Ricoh B003 Service Manual page 585

3.4 FIRMWARE UPDATE PROCEDURE
Firmware updating procedure is described in section 5.2 of the main unit service
manual.
3.5 POWER-ON SELF TEST
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
• HDD
• Refer to section 4.1.2 of the main unit service manual for how to check the error
codes (SP 7-832).
3.6 SELF DIAGNOSTIC TEST
In addition to the power-on self test, you can set the machine in a more detailed
diagnostic mode to test other components and conditions.
It 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.
• Refer to section 4.1.2 of the main unit service manual for how to check the
error codes (SP 7-832).
SM
CÓPIA NÃO CONTROLADA
3-11
CÓPIA NÃO CONTROLADA
FIRMWARE UPDATE PROCEDURE
B003/B004/B006/B007