• Code: C0680
• Description: SSD error
• Causes: The SSD cannot be accessed, or the error occurs when accessing to the SSD.
• Remedy: 1 Checking the SSD (if lit after replacing the SSD) An SSD out of specification is installed. Install the SSD matching the memory capacity specification. 2 Resetting the main power The SSD is faulty. Turn the power switch and the main power switch off . After 5s passes, turn the main power switch and the power switch on. 3 Reinstalling the SSD The connection with the main PWB is faulty. Reinstall the SSD on the main PWB. SSD Replacement 4 Initializing the SSD The data stored in the SSD is faulty. Retrieve the SSD storage data at U026, and then initialize the SSD at U024. U026 / U024 Execution 5 Replacing the SSD The SSD is faulty. Retrieve the SSD storage data at U026, and then replace the SSD. U026 Execution / SSD Replacement 6 Replacing the main PWB The main PWB is faulty. Replace the main PWB. Main PWB Replacement

• Code: C0800
• Description: Image processing error
• Causes: The print sequence jam (J010x) was detected 2 times continuously.
• Remedy: 1 Checking the image data The image data is faulty. When this issue occurs only when handling the certain image data, check if the image data is faulty. 2 Checking the situation The printing operation of the certain file is faulty. Acquire the jobslogifthephenomenoncanbereproducedbyspecifyingthejobwhentheer rorwasdetected.' Checking Job & Job Operation 3 Checking the main PWB The main PWB is faulty. Reconnect the connectors on the main PWB. Then, fix or replace the wires if they are pinched by the other part or if they have any damage. When the issue is not resolved, replace the main PWB. Main PWB Replacement

• Code: C0840
• Description: RTC error ("Time for maintenance T" appears)
• Causes: [Check at start-up]• RTC values are old.• Power has not been turned on for over 5 years.• RTC value is older than 2000/1/1 00:01.[Periodic check per 5 minutes after start-up]• RTC values are older than the ones at the last check.• Partial operation by power reset after C840 error and "Time for Maintenance T" is indicated.
• Remedy: 1 Executing U906 The backup battery on the main PWB is faulty, and so, the RTC settings are erased after unplugging the power cord. Execute U906 to reset the indication "Maintenance T". After that, set the data (RTC) via the System Menu.(This treatment needs to be performed when unplugging and reconnecting the power cord.) Date/ Timer/ Energy Saver (System Menu) 2 Replacing the main PWB The main PWB is faulty, or the backup battery runs out. The user call regarding C0840 is frequent even if performing the previous treatment, replace the main PWB. Main PWB Replacement

• Code: C0980
• Description: 24V power interruption detection
• Causes: 1. The 24V power interruption signal was detected for 1s continuously.2. After passing 100ms since the 24V power interruption signal was detected, the other service call error appeared. Then, the 24V power supply recovered.
• Remedy: 1 Resetting the main power The printing process is not properly executed. Turn the power switch and the main power switch off . After 5s passes, turn the main power switch and the power switch on. 2 Checking the wire The wire is not properly connected, or it has a ground fault. Reconnect the wire connectors between the LVU and the engine PWB. If the wire is pinched or has any damage, fix or replace the wire. Electrical Diagram of PWBs 3 Replacing the LVU The LVU is faulty. When the +24V generation from the LVU is not stable, and it lowers, replace the LVU. LVU Replacement 4 Replacing the engine PWB The engine PWB is faulty. Replace the engine PWB. Engine PWB Replacement

• Code: C1000
• Description: MP lift motor error
• Causes: 1. The MP position switch does not turn on within 1850ms when rotating the MP lift motor in the descend direction.2. The MP position switch does not turn off within 1600ms when rotating the MP lift motor in the ascend direction.
• Remedy: 1 Checking the MP bottom plate The MP bottom plate does not operate properly. If the MP bottom plate of the MP tray does not move vertically, fix or replace the lift base. 2 Checking the lift lever The lift lever is not properly attached. Check if the lift lever is vertically shifted by the lift motor cam, or if it has the excessive load. Then, reattach the MP tray. Then, replace the MP tray if it is not fixed. 3 Checking the drive gear The drive gear does not rotate properly. Check if the MP bottom plate lift-up drive gears rotate smoothly or have no excessive load. And apply the grease to the frictional parts and fix the related parts so that they can rotate smoothly. 4 Checking the wire The wire is not properly connected. Reinsert the following wire connectors, and replace the wires when they have no continuity.• MP position switch - Relay connector - Feed drive PWB • Feed drive PWB - Engine PWB Electrical Diagram of PWBs 5 Replacing the MP lift motor The MP lift motor does not operate properly. Replace the MP lift motor. 6 Checking the MP positioning switch The MP positioning switch is not properly attached. Reattach the MP positioning switch. 7 Replacing the MP positioning switch The MP positioning switch is faulty. Replace the MP positioning switch. 8 Replacing the feed drive PWB The feed drive PWB is faulty. Replace the feed drive PWB. 9 Firmware upgrade The firmware is not the latest version. Upgrade the engine firmware to the latest version Firmware Upgrade 10 Replacing the engine PWB The engine PWB is faulty. Replace the engine PWB. Engine PWB Replacement

