• Code: H1-1422
• Display: Tray 4 cassette is pulled out. Insert it properly.
• Description: Tray 4 is pulled out or the cassette detection sensor connector is not connected or broken.
• Remedy: 1) Remove and insert tray4 correctly. 2) If the problem persists, remove tray4 again. 3) Check if the cassette detection sensor cable is connected correctly. Unplug and reconnect it. 4) If the connection is OK, replace the cassette detection sensor(JC34-00001A). 5) If the problem persists, replace the SCF board(JC92-02754A).

• Code: H1-1430, H1-1440
• Display: Input System Failure: #H1-1430. Check tray 4 connection. Tray 4 is not installed. Install the tray.
• Description: The communication error between the tray 4 and the main machine has occurred.
• Remedy: 1) Turn the machine off. 2) Check the connection on SCF board. Reconnect the harness. 3) If the drawer connector is deformed or broken, replace it. (AS-HARNESS HSCF : JC81–09742A / HOLDER-CONNECTOR_SCF : JC61–01742A)) 4) If the problem persists, replace the SCF main board(JC92-02754A).

• Code: H1-1451, H1-1452, H1-1454
• Display: Paper is low in Tray 4. Load paper. Paper is empty in tray 4. Load paper.
• Description: Paper in the tray4 is less than 10% of specification. / The photo sensor is defective.
• Remedy: 1) Remove tray2. Load the paper in tray4. 2) If paper is loaded but error message has not disappeared, check the following. a) Check if the paper empty sensor is contaminated. If so, clean it. b) If the paper empty sensor(0604-001325) is defective, replace it. c) If the empty actuator(JC66–02613A) is defective, replace it.

• Code: H1-1453
• Display: Input System Failure #H1-1453 : Pull Tray 4 out and insert it.
• Description: The paper is not fed from tray4.
• Remedy: 1) Check if the Gear-Idle Lift is broken. 2) Check if the cassette detection sensor cable is connected correctly. Unplug and reconnect it. 3) If the connection is OK, replace the cassette detection sensor(JC34-00001A). 4) Check if the Lift-Motor connector is connected properly. 5) If the problem persists, replace the Lift-Motor(JC81-08705A).

• Code: M1–1110
• Display: Paper jam in Tray 1.
• Description: Paper jam has occurred in tray1.
• Remedy: 1) Remove the tray1. Remove the jammed paper. And install the tray. 2) If the problem persists, check the followings. 3) Check if the proper paper is loaded in the tray. If not, replace the paper. 4) Check if the pick up/forward/reverse roller(JC97–02259A) are contaminated or worn out. Replace these rollers. 5) Check if the cassette lifting is working normally. If not, check the feed drive unit(JC93–00350A). 6) Check if the main(feed/fuser) motor connector is connected correctly. 7) If the connection is OK, enter SVC mode. Select the main(feed/fuser) motor test. (Diagnostics > Engine Diagnostics > Engine Test Routines) Check the motor operation. a) If the main(feed/fuser) motor is not operational, • Check the signal and power with the DVM. • If the checked result is normal, replace the main(feed/fuser) motor(JC31–00144B). • If the checked result is abnormal, check the following. - If 24V power is not generated, replace the SMPS board(JC44-00092C (220V) / JC44-00091C (110V)). - If the control signal is abnormal, replace the main board(JC92–02722A). b) If the main(feed/fuser) motor is operational, • Check the Pin No 8. If the value is abnormal, replace the main board. If the value is normal, replace the harness. 8) Check the pick up clutch connection. If the pick up clutch(JC47-00033E) is defective, replace it.

• Code: M1–1610
• Display: Paper jam in MP Tray.
• Description: Paper jam has occurred in MP tray.
• Remedy: 1) Remove the jammed paper from the MP tray. 2) If the problem persists, check the followings. 3) Check if the proper paper is loaded in the tray. If not, replace the paper. 4) Check if the MP pick up roller is contaminated or worn out. Replace the MP pick up roller Assy. 5) Check the MP pick up clutch connection. If the MP pick up clutch is defective, replace it. 6) Check if the main(feed/fuser) motor connector is connected correctly. 7) If the connection is OK, enter SVC mode. Select the main(feed/fuser) motor test. (Diagnostics > Engine Diagnostics > Engine Test Routines) Check the motor operation. a) If the main(feed/fuser) motor is not operational, • Check the signal and power with the DVM. • If the checked result is normal, replace the main(feed/fuser) motor(JC31–00144B).• If the checked result is abnormal, check the following. - If 24V power is not generated, replace the SMPS board(JC44-00092C (220V) / JC44-00091C (110V)). - If the control signal is abnormal, replace the main board(JC92–02722A). b) If the main(feed/fuser) motor is operational, • Check the Pin No 8. If the value is abnormal, replace the main board. If the value is normal, replace the harness.

• Code: M1–3122
• Display: Tray 1 cassette is pulled out. Insert it properly.
• Description: Tray1 is not installed properly.
• Remedy: 1) Install the tray1. If the tray1 is already installed, remove and reinstall it. 2) Check if the harness connection for cassette detection is normal. Reconnect it. If the harness is defective, replace it. 3) Check if the cassette detection sensor(JC34-00001A) is defective, replace it.

• Code: M1–4111
• Display: Tray Failure: #M1-4111. Pull tray 1 out and insert it. Call for service if the problem persists.
• Description: The paper has jammed in the path or can’t be fed.
• Remedy: 1) Check if the pick up/ forward/ retard roller(JC97–02259A) are contaminated or worn out. Replace the defective roller. 2) Check the feed drive unit for cassette lifting. • Check if the gear is worn out or broken. • Check if the DC motor is working normally. • If any part is defective, replace it or the feed drive unit(JC93–00350A). 3) Check the pick up clutch connection. If the pick up clutch(JC47-00033E) is defective, replace it.