Ricoh B089 - Page 418

SERVICE CALL CONDITIONS
B089/B093 7-10 SM
Code No. Symptom Possible Cause
Finisher shift motor error (1000-sheet
finisher)
732 B
Roller shift does not finish within a
certain time after the shift motor turned
on.
• Shift motor defective
• Shift tray HP sensor defective
Shift tray shift motor error 770 B
During a shift operation the sensor
state did not change (off to on, or on to
off) within 2.4 sec.
• Shift sensor defective
• Shift motor defective
Bridge communication error 791 B
The SBCU cannot communicate with
the bridge unit properly when the
finisher is installed.
• Poor connection between the main
machine and bridge unit
• SBCU board defective
Finisher connection error 792 B
The SBCU cannot communicate with
the finisher properly when the bridge
unit is installed.
• Poor connection between the finisher
and bridge unit
• SBCU board defective
Interchange communication error 793 B
The SBCU cannot communicate with
the interchange unit properly when the
duplex unit is installed.
• Poor connection between the
interchange unit and main machine
• SBCU board defective
Startup without video output end error
(K)
800 D
Video transfer to the engine is started,
but the engine did not issue a video
transmission end command within the
specified time.
Controller board defective
Startup without video input end (K) 804 D
A video transmission was requested
from the scanner, but the scanner did
not issue a video transmission end
command within the specified time.
Controller board defective
Watchdog error 818 D
The CPU does not access the
watchdog register within a certain time.
• Controller board defective
• Software malfunction – download
controller firmware again
Kernel mismatch error 819 D
Software bug
Download controller firmware again
Self-Diagnostic Error: CPU 820 D
The central processing unit returned an
error during the self-diagnostic test.
• Controller board defective
• Download controller firmware again
Self-Diagnostic Error: ASIC 821 D
The ASIC returned an error during the
self-diagnostic test because the ASIC
and CPU timer interrupts were
compared and determined to be out of
range.
Controller board defective
Self-Diagnostic Error: HDD 822 D
The hard disk drive returned an error
during the self-diagnostic test.
• HDD defective
• HDD connector defective
• Controller board defective
Self-diagnostic Error: NIB 823 D
The network interface board returned
an error during the self-diagnostic test.
• Network interface board defective
• Controller board defective