Ricoh SH-P1 M020 Field Service Manual page 260

6. Troubleshooting
833
Self-diagnostic error 8: Engine I/F
ASIC
D
50B1
The system control could not initialize
or read the bus connection.
833
Self-diagnostic error 8: Engine I/F
ASIC
D
50B2
Value of the SSCG register is
incorrect.
IEEE 1394 I/F error
6
851 B
Driver setting incorrect and cannot be
used by the 1394 I/F.
Wireless LAN Error 1
853 B
During machine start-up, the machine
can get access to the board that holds
the wireless LAN, but not to the
wireless LAN card (802.11b or
Bluetooth).
Wireless LAN Error 2
During machine operation, the
854 B
machine can get access to the board
that holds the wireless LAN, but not to
the wireless LAN card (802.11b or
Bluetooth).
258
• Loose connection at the engine board
• ASIC (engine board defective)
1. Check for loose connections at the
engine board.
2. Replace the engine board.
• Loose connection at the engine board
• ASIC (engine board defective)
1. Check for loose connections at the
engine board.
2. Replace the engine board.
• NIB (PHY), LINK module defective
• Controller board defective
1. Change the interface board.
2. Replace the controller board.
• Wireless LAN card missing (was
removed)
• Improper installation of the Wireless LAN
card
1. Turn the power switch Off and On.
2. Install the wireless LAN card properly.
• Wireless LAN card missing (was
removed) during operation
1. Once turn off the oower, reinstall the
wireless LAN card, and then turn on the
power.
2. Insert the wireless LAN card firmly.