Sharp AL2041

• Code: F2-64
• Description: Toner supply abnormality
  The maximum toner supply time is greatly exceeded.
• Causes: CRUM chip trouble Improper 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

• Code: F2-74
• Description: Toner cartridge CRUM error PCU
• Causes: Toner cartridge (CRUM) trouble. PCU PWB trouble. Connector/harness trouble.

• 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.

• Code: H2-00
• Description: Thermistor open
  The thermistor is open. The fusing unit is not installed.
• Causes: Thermistor abnormality Control PWB abnormality Fusing section connector disconnection The fusing unit is not installed.

• Code: H3-00
• Description: Heat roller high temperature detection
  The fusing temperature exceeds 240°C.
• Causes: Thermistor abnormality Control PWB abnormality Fusing section connector disconnection.