Ricoh M001 Service Manual page 93

Rev. 11/03/2009
835 The controller detects that the
⇒
(1102) loop-back connector is not properly
connected.
(110C) A DMA data abnormality is detected
even when the loopback connector is
properly set.
(1120) The loop-back connector is not set
when starting the detailed
self-diagnostics.
Self-diagnostic Error: Clock
Generator
838 D
A verify error occurred when setting
data was read from the clock
generator via the I2C bus.
IEEE 1394 I/F error
851 B
Driver setting incorrect and
cannot be used by the 1394 I/F.
SM
• Loose connection
• Defective loop-back connector
• Defective Centronics connector
• Defective controller
1. Turn the main switch off and on.
2. Check the connection between
the Centronics connector and
loop-back connector.
3. Reconnect the loop-back
connector.
4. Replace the controller.
Replace the controller board
NIB (PHY), LINK module defective;
change the Interface Board
Controller board defective
4-13
Service Call Conditions
M001