Laser & Polygon replacement RICOH MP4000 MP4001 MP5000 MP5001 for Service

Polygonal Mirror Motor REPLACEMENT AND ADJUSTMENT when copier display Call for Service Erreo Code: sc202, sc203, sc204.
Error Code sc202 The polygon mirror motor does not reach the targeted operating speed within 10 sec. after turning on or changing speed.
Error Code sc203 The polygon mirror motor does not leave the READY status within 3 sec. after the polygon motor switched off.
Error Code sc204 The SCRDY_N signal remains HIGH for 200 ms while the LD unit is firing.
Polygon motor/driver board harness loose or broken
Polygon motor/driver board defective
Laser optics unit defective
BICU defective
After replacing the polygon mirror motor, do the image adjustment. Use the Trimming Area Pattern (SP2-109-1, No. 14) to print the test pattern.
Registration - Leading Edge/Side-to-Side
Blank Margin
Main Scan Magnification - Use SP2-109-001 no 5 (Grid Pattern) to print a single dot pattern.

System SP 2106* POL REV TIME (Polygon motor rotation time)
001 PRE TIME [0 to 60 / 10 /1 sec]
Adjusts the time of polygon motor rotation before a job.
If this is set to "0", this SP is not activated.
002 POST TIME [0 to 60 / 0 /1 sec]
Adjusts the time of the polygon motor rotation after a job.
If this is set to "0", the polygon motor never switches off in standby mode.
However, if the machine enters the energy saver mode, the polygon motor
will ignore the zero setting and switch itself off.

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