• Code: 25
• Description: Defective Automatic Receiving The automatic receiving function is not working.
• Causes: 1. Check that the RECEIVE Mode is set to FAX MODE.
• Remedy: 1. If the RECEIVE Mode is set to the TEL MODE, reset it to the FAX MODE. 2. Even after the RECEIVE Mode is changed to the FAX Mode, the problem persists then try to replace the LIU and the Main B'd in sequence.

• Code: 26
• Description: White Copy Blank page is printed out when copying.
• Causes: 1. Check the Scanner Cover is properly closed. 2. Check shading profile. 3. Check white/black reference voltage on Main PBA. e.q • CIS_SI, CIS_CLK at Chip(U28)
• Remedy: 1. Room light can pass through a thin original. 2. Redo shading profile in the tech mode. 3. Replace U28 if it is defective. • U28-Pin6 (CIS_SI) • U28-Pin8 (CIS_CLK)

• Code: 27
• Description: Black Copy Black page is printed out when Copying.
• Causes: 1. Check for CIS problem on the Main PBA. 2. Check shading profile.
• Remedy: 1. Check the CIS harness is properly connected. 2. Redo shading profile in the tech mode.

• Code: 28
• Description: Abnormal noise There is noise from the ADF when copying.
• Causes: 1. Check the Scanner Motor, gearbox and rollers. 2. Check the Motor Driver on Driver PBA.
• Remedy: 1. Check for correct assembly of gears and motor. Ensure no parts are fouling and there are no foreign objects in the mechanism or scanner path. Replace any worn parts 2. Replace the main PBA.

• Code: 29
• Description: Defective Image Quality The copied image is excessively light or dark
• Causes: 1. Check shading profile. 2. Check the gap between original and scanner glass. 3. Check printing quality.
• Remedy: 1. Redo shading profile in the tech mode. 2. A gap of more than 0.5 mm can cause a blurred image. Ensure rollers and cover close correctly. Replace as necessary. 3. See "Print" troubleshooting.

• Code: 30
• Description: Wrong Print Position Printing begins at wrong position on the paper.
• Causes: Wrong sensor timing caused by defective feed sensor actuator.
• Remedy: Replace the defective actuator

• Code: 31
• Description: JAM 0 1. Paper does not exit from the cassette. 2. Jam-0 occurs when the paper feeds into the printer.
• Causes: 1. Check the Solenoid by using Tech Mode. 2. Check cassette/MP knock-up plate and springs. 3. Check paper separator pad 4. Check the pick up roller for contamination and correct assembly. 5. If continuous clusters occur, check all rollers between pickup and registration sensor. 6 If the paper feeds into the printer and Jam 0 occurs, perform Tech Mode to check feed sensor.
• Remedy: 1. Replace the solenoid. 2. Repair / replace as required 3 Clean with soft cloth dampened with IPA (Isopropyl Alcohol) or water. Replace if required. 4. Clean with soft cloth dampened with IPA (Isopropyl Alcohol) or water. Replace if required 5. Ensure all rollers are clean and free to operate correctly. 6. Check the SMPS PBA, Main PBA and all connections. Replace any faulty parts or the

• Code: 32
• Description: JAM 1 1. Paper is jammed in front of or inside the fuser. 2. Paper is stuck in the exit roller and in the fuser just after passing through the Actuator-Feed.
• Causes: 1. If the recording paper is jammed in front of or inside the fuser. 2. If the recording paper is stuck in the exit roller and the fuser just after passing through the Actuator-Feed, Feed Actuator may be defective.
• Remedy: 1. Replace the Exit-Sensor, SMPS or main PBA. 2. Reassemble the Actuator-Feed and Spring-Actuator if the movement is bad. Replace if necessary.