Sharp MXB200

• Code: E7 20
• Description: LSU trouble. The BD signal from the LSU cannot be detected in a certain cycle. (Always OFF or always ON)
• Causes: LSU connector or LSU harness defect or disconnection Polygon motor rotation abnormality Laser beams are not generated. MCU PWB abnormality.
• Remedy: Check connection of the LSU connector. Execute SIM 61-03 to check the LSU operations. Check that the polygon motor rotates normally. Check that the laser emitting diode generates laser beams. Replace the LSU unit. Replace the MCU PWB.

• Code: F2 64
• Description: Toner supply abnormality. The maximum toner supply time is greatly exceeded.
• Causes: CRUM chip trouble Improper developing unit
• Remedy: Replace the CRUM chip. Replace the developing unit.

• Code: F2 70
• Description: Improper cartridge. The destination of the main unit differs from that of the CRUM. When the life cycle information is other than Not Used (FFh).
• Causes: CRUM chip trouble Improper developing unit
• Remedy: Replace the CRUM chip. Replace the developing unit.

• Code: F2 74
• Description: Toner cartridge CRUM error. MCU
• Causes: Toner cartridge (CRUM) trouble. MCU PWB trouble. Connector/harness trouble.
• Remedy: Replace the toner cartridge. Replace the MCU PWB. Connector and harness check.

• Code: F5 02
• Description: Copy lamp lighting abnormality. The copy lamp does not turn on.
• Causes: Copy lamp abnormality Copy lamp harness abnormality CCD PWB harness abnormality.
• Remedy: Use SIM 5-3 to check the copy lamp operations. When the copy lamp lights up. Check the harness and the connector between the CCD unit and the MCU PWB. When the copy lamp does not light up. Check the harness and the connector between the copy lamp unit and the MCU PWB. Replace the copy lamp unit. Replace the MCU PWB.

• Code: F6 60
• Description: AFAX plug detect error. For USB connection with AFAX, ANB cannot detect the connection with AFAX.
• Causes: USB connected error between ANB and AFAX
• Remedy: Replace the ANB PWB or AFAX PWB.