resident and optional SDRAM
• Parallel interface
• NIB
• IEEE1394 interface (if installed)
• NVRAM
• Optional HDD (if installed)
• To check the error codes, use engine SP mode 7832.
• Refer to section 4.2 for details about the error codes.
SM
REMOTE FIRMWARE UPDATE (RFU) [ALL MODELS]
5-33 G112/G113/G116/G094/G095/G091