Ricoh B156 Service Manual page 201

No.
Definition
672 D Controller-to-operation panel communication error at startup
After powering on the machine,
communication between the controller
and operation panel does not begin,
or the communication is interrupted
after a normal startup.
685 D SBU/IPU communication error
While data is sent between the
scanner and BICU board, a
communication error has occurred.
687 D PER command error
Some image data is transferred. →
The controller does not report the
necessary memory address.
720 D Finisher jogger motor error (500-sheet finisher)
• The finisher jogger H.P sensor
remains de-activated for a certain
time when returning to home
position.
• The finisher jogger H.P sensor
remains activated for a certain time
when moving away from home
position.
722 B Finisher jogger motor error (1000-sheet finisher)
The finisher jogger H.P sensor
remains de-activated for a certain
time when returning to home position.
The finisher jogger H.P sensor
remains activated for a certain time
when moving away from home
position.
724 B Finisher staple hammer motor error (1000-sheet finisher)
Stapling hammer motor jam is
detected consecutively twice after the
staple hammer motor turned on.
725 B Finisher stack feed-out motor error (1000-sheet finisher)
The stack feed-out motor jam is
detected consecutively twice after the
stack feed-out motor turned on.
SM
CÓPIA NÃO CONTROLADA
Symptom
4-11
CÓPIA NÃO CONTROLADA
Possible Cause
• Controller stalled
• Controller board installed incorrectly
• Defective controller board
• Operation panel connector loose or
defective
• Poor connection of DIMM and optional
boards on the controller board
• Defective scanner unit cable
• Defective SBU board
• Defective BICU board
• Poor connection between BICU and
controller
• Defective BICU
• Defective controller
• Jogger HP sensor defective
• Jogger motor defective
• Defective finisher control board
• Defective BICU
• Defective IOB
• Incorrect installation
• Jogger HP sensor defective
• Jogger motor defective
• Defective finisher control board
• Defective BICU
• Defective IOB
• Incorrect installation
• Staple jam
• Stapler overload caused by trying to
staple too many sheets
• Staple hammer motor defective
• Stapler home position sensor defective
• Defective finisher control board
• Defective BICU
• Defective IOB
• Incorrect installation
• Stack feed-out HP sensor defective
• Stack feed-out motor defective
• Defective finisher control board
• Defective BICU
• Defective IOB
• Incorrect installation
SERVICE CALL
B156/B220