Kyocera FS C5020N - Color LED Printer Service Manual page 140

2F3/2F4
(1) Downloading the firmware from the parallel interface
To download the system firmware using the parallel interface, use the procedure below. Note that you can download both
the system and engine firmware at a time.
1. Turn printer and PC power off.
2. Connect the parallel printer cable between
the PC and the printer.
3. Turn printer power on.
4. Confirm that display (1) is displayed.
5. At the DOS prompt, enter command (2).
* Enter UPGR 'SYS' in capitals.
6. Confirm that message display (3) is dis-
played.
7. At the DOS prompt, enter command (4) so
that the system firmware (example:
S2F3_3000001021.cmp) is copied to the
printer.
8. Message display (5) is displayed during
downloading. When message display (6) is
displayed to indicate downloading is fin-
ished, turn printer power off and then turn
on.
9. Confirm that message display (7) is dis-
played after warm-up.
10. Print a status page. Check that the status
page shows the updated firmware version.
1-7-2
Parallel interface connector
To PC
Message display
Ready
(1)
(2)
>echo !R! UPGR'SYS';EXIT;>prn
Supervisor mode
(3)
parallel waiting
>Copy /b S2F3_3000001021.cmp prn
(4)
(5)
Downloading
(6)
2F3_3000.001.021
04/04/26 [E1F9]
Machine code
2F3: 16 ppm printer
2F4: 24 ppm printer
Firmware category
1: Engine controller
3: Printer (main) controller
Supplement
Power switch: Off/On
(7)
Ready
Parallel printer cable
Figure 1-7-2
PC DOS display
Classification
Update history
build number
Release date
Year/Month/Day
Checksum
Figure 1-7-3