RICOH MPC300 MPC400 MPC300SR MPC400SR Error sc 230, 222, 220, 204, 203, 202
Errer Code sc230 sc222 sc220 sc204 sc203 sc202 Color Copier Ricoh Code sc for Laser Unit replacement Aficio MPC301, MPC400, MPC401. Problems: Polygon Motor Error, Defective Polygon Motor, Broken Polygon Board. Dust in the laser beam path. Clean the laser beam path. Or replace LSU UNIT.
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Laser synchronizing detection Error:
sc202 Polygon motor error 1: ON timeout
sc203 Polygon motor error 2: OFF timeout
sc204 Polygon motor error 3: XSCRDY signal error
sc220 Laser synchronizing detection error: start position [K]: LD0
sc222 Laser synchronizing detection error: start position [Y]: LD0
Before removing the old laser unit:
Do the following settings before removing the laser unit. These are adjustments for skew adjustment motors in the laser unit, main scan start position, and laser diode power.
1. Plug in and turn on the main power switch of the machine.
2. Enter the SP mode.
3. Execute SP2-220-001 to clear the mirror positioning motor setting for Cyan.
4. Execute SP2-220-002 to clear the mirror positioning motor setting for Magenta.
5. Execute SP2-220-003 to clear the mirror positioning motor setting for Yellow.
6. Execute SP2-180-004 for clearing main scan start position adjustment setting.
7. Execute SP2-153-001 for clearing LD power.
8. Exit the SP mode.
9. Turn off the main power switch and disconnect the power cord of the copier.
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SC Code Classification for RICOH MPC305:
sc202-01 Polygon motor error 1: ON timeout: Bk, Cy
sc202-03 Polygon motor error 1: ON timeout: Ma, Ye
The polygon mirror motor does not reach the targeted operating speed within the specified time after turning on or changing speed.
• Defective or disconnected harness to polygon motor driver board
• Defective polygon motor driver board
• Defective polygon motor
1. Replace the polygon motor.
2. Replace the laser optics housing unit.
3. Replace the harness.
4. Replace the BICU.
sc203-01 Polygon motor error 2: OFF timeout: Bk, Cy
sc203-01 Polygon motor error 2: OFF timeout: Ma, Ye
sc204-01 Polygon motor error 0: XSCRDY signal error: Bk, Cy
sc204-03 Polygon motor error 1: XSCRDY signal error: Ma, Ye
sc220-01 Laser synchronizing detection error: start position LD1: Bk
sc220-02 Laser synchronizing detection error: start position LD1: Ma
The laser synchronizing detection signal for the start position of the LDB is not
output for the prescribed time after the LDB unit turns on while the polygon motor
is rotating normally
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