• Code: C1010
• Description: Lift motor 1 error
• Causes: Either of the following was detected 5 times continuously.1. Lift upper limit sensor 1 does not turn on after passing 16s since cassette 1 was inserted.2. The lock-up signal is not released for 300ms after turning on of lift motor 1.3. Since lift upper limit sensor 1 turned off during printing, lift upper limit sensor 1 does not turn on after passing 1s from the ascend control
• Remedy: 1 Checking the cassette base The cassette base does not operate properly. Repair or replace the cassette base if it cannot move vertically. 2 Checking the drive gear The drive gear to lift up the cassette base does not rotate properly. Check if the lift motor drive gears to lift up the cassette base rotate smoothly or have no excessive load. And apply the grease to the frictional parts and repair the related parts so that they can rotate smoothly. 3 Checking the wire The wire is not properly connected. Reinsert the following wire connectors, and replace the wires if there is no continuity.• Lift motor 1 - Feed drive PWB• Feed drive PWB - Engine PWB Electrical Diagram of PWBs 4 Checking lift motor 1 Lift motor 1 is faulty. Check the operation of lift motor 1, and replace it if necessary. Lift Motor Replacement 5 Checking the wire The wire is not properly connected. Reinsert the following wire connectors, and replace the wires if there is no continuity.• Lift upper limit sensor 1 - Feed drive PWB• Feed drive PWB - Engine PWB Electrical Diagram of PWBs 6 Checking lift sensor 1 Lift upper limit sensor 1 is not properly attached, or it is faulty. Reattach lift upper limit sensor 1. Replace it if it is not fixed. 7 Replacing the feed drive PWB The feed drive PWB is faulty. Replace the feed drive PWB. 8 Firmware upgrade The firmware is not the latest version. Upgrade the engine firmware to the latest version Firmware Upgrade 9 Replacing the engine PWB The engine PWB is faulty. Replace the engine PWB. Engine PWB Replacement

• Code: C1020
• Description: Lift motor 2 error
• Causes: Either of the following was detected 5 times continuously.1. PF lift sensor 2 does not turn on after passing 16s since cassette 2 was inserted.2. The lock-up signal is not released for 300ms after turning on of lift motor 2.3. Since lift sensor 2 turned off during printing, lift sensor 2 does not turn on after passing 1s from the ascend control.
• Remedy: 1 Checking the cassette base The cassette base does not operate properly. Repair or replace the cassette base if it cannot move vertically. 2 Checking the drive gear The drive gear does not rotate properly. Check if the lift motor drive gears to lift up the cassette base rotate smoothly or have no excessive load. And apply the grease to the frictional parts and repair the related parts so that they can rotate smoothly. 3 Checking the wire The wire is not properly connected. Reinsert the following wire connectors, and replace the wires when they have no continuity.• Lift motor 2 - Feed drive PWB• Feed drive PWB - Engine PWB Electrical Diagram of PWBs 4 Checking lift motor 2 Lift motor 2 is faulty. Check the operation of lift motor 2, and replace it if necessary. Lift Motor Replacement 5 Checking the wire The wire is not properly connected. Reinsert the following wire connectors, and replace the wires when they have no continuity.• Lift upper limit sensor 2 - Feed drive PWB• Feed drive PWB - Engine PWB Electrical Diagram of PWBs 6 Checking lift sensor 2 Lift upper limit sensor 2 is not properly attached, or it is faulty. Reattach lift upper limit sensor 2. Then, replace it if it is not fixed. 7 Replacing the feed drive PWB The feed drive PWB is faulty. Replace the feed drive PWB. 8 Firmware upgrade The firmware is not the latest version. Upgrade the engine firmware to the latest version Firmware Upgrade 9 Replacing the engine PWB The engine PWB is faulty. Replace the engine PWB. Engine PWB Replacement

• Code: C1030
• Description: PF lift motor 1 error (Paper Feeder)
• Causes: [PF-7100 (Paper Feeder)]1. PF lift upper limit sensor 1 does not turn on after passing 16s since cassette 3 was inserted.2. The lock-up signal is not released for 300ms after turning on of PF lift motor 1.3. Since PF lift sensor 1 turned off during printing, PF lift upper limit sensor 1 does not turn on after passing 1s from the ascend control.[PF-7110 (Paper Deck)]1. PF lift upper limit sensor 1 does not turn on after passing 24s since cassette 3 was inserted.2. PF lift upper limit sensor 1 does not turn on after passing 3s from the ascend control when starting printing.
• Remedy: 1 Checking the cassette base The cassette base does not operate properly. Repair or replace the cassette base if it cannot move vertically. 2 Checking the drive gear The drive gear does not rotate properly. Check if the drive gears to lift up the cassette base rotate smoothly or have no excessive load. And apply the grease to the frictional parts and repair the related parts so that they can rotate smoothly. 3 Checking the wire The wire is not properly connected. Reinsert the following wire connectors, and replace the wire when it has no continuity.• PF lift motor 1 - PF main PWB Electrical Diagram of PWBs 4 Checking PF lift motor 1 PF lift motor 1 is faulty. Replace PF lift motor 1. 5 Checking the wire The wire is not properly connected. Reinsert the following wire connectors, and replace the wire when it has no continuity.• PF lift sensor 1 - PF main PWB Electrical Diagram of PWBs 6 Checking PF lift sensor 1 PF lift upper limit sensor 1 is not properly attached, or it is faulty. Reattach PF lift upper limit sensor 1. Then, replace it if it is not fixed. 7 Replacing the PF main PWB The PF main PWB is faulty. Replace the PF main PWB. PF Main PWB Replacement