• Code: C8120
• Description: DF shift motor 2 error Object: 4000-sheet finisher DF shift sensor 2 does not turn on even if shifting 160mm when driving DF shift motor 2.
• Remedy: 1 Checking the rear shift guide The rear shift guide is not assembled properly. If the rear shift guide does not move manually, repair the position where restricts the operation. 2 Checking the rear shift guide drive parts The rear shift guide drive parts are not properly attached, or they are faulty. Reattach the rear shift 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 shift motor 2 - DF PWB . DF shift sensor 2 - DF PWB Section 8 "PWBs" 4 Checking DF shift motor 2 DF shift motor 2 is faulty. Replace DF shift motor 2 if it does not operate properly when checking the operation at U240. Maintenanc e Mode List 5 Checking DF shift sensor 2 DF shift sensor 2 is not properly attached, or it is faulty. Reattach DF shift sensor 2, then execute U241 [Finisher] > [Shift Tail HP]. If DF shift 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: C8130
• Description: DF shift release motor error Object: 4000-sheet finisher 1. The DF shift release sensor does not turn on even 1s passed when the DF shift release motor drives. 2. The DF shift release sensor does not turn on even if the DF shift release motor drives for 3s toward the direction of the HP detection. 3. The DF shift release sensor does not turn off even if it drives for 3s toward the direction of the HP detection off.
• Remedy: 1 Checking the rear shift guide The rear shift guide is not assembled properly. If the rear shift guide does not move manually, repair the position where restricts the operation. 2 Checking the rear shift guide drive parts The rear shift guide drive parts are not properly attached, or they are faulty. Reattach the rear shift 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 shift release motor - DF PWB . DF shift release sensor - DF PWB Section 8 "PWBs" 4 Checking the DF shift release motor The DF shift release motor is faulty. Replace the DF shift release motor if it does not operate properly when checking the operation at U240. Maintenanc e Mode List 5 Checking the DF shift release sensor The DF shift release sensor is not properly attached, or it is faulty. Reattach the DF shift release sensor, then execute U241 [Finisher] > [Shift Unlock HP]. If the DF shift release sensor 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: C8140
• Description: DF tray motor error 1 Object: 4000-sheet finisher or 1000-sheet finisher The DF tray sensor or the DF tray upper side sensor does not turn on after passing 30s when ascending the DF main tray or the DF tray.
• Remedy: 1 Checking the DF main tray / DF tray The DF main tray / DF tray is not assembled properly. If the DF main tray or the DF tray does not move up and down manually, repair the position where restricts the operation. 2 Checking the DF main tray / DF tray drive parts The DF main tray / DF tray drive parts are not properly attached, or they are faulty. Reattach the DF main tray / 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. Execute U240 [Motor] > [Tray]. If the DF tray motor does not operate properly, replace it. Maintenanc e Mode List 5 (When installing the 1000- sheet finisher) 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 sensor 1 - DF PWB Section 8 "PWBs" 6 (When installing the 4000- sheet finisher) 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 sensor 1 - DF PWB . DF tray sensor 2 - DF PWB Section 8 "PWBs" 7 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 upper surface sensor 1 - DF PWB . DF tray upper surface sensor 2 - DF PWB Section 8 "PWBs" 8 (When installing the 1000- sheet finisher) Checking DF tray sensor 1 DF tray sensor 1 is not properly attached, or it is faulty. Reattach DF tray sensor 1, then execute U241 [Finisher] > [Tray U-Limit]. If DF tray sensor 1 does not operate properly, replace it. Maintenanc e Mode List 9 (When installing the 4000- sheet finisher) Checking DF tray sensor 1, 2 DF tray sensors 1, 2 are not properly attached, or they are faulty. Reattach DF tray sensor 1 or 2, then execute U241 [Finisher] > [Tray U-Limit] or [Tray HP2]. If DF tray sensor 1 or 2 does not operate properly, replace it. Maintenanc e Mode List 10 Checking DF tray upper side sensors 1, 2 DF tray upper surface sensors 1, 2 are not properly attached, or they are faulty. Reattach DF tray upper surface sensor 1 or 2, then execute U241 [Finisher] > [Tray Top]. If DF tray upper surface sensor 1 or 2 does not operate properly, replace it. Maintenanc e Mode List 11 Replacing the DF PWB The DF PWB is faulty. Replace the DF PWB. Detaching and reattaching the DF PWB

• Code: C8150
• Description: DF tray motor error 2 Object: 1000-sheet finisher Remarks: If the error is detected during job, the tray full is displayed and this service call will not come up. Turning on and off of DF tray sensor 1 or DF tray upper side sensors 1, 2 could not be detected after passing 5s when descending the DF tray.
