Description: Communication error between main PWB and operation PWB
Causes: Main PWB. Operation PWB
Remedy: Main 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 main circuit PWB and the operation circuit PWB and between the main circuit PWB and the HDD are normal. Main PWB (YC12,YC17,YC30) and Operation PWB (YC1,YC2,YC3) 3. Check that the DDR memories in the main circuit PWB are well conducted and, if not, replace. 4. Execute U024 to initialize (FULL) the HDD. 5. Execute U021 to initialize memory. 6. Replace the Main PWB. 7. Copy the log File saved in the HDD by U964 in USB memory and contact the service support. Operation PWB Replace the operation PWB.
Code: F010 ... F013
Description: Main PWB checksum error
Causes: Defective main PWB.
Remedy: 1. Turn the main power swtch off and after 5 seconds, then turn power on. 2. If not corrected, replace the main PWB.
Code: F020
Description: System memory error Controller detection error
Causes: Defective main PWB.
Remedy: 1. Turn the main power swtch off and after 5 seconds, then turn power on. 2. If not corrected, replace the main PWB.
Code: F040
Description: Communication error between Main PWB and Print engine
Causes: Main PWB. Engine PWB. HDD Replace
Remedy: Main PWB 1. Turn the main power swtch off and after 5 seconds, then turn power on. 2. Repair or replace the wire from the engine PWB, that may be grounded. (Check short-circuit between 5V and 3.3V.) 3. Check that the FCC wire connecting between the main PWB (YC3) and the engine PWB (YC46) is normal and, if necessary, re-insert.Or, replace the FCC wire. 4. If not corrected, replace the main PWB. Engine PWB 1. Check the engine software and upgrade to the latest, if necessary. 2. Replace the engine PWB. HDD Replace the HDD.
Code: F041
Description: Communication error between Main PWB and Scanner engine
Causes: Main PWB. ISC PWB.
Remedy: Main PWB 1. Turn the main power swtch off and after 5 seconds, then turn power on. 2. Check that the wires between the main PWB and the ISC PWB are normal. 3. If not corrected, replace the main PWB. ISC PWB Replace the ISC PWB.
Code: F050
Description: Print engine ROM checksum error
Causes: Engine software. Engine PWB.
Remedy: Engine software Install the latest engine software. Engine PWB 1. Turn the main power swtch off and after 5 seconds, then turn power on. 2. Confirm that the EEPROM has been properly installed. 3. If not corrected, Replace the engine PWB.