• Code: C0610
• Description: Bitmap (DIMM) problem • There is a problem with the data or address bus of the bitmap DRAM.
• Causes: Defective main PCB. DIMM installed incorrectly. Defective DIMM.
• Remedy: Replace the main PCB and check for correct operation. Check if the DIMM is inserted into the socket on the main PCB correctly. Replace the DIMM and check for correct operation.

• Code: C0630
• Description: DMA problem • DMA transmission of compressed, decompressed, rotated, relocated or blanked-out image data does not complete within the specified period of time.
• Causes: Defective main PCB.
• Remedy: Replace the main PCB and check for correct operation.

• Code: C0640
• Description: Hard disk drive problem • The hard disk drive cannot be accessed.
• Causes: Poor contact of the hard disk drive connector terminals. Defective hard disk drive. Defective main PCB.
• Remedy: Check the connection of connectors CN2 on the main PCB and hard disk drive, and the continuity across the connector terminals. Repair or replace if necessary. Replace the hard disk drive and check for correct operation. Replace the main PCB and check for correct operation.

• Code: C1010
• Description: Upper lift motor problem [Drawer 1] • When the drawer 1 is inserted, the lift limit switch 1 does not turn on within 5.5 s of the upper lift motor turning on. • During copying, the lift limit switch 1 does not turn on within 200 ms of the upper lift motor turning on.
• Causes: Broken gears or couplings of the upper lift motor. Defective upper lift motor. Poor contact of the lift motor 1 connector terminals. Defective lift limit switch 1. Poor contact of the lift limit switch 1 connector terminals.
• Remedy: Replace the upper lift motor. Check for continuity across the coil. If none, replace the upper lift motor. Reinsert the connector. Also check for continuity within the connector cable. If none, repair or replace the cable. Check if CN 7-6 on the engine PCB goes low when the lift limit switch 1 is turned off. If not, replace the lift limit switch 1. Reinsert the connector. Also check for continuity within the connector cable. If none, repair or replace the cable.

• Code: C1020
• Description: Lower lift motor problem [Drawer 2] • When the drawer 2 is inserted, the lift limit switch 2 does not turn on within 5.5 s of the lower lift motor turning on. • During copying, the lift limit switch 2 does not turn on within 200 ms of the lower lift motor turning on.
• Causes: Broken gears or couplings of the lower lift motor. Defective lower lift motor. Poor contact of the lower lift motor connector terminals. Defective lift limit switch 2. Poor contact of the lift limit switch 2 connector terminals.
• Remedy: Replace the lower lift motor. Check for continuity across the coil. If none, replace the lower lift motor. Reinsert the connector. Also check for continuity within the connector cable. If none, repair or replace the cable. Check if CN7-22 on the engine PCB goes low when the lift limit switch 2 is turned off. If not, replace the lift limit switch 2. Reinsert the connector. Also check for continuity within the connector cable. If none, repair or replace the cable.

• Code: C1100
• Description: Deck right lift motor problem [Drawer 3] • When the drawer 3 is inserted, the Deck lift limit switch 1 does not turn on within 33 s of the deck right lift motor turning on. • During copying, the deck lift limit switch 1 does not turn on within 200 ms of the deck right lift motor turning on.
• Causes: Broken gears or couplings of the deck right lift motor. Defective deck right lift motor. Poor contact of the deck right lift motor connector terminals. Defective deck lift limit switch 1. Poor contact of the deck lift limit switch 1 connector terminals.
• Remedy: Replace the deck right lift motor. Check for continuity across the coil. If none, replace the deck right lift motor. Reinsert the connector. Also check for continuity within the connector cable. If none, repair or replace the cable. Check if CN8-2 on the engine PCB goes low when the deck right lift limit switch 1 is turned off. If not, replace the deck lift limit switch 1. Reinsert the connector. Also check for continuity within the connector cable. If none, repair or replace the cable.

• Code: C1110
• Description: Deck left lift motor problem [Drawer 4] • When the drawer 4 is inserted, the deck lift limit switch 2 does not turn on within 33 s of the deck left lift motor turning on. • During copying, the deck lift limit switch 2 does not turn on within 200 ms of the deck left lift motor turning on.
• Causes: Broken gears or couplings of the deck left lift motor. Defective deck left lift motor. Poor contact of the deck left lift motor connector terminals. Defective deck left lift limit switch 2. Poor contact of the deck lift limit switch 2 connector terminals.
• Remedy: Replace the deck left lift motor. Check for continuity across the coil. If none, replace the deck left lift motor. Reinsert the connector. Also check for continuity within the connector cable. If none, repair or replace the cable. Check if CN26-8 on the engine PCB goes low when the deck lift limit switch 2 is turned off. If not, replace the deck lift limit switch 2. Reinsert the connector. Also check for continuity within the connector cable. If none, repair or replace the cable.

• Code: C1140
• Description: Side deck* lift motor (going up) problem • When the side deck’s right cover is closed, the upper limit detection switch does not turn on within 17 s of the side deck lift motor turning on. • When the upper limit detection switch detects edge of turning off signal, the upper limit detection switch does not turn on within 200 ms of the side deck lift motor turning on.
• Causes: Poor contact in the upper limit detection switch connector terminals. Defective upper limit detection switch. Defective side deck main PCB.
• Remedy: Reinsert the connector. Also check for continuity within the connector cable. If none, remedy or replace the cable. Replace the upper limit detection switch. Replace the side deck main PCB.