• Code: 1900
• Description: Paper feeder EEPROM error
  When writing the data, the write data and the read data is not continuously in agreement 4 times.
• Causes: Defective PWB. Device damage of EEPROM.
• Remedy: Defective PWB. Replace the PF main PWB (Refer to the service manual of the paper feeder).
  Device damage of EEPROM. Contact the Service Administrative Division.

• Code: 2101
• Description: Developer motor K steadystate error
  The rated speed signal detected the stability OFF continuously for 1 s after the developer motor K stabilizes.
• Causes: Defective connector cable or poor contact in the connector. Defective drive transmission system. Defective motor. Defective PWB.
• Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity of the connector cable. If necessary, replace the cable. Developer motor K and engine PWB (YC4)
  Defective drive transmission system. Check if the rollers and gears rotate smoothly. If not, grease the bushings and gears. Check for broken gears and replace if necessary.
  Defective motor. Replace the Developer motor K.
  Defective PWB. Replace the engine PWB and check for correct operation.

• Code: 2102
• Description: Developer motor YCM steady-state error
  The rated speed signal detected the stability OFF continuously for 1 s after the developer motor YCM stabilizes.
• Causes: Defective connector cable or poor contact in the connector. Defective drive transmission system. Defective motor. Defective PWB.
• Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. Developer motor YCM and engine PWB (YC3)
  Defective drive transmission system. Check if the rollers and gears rotate smoothly. If not, grease the bushings and gears. Check for broken gears and replace if any.
  Defective motor. Replace the Developer motor YCM.
  Defective PWB. Replace the engine PWB and check for correct operation.

• Code: 2111
• Description: Developer motor K startup error
  Developer motor K is not stabilized within 3 s since the motor is activated.
• Causes: Defective connector cable or poor contact in the connector. Defective drive transmission system. Defective motor. Defective PWB.
• Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity of the connector cable. If necessary, replace the cable. Developer motor K and engine PWB (YC4)
  Defective drive transmission system. Check if the rollers and gears rotate smoothly. If not, grease the bushings and gears. Check for broken gears and replace if necessary.
  Defective motor. Replace the Developer motor K.
  Defective PWB. Replace the engine PWB and check for correct operation.

• Code: 2112
• Description: Developer motor YCM startup error
  Developer motor YCM is not stabilized within 3 s since the motor is activated.
• Causes: Defective connector cable or poor contact in the connector. Defective drive transmission system. Defective motor. Defective PWB.
• Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If necessary, replace the cable. Developer motor YCM and engine PWB (YC3)
  Defective drive transmission system. Check if the rollers and gears rotate smoothly. If not, grease the bushings and gears. Check for broken gears and replace if necessary.
  Defective motor. Replace the Developer motor YCM.
  Defective PWB. Replace the engine PWB and check for correct operation.

• Code: 2201
• Description: Drum motor K steady-state error
  The rated speed signal detected the stability OFF continuously for 1 s after the drum motor K stabilizes.
• Causes: Defective connector cable or poor contact in the connector. Defective drive transmission system. Defective motor. Defective PWB.
• Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. Drum motor K and engine PWB (YC3)
  Defective drive transmission system. Check if the rollers and gears rotate smoothly. If not, grease the bushings and gears. Check for broken gears and replace if any.
  Defective motor. Replace the Drum motor K.
  Defective PWB. Replace the engine PWB and check for correct operation.

• Code: 2202
• Description: Drum motor YCM steadystate error
  The rated speed signal detected the stability OFFcontinuously for 1 s after the drum motor YCM stabilizes.
• Causes: Defective connector cable or poor contact in the connector. Defective drive transmission system. Defective motor. Defective PWB.
• Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. Drum motor YCM and engine PWB (YC3)
  Defective drive transmission system. Check if the rollers and gears rotate smoothly. If not, grease the bushings and gears. Check for broken gears and replace if any.
  Defective motor. Replace the Drum motor YCM.
  Defective PWB. Replace the engine PWB and check for correct operation.

• Code: 2211
• Description: Drum motor K startup error
  Drum motor K is not stabilized within 3 s since the motor is activated.
• Causes: Defective connector cable or poor contact in the connector. Defective drive transmission system. Defective motor. Defective PWB.
• Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. Drum motor K and engine PWB (YC3)
  Defective drive transmission system. Check if the rollers and gears rotate smoothly. If not, grease the bushings and gears. Check for broken gears and replace if any.
  Defective motor. Replace the Drum motor K.
  Defective PWB. Replace the engine PWB and check for correct operation.