• Code: C8180
• Description: DF side registration motor 1 error 2 Object: 1000-sheet finisher, 4000-sheet finisher J6810/J6811 (Front DF side registration jam) was detected 2 times continuously.
• Remedy: 1 Checking the front DF side registration guide The front DF side registration guide is not assembled properly. If the DF side registration front guide does not move manually, repair the position where restricts the operation. 2 Checking the front DF side registration guide drive parts The DF side registration front guide drive parts are not properly attached, or they are faulty. Reattach the front DF side registration guide drive parts. 3 Replacing the front DF side registration guide drive parts The front DF side registration guide drive parts are faulty. Replace the front DF side registration guide drive parts. 4 Checking the connection The connector is not connected properly, or the wire is faulty. Clean the terminal of the following wire connectors and reconnect the connectors. If there is no continuity, replace the wire. . DF side registration motor 1 - DF PWB . DF side registration sensor 1 - DF PWB Section 8 "PWBs" 5 Checking DF side registration motor 1 DF side registration motor 1 is faulty. Execute U240 [Motor] > [Width Test(A3)] or [Width Test(LD)]. If DF side registration motor 1 does not operate properly, replace it. Maintenanc e Mode List 6 Checking DF side registration sensor 1 DF side registration sensor 1 is not properly attached, or it is faulty. Reattach DF side registration sensor 1, then execute U241 [Finisher] > [Width Front HP]. If DF side registration sensor 1 does not operate properly, replace it. Maintenanc e Mode List 7 Replacing the DF PWB The DF PWB is faulty. Replace the DF PWB. Detaching and reattaching the DF PWB

• Code: C8190
• Description: DF side registration motor 2 error 1 Object: 1000-sheet finisher, 4000-sheet finisher The home position cannot be detected after passing 3s when relocating to the home position.
• Remedy: 1 Checking the rear DF side registration guide The rear DF side registration guide is not assembled properly. If the DF side registration rear guide does not move manually, repair the position where restricts the operation. 2 Checking the rear DF side registration guide drive parts The DF side registration rear guide drive parts are not properly attached, or they are faulty. Reattach the DF side registration rear guide drive parts. If not repaired, replace them. 3 Checking the connection The connector is not connected properly, or the wire is faulty. Clean the terminal of the following wire connectors and reconnect the connectors. If there is no continuity, replace the wire. . DF side registration motor 2 - DF PWB . DF side registration sensor 2 - DF PWB Section 8 "PWBs" 4 Replacing DF side registration motor 2 DF side registration motor 2 is faulty. Execute U240 [Motor] > [Width Test(A3)] or [Width Test(LD)]. If DF side registration motor 2 does not operate properly, replace it. Maintenanc e Mode List 5 Checking DF side registration sensor 2 DF side registration sensor 2 is not properly attached, or it is faulty. Reattach DF side registration sensor 2, then execute U241 [Finisher] > [Width Tail HP]. If DF side registration sensor 2 does not operate properly, replace it. Maintenanc e Mode List 6 Replacing the DF PWB The DF PWB is faulty. Replace the DF PWB. Detaching and reattaching the DF PWB

• Code: C8200
• Description: DF side registration motor 2 error 2 Object: 1000-sheet finisher, 4000-sheet finisher J6910/J6911/ (Rear DF side registration jam) was detected 2 times continuously.
• Remedy: 1 Checking the rear DF side registration guide The rear DF side registration guide is not assembled properly. If the DF side registration rear guide does not move manually, repair the position where restricts the operation. 2 Checking the rear DF side registration guide drive parts The side registration rear guide drive parts are not properly attached, or they are faulty. Reattach the DF side registration rear guide drive parts. If not repaired, replace them. 3 Checking the connection The connector is not connected properly, or the wire is faulty. Clean the terminal of the following wire connectors and reconnect the connectors. If there is no continuity, replace the wire. . DF side registration motor 2 - DF PWB . DF side registration sensor 2 - DF PWB Section 8 "PWBs" 4 Checking DF side registration motor 2 DF side registration motor 2 is faulty. Execute U240 [Motor] > [Width Test(A3)] or [Width Test(LD)]. If DF side registration motor 2 does not operate properly, replace it. Maintenanc e Mode List 5 Checking DF side registration sensor 2 DF width adjustment sensor 2 is not installed properly. Or, it is faulty. Reattach DF side registration sensor 2, then execute U241 [Finisher] > [Width Tail HP]. If DF side registration sensor 2 does not operate properly, replace it. Maintenanc e Mode List 6 Replacing the DF PWB The DF PWB is faulty. Replace the DF PWB. Detaching and reattaching the DF PWB

