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SERVICE Sp problem Trouble Sc Error +RESET problem KM3035, C2500 error, paper tray
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2FD/2FF/2FG 1-5-28 Code Contents Remarks Causes Check procedures/corrective measures C2000 C2500 C2600 C3100 Drive motor problem • LOCK ALM signal remains high for 1 s, 1 s after the drive motor has turned on. Paper feed motor problem • LOCK ALM signal remains high for 1 s, 1 s after the paper feed motor has turned on. Deck conveying motor*/desk drive motor* problem • No pulse is input within 500 ms of the start-up. • No pulse is input within 100 ms of the previous pulse input. Scanner carriage problem • The home position is not correct when the power is turned on or at the start of copying using the bypass table. Poor contact in the drive motor connector terminals. Defective drive motor rotation control circuit. Defective drive transmission system. Poor contact in the paper feed motor connector terminals. Defective paper feed motor rotation control circuit. Defective drive transmission system. Defective deck conveying motor PCB/desk drive motor PCB. Deck conveying motor /desk drive motor does not rotate correctly (the motor is overloaded). Poor contact in the deck conveying motor/desk drive motor connector terminals. Poor contact in the connector terminals. Defective scanner home position switch. Defective main PCB or scanner drive PCB. Defective scanner motor. Reinsert the connector. Also check for continuity within the connector cable. If none, remedy or replace the cable. Replace the drive motor. Check if the rollers and gears rotate smoothly. If not, grease the bushings and gears. Check for broken gears and replace if any. Reinsert the connector. Also check for continuity within the connector cable. If none, remedy or replace the cable. Replace the paper feed motor. Check if the rollers and gears rotate smoothly. If not, grease the bushings and gears. Check for broken gears and replace if any. Replace the deck conveying motor PCB/ desk drive motor PCB and check for correct operation. Check the gears and remedy if necessary. Reinsert the connector. Also check for continuity within the connector cable. If none, remedy or replace the cable. 2013-04-24
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