• Code: C3–1712
• Display: Imaging unit Failure: #C3-1712. Call for service.
• Description: The data of CRUM is not detected.
• Remedy: 1) Open the front cover. 2) Remove the imaging unit check that its modular jack is contaminated or deformed. 3) If it is defective, replace it with new one. 4) Close the front cover.

• Code: C6–1120
• Display: Replace with new fuser unit
• Description: Fuser unit is at the end of its life.
• Remedy: 1) Turn the machine off. 2) Open and remove the rear cover. 3) Remove the fuser unit(JC91–01177A (220V) / JC91–01176A (110V)) and replace it with new one. 4) Close the rear cover.

• Code: H1-1210, H1-1211
• Display: Paper jam in Tray 2.
• Description: Paper jam has occurred in tray2.
• Remedy: 1) Remove the jammed paper. If the problem persists, check the followings. 2) Check if the paper is loaded in the tray2 properly. 3) Check if the pick up/forward/reverse rollers(JC97–02259A) of the tray2 are defective or worn out. 4) Check if the Empty/ Pick up/ Regi-Act sensor of the tray2 is working properly. 5) Check the connection between the motor/clutch and the SCF board. Reconnect the harness. 6) Check if the AS-SPRING_ES is deformed or assembled properly. 7) If the problem persists after checking No. 1-7, replace the SCF board(JC92-02754A). 8) If the problem persists, replace the Drop connector harness.

• Code: H1-1212, H1-1213
• Display: Paper jam in Tray 2.
• Description: Paper jam has occurred in tray2.
• Remedy: 1) Remove the jammed paper. If the problem persists, check the followings. 2) Check if the paper is loaded in the tray2 properly. 3) Check if the pick up/forward/reverse rollers(JC97–02259A) of the tray2 are defective or worn out. 4) Check if the Empty/ Pick up/ Regi-Act sensor of the tray2 is working properly. 5) Check the connection between the motor/clutch and the SCF board. Reconnect the harness. 6) Check if the AS-SPRING_ES is deformed or assembled properly. 7) If the problem persists after checking No. 1-7, replace the SCF board(JC92-02754A). 8) If the problem persists, replace the Drop connector harness.

• Code: H1-1222
• Display: Tray 2 cassette is pulled out. Insert it properly.
• Description: Tray 2 is pulled out or the cassette detection sensor connector is not connected or broken.
• Remedy: 1) Remove and insert tray2 correctly. 2) If the problem persists, remove tray2 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: H1-1230, H1-1240
• Display: Input System Failure: #H1-1230. Check tray 2 connection. Tray 2 is not installed. Install the tray.
• Description: The communication error between the tray 2 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: H1-1251, H1-1252, H1-1254
• Display: Paper is low in Tray 2. Load paper. Paper is empty in tray 2. Load paper.
• Description: Paper in the tray2 is less than 10% of specification. / The photo sensor is defective.
• Remedy: 1) Remove tray2. Load the paper in tray2. 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: H1-1253
• Display: Input System Failure #H1-1253 : Pull Tray 2 out and insert it.
• Description: The paper is not fed from tray2.
• 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).