• Code: C8210
• Description: DF staple motor front/rear error Object: 1000-sheet finisher, 4000-sheet finisher
• Remedy: 1 Checking the DF staple unit The DF staple unit is not assembled properly. If the DF staple unit does not move front and back manually, repair the position where restricts the operation. 2 Checking the DF staple unit drive parts The DF staple unit drive parts are not properly attached, or they are faulty. Reattach the DF staple unit drive parts. If not repaired, replace them. 3 Checking the connection The connector is not connected properly, or the wire is faulty. Clean the terminal of the following wire connectors and reconnect the connectors. If there is no continuity, replace the wire. . DF staple motor - DF PWB . DF staple sensor - DF PWB Section 8 "PWBs" 4 Replacing the DF staple motor The DF staple motor is faulty. Execute U240 [Motor] > [Staple]. If the DF staple motor does not operate properly, replace the DF staple unit. Maintenanc e Mode List Detaching and reattaching the DF Staple Unit 5 Checking the DF staple sensor The DF staple motor is not properly attached, or it is faulty. Reattach the DF staple sensor. Then, replace the DF staple unit if the sensor is not fixed. Detaching and reattaching the DF Staple Unit 6 Replacing the DF PWB The DF PWB is faulty. Replace the DF PWB. Detaching and reattaching the DF PWB

• Code: C8230
• Description: DF staple motor error 1 Object: 1000-sheet finisher, 4000-sheet finisher DF staple JAM is detected 2 times continuously. (The condition of JAM detection for the second time: after the motor is started, home position cantbedetectedeven600mspassed.)'
• Remedy: 1 Checking the DF staple unit The DF staple unit is not assembled properly. If the DF staple cantbedonewithoutpaperjam,rep airthepositionwhererestrictstheo peration.' 2 Checking the connection The connector is not connected properly, or the wire is faulty. Clean the terminal of the following wire connectors and reconnect the connectors. If there is no continuity, replace the wire. . DF staple unit - DF PWB Section 8 "PWBs" 3 Replacing the DF staple unit The DF staple unit is faulty. Replace the DF staple unit. Detaching and reattaching the DF Staple Unit 4 Replacing the DF PWB The DF PWB is faulty. Replace the DF PWB. Detaching and reattaching the DF PWB

• Code: C8250
• Description: DF main tray error 4 Object: 1000-sheet finisher The lock-up signal was 0.7V or less for 10s continuously during the DF tray motor operation.
• Remedy: 1 Checking the DF tray The DF tray is not assembled properly. If the DF tray does not move up and down manually, repair the position where restricts the operation. 2 Checking the DF tray drive parts The DF tray drive parts are not properly attached, or they are faulty. Reattach the DF tray drive parts. If not repaired, replace them. 3 Checking the connection The connector is not connected properly, or the wire is faulty. Clean the terminal of the following wire connectors and reconnect the connectors. If there is no continuity, replace the wire. . DF tray motor - DF PWB Section 8 "PWBs" 4 Replacing the DF tray motor The DF tray motor is faulty. Replace the DF tray motor if it does not operate properly when checking the operation at U240. Maintenanc e Mode List 5 Replacing the DF PWB The DF PWB is faulty. Replace the DF PWB. Detaching and reattaching the DF PWB

• Code: C8260
• Description: DF middle motor HP detection error Object: 1000-sheet finisher, 4000-sheet finisher J790X (Middle paddle jam) was detected 2 times continuously.
• Remedy: 1 Checking the DF paddle drive parts The DF paddle drive parts are not properly attached, or it is faulty. Reattach or replace the DF paddle drive parts. 2 Checking the connection The connector is not connected properly, or the wire is faulty. Clean the terminal of the following wire connectors and reconnect the connectors. If there is no continuity, replace the wire. . DF middle motor - DF PWB . DF paddle sensor - DF PWB Section 8 "PWBs" 3 Replacing the DF middle motor The DF middle motor is faulty. Execute U240 [Motor] > [Middle(H)] or [Middle(L)]. If the DF middle motor does not operate properly, replace it. Maintenanc e Mode List 4 Checking the DF paddle sensor The DF paddle sensor is not properly attached, or it is faulty. Reattach the DF paddle sensor, then execute U241 [Finisher] > [Lead Paddle]. If the DF paddle sensor does not operate properly, replace it. Maintenanc e Mode List 5 Replacing the DF PWB The DF PWB is faulty. Replace the DF PWB. Detaching and reattaching the DF PWB

• Code: C8300
• Description: Main program error / BF unit communication error Object: 4000-sheet finisher with the folding unit After confirming connection with the holding unit, the communication has cut off.
• Remedy: 1 Checking the BF set sensor The BF set sensor is not attached properly. Reattach the BF set sensor. 2 Checking the connection The connector is not connected properly, or the wire is faulty. Clean the terminal of the following wire connectors and reconnect the connectors. If there is no continuity, replace the wire. . BF PWB - DF PWB Section 8 "PWBs" 3 Replacing the BF set sensor The BF set sensor is faulty. Execute U241 [Booklet] > [Set]. If the BF set sensor does not operate properly, replace it. Maintenanc e Mode List 4 Replacing the BF PWB The BF PWB is faulty. Replace the BF PWB. 5 Replacing the DF PWB The DF PWB is faulty. Replace the DF PWB. Detaching and reattaching the DF PWB