• 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 . DF tray sensor 1 - DF PWB . DF tray upper surface sensor 1 - DF PWB . DF tray upper surface sensor 2 - 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 Checking DF tray sensor 1 DF tray sensor 1 is not properly attached. Reattach DF tray sensor 1, then check the sensor operation by executing U241. If DF tray sensor 1 does not operate properly, replace it. Maintenanc e Mode List 6 Checking DF tray upper side sensors 1, 2 DF tray upper side sensors 1, 2 are not properly attached. Reattach DF tray upper surface sensor 1 or 2, then check the sensor operation by executing U241. If DF tray upper surface sensor 1 or 2 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: C8150
• Description: DF tray motor error 2 Object: 4000-sheet finisher Turning on and off of DF tray sensors 1, 2 or DF tray upper side sensors 1, 2 could not be detected after passing 5s when descending the DF main tray.
• Remedy: 1 Checking the DF main tray The DF main tray is not assembled properly. If the DF main tray does not move up and down manually, repair the position where restricts the operation. 2 Checking the DF main tray drive parts The DF main tray drive parts are not properly attached, or they are faulty. Reattach the DF main 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 . DF tray sensor 1 - DF PWB . DF tray sensor 2 - DF PWB . DF tray upper surface sensor 1 - DF PWB . DF tray upper surface sensor 2 - DF PWB Section 8 "PWBs" 4 Replacing the DF tray motor The DF tray motor is faulty. Execute U240 [Motor] > [Tray]. If the DF tray motor does not operate properly, replace it. Maintenanc e Mode List 5 Checking DF tray sensors 1, 2 DF tray sensors 1, 2 are not properly attached, or they are faulty. Reattach DF tray sensor 1 or 2, then execute U241 [Finisher] > [Tray U-Limit] or [Tray HP2]. If DF tray sensor 1 or 2 does not operate properly, replace it. Maintenanc e Mode List 6 Checking DF tray upper side sensors 1, 2 DF tray upper surface sensors 1, 2 are not properly attached, or they are faulty. Reattach DF tray upper surface sensor 1 or 2, then execute U241 [Finisher] > [Tray Top]. If DF tray upper surface sensor 1 or 2 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: C8160
• Description: DF tray motor error (3) Object: 1000-sheet finisher DF tray sensor 3 does not turn on after passing 30s when descending the DF tray.
• 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 . DF tray sensor 3 -DF PWB Section 8 "PWBs" 4 Checking the DF tray motor The DF tray motor is faulty. Execute U240 [Motor] > [Tray]. If the DF tray motor does not operate properly, replace it. Maintenanc e Mode List 5 Checking DF tray sensor 3 DF tray sensor 3 is not properly attached, or it is faulty. Reattach DF tray sensor 3, then check the sensor operation by executing U241. If DF tray sensor 3 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: C8160
• Description: DF tray motor error (3) Object: 4000-sheet finisher DF tray sensors 4, 5 does not turn on after passing 60s when descending the DF main tray.
• Remedy: 1 Checking the DF main tray The DF main tray is not assembled properly. If the DF main tray does not move up and down manually, repair the position where restricts the operation. 2 Checking the DF main tray drive parts The DF main tray drive parts are not properly attached, or they are faulty. Reattach the DF main 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 . DF tray sensor 4 -DF PWB or, . DF tray sensor 5 (when installing the folding unit) -DF PWB Section 8 "PWBs" 4 Checking the DF tray motor The DF tray motor is faulty. Execute U240 [Motor] > [Tray]. If the DF tray motor does not operate properly, replace it. Maintenanc e Mode List 5 Checking DF tray sensors 4, 5 DF tray sensors 4, 5 are not properly attached, or they are faulty. Reattach DF tray sensor 4 or DF tray sensor 5 (when installing the folding unit), then execute U241 [Finisher] > [Tray L-Limit] or [ Tray L-Limit(BL)]. If DF tray sensor 4 or 5 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: C8170
• Description: DF side registration motor 1 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 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 DF side registration front 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 1 - DF PWB . DF side registration sensor 1 - DF PWB Section 8 "PWBs" 4 Replacing 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 5 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 6 Replacing the DF PWB The DF PWB is faulty. Replace the DF PWB. Detaching and reattaching the DF PWB