Call Service C7100 /C7900 Error Code Kyocera Taskalfa 2200/1801 Series ||Call Service C7100 /C7900

1- Call Service C7100 - Toner Sensor Error 2- Call Service C7900- Drum EEPROM error ??? Toner sensor error ??? Sensor output value of 8 or less Call Service C7100 - Toner Sensor Error Toner sensor 1. Check the toner sensor output by U150. 2. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. Toner sensor and main/engine PWB (YC9) 3. If the wiring is disconnected, shorted or grounded, replace the wiring. 4. Check that the gears of the Developer unit are not damaged and the spiral can rotate. 5. Replace the Developer unit. Toner motor 1. Draw out the toner container and execute U135 to check the toner motor operation. 2. Check the drive gear can rotate or they are not unusually loaded and, if necessary, replace. 3. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. Toner motor and main/engine PWB (YC12) 4. If the wiring is disconnected, shorted or grounded, replace the wiring. 5. Replace the Toner motor. Main/Engine PWB 1. Check the main/engine software and upgrade to the latest, if necessary. 2. Replace the main/engine PWB. Call Service C7900- Drum EEPROM error No response is issued from the device in reading/writing for 5 ms or more and this problem is repeated five times successively. DR PWB 1. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. DR PWB and main/engine PWB (YC9) 2. If...