• Code: 1040
• Description: Desk lower lift motor problem
  • When the lower cassette of the paper feeder PF-70* is inserted, the desk lower lift limit switch does not turn on within 6 s of the desk lower lift motor turning on and the desk lower lift limit switch does not turn on by turning off the desk lower lift motor for 200 ms and retrying twice. • During printing, the desk lower lift limit switch does not turn on within 200 ms of the desk lower lift motor turning on.
• Causes: Broken gears of couplings of the desk lower lift motor. Defective desk lower lift motor. Poor contact of the desk lower lift motor connector terminals. Defective desk lower lift limit switch. Poor contact of the desk lower lift limit switch connector terminals.
• Remedy: Replace the desk lower lift motor. Check for continuity across the coil. If none, replace the desk lower lift motor. Reinsert the connector. Also check for continuity within the connector cable. If none, repair or replace the cable. Check if CN1-7 on the desk main board goes low when the desk lower lift limit switch is turned off. If not, replace the desk lower lift limit switch. Reinsert the connector. Also check for continuity within the connector cable. If none, repair or replace the cable.

• Code: 1100
• Description: Paper deck motor 1 of the paper feeder PF-75 problem
  • A motor over-current signal is detected continuously for 1 s or longer.
• Causes: Paper deck motor 1 does not rotate correctly (the motor is overloaded). Paper deck motor 1 connector makes poor contact.
• Remedy: Check the gears and remedy if necessary. Reinsert the connector. Also check for continuity within the connector cable. If none, repair or replace the cable.

• Code: 1110
• Description: Paper deck motor 2 of the paper feeder PF-75 problem
  • A motor over-current signal is detected continuously for 1 s or longer.
• Causes: Paper deck motor 2 does not rotate correctly (the motor is overloaded). Paper deck motor 2 connector makes poor contact.
• Remedy: Check the gears and remedy if necessary. Reinsert the connector. Also check for continuity within the connector cable. If none, repair or replace the cable.

• Code: 1120
• Description: Deck right lift of the paper feeder PF- 75 position problem
  • Deck level switch 2 does not turn on within 30 s of paper deck motor 2 turning on.
• Causes: Defective deck level switch 2. Poor contact of deck level switch 2 connector terminals. Defective paper deck motor 2. Poor contact of paper deck motor 2 connector terminals.
• Remedy: Check if CN5-4 on the desk main board goes low when desk level switch 2 is turned off. If not, replace desk level switch 2. Reinsert the connector. Also check for continuity within the connector cable. If none, repair or replace the cable. Check for continuity across the coil. If none, replace paper desk motor 2. Reinsert the connector. Also check for continuity within the connector cable. If none, repair or replace the cable. Check the gears and belts, and remedy if necessary.

• Code: 1130
• Description: Deck left lift of the paper feeder PF- 75 position problem
  • Deck level switch 1 does not turn on within 30 s of paper deck motor 1 turning on.
• Causes: Defective deck level switch 1. Poor contact of deck level switch 1 connector terminals. Defective paper deck motor 1. Poor contact of paper deck motor 1 connector terminals. The deck left lift does not rise properly.
• Remedy: Check if CN5-7 on the desk main board goes low when desk level switch 1 is turned off. If not, replace desk level switch 1. Reinsert the connector. Also check for continuity within the connector cable. If none, repair or replace the cable. Check for continuity across the coil. If none, replace paper desk motor 1. Reinsert the connector. Also check for continuity within the connector cable. If none, repair or replace the cable. Check the gears and belts, and remedy if necessary.

• Code: 2000
• Description: Drive motor problem
  • LOCK ALM signal remains high for 1 s, 1 s after the drive motor has turned on.t
• Causes: Poor contact in the drive motor connector terminals. Defective drive motor rotation control circuit. Defective drive transmission system. Defective engine controller PWB.
• Remedy: 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. Replace the engine controller PWB.

• Code: 2500
• Description: Paper feed motor problem
  • LOCK ALM signal remains high for 1 s, 1 s after the paper feed motor has turned on.
• Causes: Poor contact in the paper feed motor connector terminals. Defective paper feed motor rotation control circuit. Defective drive transmission system. Defective engine controller PWB.
• Remedy: 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 engine controller PWB.

• Code: 2600
• Description: Deck conveying motor of the paper feeder PF-75/desk drive motor of the paper feeder PF-75 problem
  • No pulse is input within 500 ms of the start-up. • No pulse is input within 100 ms of the previous pulse input.
• Causes: Defective deck conveying motor board/desk drive motor board. 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.
• Remedy: Replace the deck conveying motor board/ desk drive motor board 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.