Downloading Error - Kyocera FS-1020D Service Manual

2FM
(4) Downloading errors
The following downloading errors are indicated on LED indicators when an error occurred during downloading the firmware
data.
Download finished
normally
LED indicators
Convention
Red Green Meaning
Slow
flashing
Fast
flashing
Lit
Off
If the corrective action above does not solve the problem, replace engine board (KP-1046). See page 1-6-9.
1-7-4
LED indicators Description
Download
data error
System
download error
Download
receiving error
Download errors
Cause
Deficit of a file header
Deficit of a data header
File checksum error
File header version error
Data header version error
Incompatibility of firmware
and system DIMM board
Defective system DIMM
board
Improper connection of
parallel cable between
PC and printer
Defective parallel cable
Corrective action
Obtain normal firmware.
Confirm whether the
firmware conforms to this
printer.
Replace the system DIMM
board.
Check the contact between
PC and printer's interface
connector.
Replace parallel cable.