Code :

Code: F3-12
Description: Machine no. 1 tray lift-up trouble
PED does not turn ON in the specified time. LUD does not turn ON in the specified time.
Causes: PED/LUD trouble No. 1 tray lift-up trouble Check connection of harness between the PCVU PWB, lift-up unit, and paper feed unit.
Remedy: Check PED, LUD, and their harness and connectors. Check the lift-up unit.

Code: F3-22
Description: Multi purpose tray lift-up trouble
MCPED does not turn ON in the specified time. MCLUD does not turn ON in the specified time.
Causes: MCPED/MCLUD trouble Multi purpose tray lift-up motor trouble Harness disconnection f the PCU PWB, the lift-up unit, and the paper feed unit.
Remedy: Check MCPED, PCLUD, and their harness and connectors. Check the lift-up unit.

Code: F6-00
Description: Communication trouble (ICU detection) between ICU and FAX
Communication establishment error/Fleming/ Parity/Protocol error
Causes: Slave unit PWB connector disconnection Harness abnormality between slave unit PWB and ICU PWB. Slave unit PWB mother board connector pin breakage Slave unit ROM abnormality/No ROM/ Reverse insertion of ROM/ROM pin breakable
Remedy: Check connector harness between slave unit PWB and ICU PWB. Check grounding of machine. Check slave unit PWB ROM.

Code: F6-01
Description: FAX expansion flash memory abnormality (ICU detection)
Expansion flash memory with SRAM backup data is installed
Causes: SRAM backup data is detected in expansion flash memory. Expansion flash memory in which SRAM data are backed up with SIM 66-19 is installed.
Remedy: Restore backup data to SRAM with SIM 66- 20, and clear expansion flash memory with SIM 66-10. If data are unnecessary, clear expansion flash memory with SIM 66- 10.

Code: F6-04
Description: FAX modem operation abnormality
FAX PWB modem chip operation abnormality
Causes: The boot test pin in the FAX PWB is shorted and normal operation is tried. Modem chip operation abnormality in FAX PWB
Remedy: Turn on the power again without shorting the boot test pin in the FAX PWB. Replace FAX PWB.