Up-Dating Rom Program - Epson EPL-5700 Service Manual

EPL-5700
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Initialization of Panel Setting Values
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Turn on the power while pressing Continue switch, then the printer
resets panel setting values to the original setting which were set at the
factory.
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Then, printer goes to Warm Boot and returns to the normal condition.

1.3.4.2 Up-dating ROM Program

Since the ROM programs, which were produced during the initial mass-
production, are using Flash-ROM, they can be up-dated through the parallel
interface from the host computer, when it becomes necessary to up-date.
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Procedure for up-dating
1. Connect the printer and host computer by parallel interface cable.
2. Turn the power of the printer on, while pressing On-line, Form Feed and
Continue switches.
3. Stop pressing switches after Paper, Toner and Memory lights turn on.
Continue light and From Feed light turns off 3 seconds after other lights turn
on with flashing On-line light. The printer is ready to receive the program
data from the host computer.
4. Transfer the program data by COPY command of DOS from the host
computer, as it is shown below.
>COPY_/B_File Name_LPT1 press Return key.
Note) "_" above means to take one space.
CHECK POINT
Printer should be receiving condition before the
data is sent from the host computer.
The printer indicates that old program is being erased, turning the Toner,
Memory and Form Feed lights on and blinking the on-line light.
Then, the printer indicates that new program is being written, turning the
Memory and Form Feed lights on and blinking On-line light.
5. On-line light blinks and other lights turns off after up-date process is
completed normally.
6. Press On-line switch and re-boot the printer.
Rev. A
CAUTION
If you fail to up-date the program ROM correctly,
Service Req. Error appears and the printer will not
be able to start.
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Solution when error occurs.
If up-dating RON fails, error is indicated and goes to Check SUM error
(service req. error) without appropriate operations.
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Write Error
Because of defective device of Flash-ROM or defective confection
with DIMM slot, Paper, Continue and Form Feed lights turn on while
writing or erasing program , then On-line light blinks and light error is
indicated. Operation is canceled by pressing Alt switch. In this case,
old program still remains and transferred data is red but abandoned.
Up-date is proceeded by pressing On-line switch, but the printer does
not operate well.
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Data Error
Data error is indicated by turning Toner, Continue and Form Feed
lights on and blinking On-line light.
Operation is canceled by pressing Alt switch. In this case, old
program still remains and transferred data is red but abandoned.
Up-date is proceeded by pressing On-line switch, but the printer does
not operate well.
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Address Error
This error occurs when writing address to program ROM is done out
of range. Address error is indicated by turning Toner, Continue and
Form Feed lights on and blinking On-line light. Operation is canceled
by pressing Alt switch. In this case, old program still remains and
transferred data is red but abandoned. Up-date is proceeded by
pressing On-line switch, but the printer does not operate well.
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Check SUM Error of Program ROM
When up-dating ROM fails, Check SUM error appears. Memory and
Continue lights turn on and On-line light blinks to indicate Check SUM
error. Press On-line switch and re-boot the printer.
Chapter1 Product Description
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