Code :
- Code: C1
- Description: Cooling fan
- Code: C5
- Description: Low fuser temperature
- Code: C6
- Description: Scan problem
- Code: C7
- Description: Low fuser temperature, after completed warm-up
- Code: C8
- Description: High fuser temperature
- Code: CP
- Description: EPPROM. Located on PWB A
- Code: E1
- Description: Developer set up problem (probably tape on cartridge)
- Code: E2
- Description: F4 (fuse in IU) did not blow at end of setup, or the machine went through 5 ATDC setups
