Description: Drum EEPROM error No response is issued from the device in reading/writing for 5 ms or more and this problem is repeated 5 times successively. Mismatch of reading data from 2 locations occurs 8 times successively. Mismatch between writing data and reading data occurs 8 times successively.
Causes: DR PWB. Connect left PWB. Control PWB.
Remedy: DR PWB 1. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. DR PWB and drum connect PWB (YC1) Drum connect PWB and connect left PWB (YC3) Connect left PWB and control PWB (YC2) 2. If the wiring is disconnected, shorted or grounded, replace the wiring. 3. Replace the Drum unit. Connect left PWB Replace the connect left PWB. Control PWB 1. Check the control software and upgrade to the latest, if necessary. 2. Replace the control PWB and check for correct operation.
Code: F000
Description: Communication error between Control PWB and Operation PWB
Causes: Control PWB. Operation PWB.
Remedy: Control PWB 1. Turn the main power swtch off and after 5 seconds, then turn power on. 2. Check that the wirings and connetors between the control PWB and the operation panel PWB are normal. Operation PWB and control PWB (YC2002) 3. Check that the DIMM memories in the control PWB are well conducted and, if not, replace. 4. Execute U021initialize memory. 5. Replace the control PWB. Operation PWB Replace the operation PWB.
Code: F010
Description: Control PWB checksum error
Causes: Control PWB.
Remedy: Control PWB Turn the main power switch off/on to restart the machine. If the error is not resolved, replace control PWB and check for correct operation.
Code: F020
Description: Control PWB RAM check sum error
Causes: Main memory (RAM).
Remedy: Main memory (RAM) Turn the main power switch off/on to restart the machine. If the error is not resolved, replace control PWB and check for correct operation.
Code: F040
Description: Communication error between Controller and Print engine
Causes: Control PWB.
Remedy: 1. Turn the main power swtch off and after 5 seconds, then turn power on. 2. Repair or replace the wire from the control PWB, that may be grounded. (Check short-circuit between 5V and 3.3V.) 3. Check the control software and upgrade to the latest, if necessary. 4. If not corrected, replace the control PWB and check for correct operation.
Code: F041
Description: Communication error between Controller and Scan engine
Causes: Control PWB.
Remedy: 1. Turn the main power swtch off and after 5 seconds, then turn power on. 2. Repair or replace the wire from the control PWB, that may be grounded. (Check short-circuit between 5V and 3.3V.) 3. Check the control software and upgrade to the latest, if necessary. 4. If not corrected, replace the control PWB and check for correct operation.