2G6
1-7-4
(4) Downloading errors
The following downloading errors are indicated on LED indicators when an error occurred during downloading the firmware
data.
Cause
Corrective action
DescriptionLED indicatorsLED indicators
Download finished
normally
Convention
Download errors
Slow
flashing
Fast
flashing
Lit
Off
Red
Green
Meaning
Download
data error
Deficit of a file header
Deficit of a data header
File checksum error
File header version error
Data header version error
System
download error
Download
receiving error
Replace parallel cable.
Improper connection of
parallel cable between
PC and printer
Check the contact between
PC and printer's interface
connector.
Confirm
whether the
firmware conforms to this
printer.
Replace the system DIMM
board.
Defective system DIMM
board
Defective parallel cable
Incompatibility of firmware
and system DIMM board
Obtain normal firmware.
If the corrective action above does not solve the problem, replace the engine PWB (K0010). See page 1-6-9.