Causes: A problem occurred with the CIS or scanner motor in the flatbed scanner: • After CIS power check • After shading • After CIS failed to return to home position
Remedy: • Check the scanner harness connection • Replace the scanner
Code: SC202
Description: Polygon Motor On Timeout Error (C1)
Causes: No lock signal was received within 10 sec. after the polygon motor turned on.
Remedy: • Check the laser unit harness connection • Replace the laser unit
Code: SC203
Description: Polygon Motor Off Timeout Error (C2)
Causes: The lock signal did not go HIGH (inactive) within 20 sec. after the polygon motor turned off.
Remedy: • Check the laser unit harness connection • Replace the laser unit
Code: SC204
Description: Polygon Motor Lock Signal Error (C3)
Causes: Four samplings within 200 ms revealed that the polygon motor lock signal remained HIGH beyond the prescribed number of revolutions.
Remedy: • Check the laser unit harness connection • Replace the laser unit
Code: SC220
Description: Beam Synchronization Error (C4)
Causes: Top cover (or maintenance cover) is down and locked, and the polygon motor is locked, but laser synchronization could not be achieved within 40 msec.
Remedy: • Check the laser unit harness connection • Replace the laser unit
Code: SC268
Description: Laser Scanning Unit thermistor error (C0)
Causes: After the main power switch ON, writing thermistor temperature is detected at 100ms intervals an ... • Less than -30 degrees Celsius is detected for more than 4 seconds (Thermistor defective). • More than 105 degrees Celsius is detected for more than 1 second (Thermistor short).
Remedy: • Check the laser unit harness connection • Replace the laser unit