Ricoh R-C4 Service Manual page 157

21 July 2006
Code No.
101 B Exposure lamp error 1
The standard white level was not
detected properly when scanning the
white plate.
102 B Exposure lamp error 2
The exposure lamp was on longer than
the allowed time (3 min.) after scanning
of the originals was completed.
120 D Scanner home position error 1
The scanner home position sensor does
not detect the on condition during
initialization or copying.
121 D Scanner home position error 2
The scanner home position sensor does
not detect the off condition during
initialization.
122 B Scanner HP Sensor – Error 1
The HP sensor remains on while the
carriage is returning to the home
position.
123 B Scanner HP sensor – Error 2
The HP sensor does not switch on after
the carriage has returned to the home
position.
141 C Black offset correction error
Black offset could not be corrected after
SP4800 was done.
143 C SBU auto adjust error
The machine could not acquire the white
or black peak level setting at power on,
or after SP4428 (SBU Auto Adjust) was
done.
144 B SBU connection error
The IPU does not detect the SBU
connection signal.
165 B Copy Data Security Unit error
An error occurred when the machine
attempted to recognize the Copy Data
Security Unit board.
193 B Image transfer error
The IPU board does not finish within 1
minute after the image data has been
transferred to the controller board.
Symptom
4-3
SERVICE CALL CONDITIONS
Possible Cause
• Exposure lamp defective
• Lamp stabilizer defective
• Exposure lamp connector defective
• Standard white plate dirty
• Scanner mirror or scanner lens out
of position or dirty
• SBU defective
• SBCU defective
• IPU defective
• Controller board defective
• Scanner motor defective
• Scanner motor drive board defective
• Scanner HP sensor defective
• Harness between SBCU and HP
sensor loose, disconnected,
damaged
• Harness between SBCU and
scanner motor loose, disconnected,
damaged
• SBCU defective
• Scanner wire, timing belt, pulley, or
carriage defective
• Lens block defective
• SBCU defective
• Exposure lamp disconnected
• There is no blank sheet of A3 size
paper on the platen
• White plate dirty or missing
Harness between SBU and IPU board
loose, disconnected, or damaged.
• The Copy Data Security Unit board
is not installed
• The Copy Data Security Unit board
is installed, but it is not the correct
type for the machine.
• IPU board defective
• Controller board defective
• Video controller defective