Ricoh B234 - Page 36

SERVICE CALL CONDITIONS
B234/B235/B236/D101/D102/D103 4-34 SM
Engine Startup Error
SC670 B
At power on or after the machine leaves the
energy conservation mode:
• ENGRDY signal does not assert
• IPURDY signal does not assert
After power on and the prescribed time has
elapsed:
• No EC response from the engine
• No PC response from the engine
• No SC response from the engine
During machine operation mode:
• Write to Rapi drive failure (could not locate
destination on the PCI)
• After the /ENGRDY signal asserts with no
effect.
• BCU  Controller Board
disconnected
• BCU board defective
• Controller board defective
• Mother board defective
• Software error; switch off/on,
if that fails, change the
engine firmware
• PSU-E or PSU-C defective
Controller Startup Error
SC672 B
The line between the controller board and the
operation panel does not open correctly
when the machine is powered on, or after the
machine was powered on communication
between the controller and operation panel is
suspended.
The controller board and operation panel
could not exchange the handshake (FDH)
and acknowledge (FEH) signals within 15 s
of the operation panel reset after power on,
or after 2 retries there was no response to
the transmission line confirmation command
issued every 30 s from the operation panel to
the controller board.
• Controller board defective
• Controller board installed
incorrectly
• Operation panel harness
connection loose or incorrect
ADF Pickup Roller Release Malfunction
SC701 B
The pick-up roller HP sensor
does not activate or de-activate
when the pick-up motor turns on.
• HP sensor connector, harness loose,
broken, defective
• Pick-up motor connector, harness loose,
broken defective
• Pick-up roller HP sensor defective
• Pick-up motor defective
• ADF main control board defective
ADF Feed-In Motor Error
SC702 B
While the feed motor is operating, the
encoder pulse signal is not received
within the specified time, or the paper
size length encoder signal cannot be
detected within the specified time (the
encoder is built into the feed-in motor).
• Feed-in motor connector,
harness loose, broken, defective
• Paper length sensor connector,
harness loose, broken, defective
• Feed-in motor defective
• Paper length sensor or encoder
is defective
• ADF main control board defective