Engine Sc - Ricoh MD-P2 Field Service Manual

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Engine SC

SC 2xx (Laser Optics Error)
Polygon motor error 1: ON timeout
202
The polygon mirror motor does not reach the targeted operating speed within 5 sec. after
D
turning on or changing speed
Polygon motor error 2: OFF timeout
203
The polygon mirror motor does not leave the READY status within 3 sec. after the polygon
D
motor switched off.
Polygon motor error 3: XSCRDY signal error
The SCRDY_N signal remains HIGH for 350 ms while the LD unit is firing.
• Polygon motor/driver board harness loose or disconnected
• Polygon motor/driver board defective
204
• Laser optics unit defective
D
• IPU (EGB) defective
1. Replace the interface harness of the laser optics unit.
2. Replace the laser optics unit.
3. Replace the EGB (Engine Board).
Laser Synchronizing Detection Error: [K]/[Y]
220
The laser synchronizing detection signal for LDB [K]/[Y] is not output after the LDB unit has
D
turned on while the polygon motor is rotating normally.
SC Conditions
6
193

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