Description: EEPROM Failure
• An EEPROM where no initial data is written is detected.
Remedy: 1 Unplug and plug in the power cord, and then turn off and turn on the copier. 2 Check the EEPROM on the Master Board for proper connection, and correct as necessary. 3 Replace PWB-A. 4 Replace the EEPROM.
Code: C13E0
Description: Flash ROM Failure
• The Flash ROM data was determined to be faulty when the unit was turned on.
Remedy: 1 Unplug and plug in the power cord, and then turn off and turn on the copier. 2 The firmware data is overwritten. 3 Replace PWB-A.
Code: C13F0
Description: HSYNC Detection Failure
• No SOS falling edges are detected within the set period of time after laser emission began while the Polygon Motor is turning. • No SOS falling edges are detected while VIA remains ON.
Remedy: 1 Turn the copier off, then on again. 2 Check PH Unit and the Master Board connectors for proper connection, and correct as necessary. 3 Replace the PH Unit. 4 Replace PWB-A.