Description: Faulty EEPROM
EEPROM fault • Data cannot be written in EEPROM. • Data stored in EEPROM is wrong.
Remedy: 1 C1468 reappears when the copier is turned OFF and ON again. <Check Procedure> Turn OFF and ON the Power Switch to check to see if C1468 reappears. YES • Go to step 2. 2 Memory (U29) on Control Board (copier: PWB-C) is loose. YES • Reinstall memory (U29). NO • Change Control Board (copier: PWB-C).
Code: C14A3
Description: IR fluorescent lamp fault
The Exposure Lamp (LA2) of the Scanner fails to turn ON. • The intensity of the Exposure Lamp is a predetermined value or less during shading and re-shading.
Remedy: 1 Exposure Lamp turns ON when the Power Switch is turned ON. NO • Go to step 3. 2 Exposure Lamp is abnormally lit (flickers or abnormally dark) when the Power Switch is turned ON. NO • Go to step 4. 3 Inverter Board (copier: PU2) connector is loose. YES • Reconnect. NO • Change Exposure Lamp (LA2). 4 CCD Board (copier: PWB-J) connector is loose. YES • Reconnect. 5 The following voltage is supplied from the Control Board (copier: PWB-C). <Check Procedure> Check voltage across a Control Board (copier: PWB-C) pin and GND when the Power Switch is turned ON. • Voltage across JP16C-4 and GND DC24 V when Exposure Lamp (LA2) is OFF DC0 V when Exposure Lamp (LA2) is ON YES • Change Inverter Board (PU2). NO • Change Control Board (copier: PWB-C).