Read Sharp ER-A440 (serv.man2) Service Manual online
CHAPTER 3. ROM REPLACEMENT
Before trying to replace the ROM in the machine now available on the market, be sure to back up the data.
START
START
END
END
[STANDARD ECR]
[IN-LINE SYSTEM ECR]
1. Using an ER-01FD/02FD, save
the current data on the RAM to
floppy disk.
the current data on the RAM to
floppy disk.
2. Replace the old ROM with a new
ROM for EURO.
ROM for EURO.
3. Perform Master reset.
5. Perform Program (service) reset.
1. Output a check report with the
ECR in In-line setting.
ECR in In-line setting.
(PGM#3610)
2. Using an ER01-FD/02FD, save
the data on the RAM to a floppy
disk.
the data on the RAM to a floppy
disk.
(SRV#996)
9. Refer to the PGM#3610: In-line
setting check report. Start the
In-line mode using In-line set up job.
setting check report. Start the
In-line mode using In-line set up job.
(SRV#895)
11. Perform Download in the In-line
mode.
mode.
(PGM#4300)
(PGM#4600)
(PGM#4600)
(SRV#996)
*
6. Delete the existing SSP data.
(SRV#998)
4. Using an EF01FD/02FD, load the
data to ECR.
data to ECR.
8. Program the ECR for EURO
applications.
applications.
7. Perform Program (service) reset.
992
TL
10. Program the ECR for EURO
applications
applications
5. Using an ER01FD/02FD, load the
data to ECR.
data to ECR.
(SRV#998)
4. Perform Master reset.
3. Replace the old ROM with a new
ROM for EURO.
ROM for EURO.
8. Program the ECR for EURO
applications.
applications.
7. Perform Program (service) reset.
*
The SSP data for an old version ROM is included in the new version ROM.
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