Epson AcuLaser C8500, Service Manual

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EPSON AcuLaser C8500 Revision C
Disassembly/Assembly/Adjustment Disassembly/Assembly Procedures 3-7
6. You see the messages changing as follows:
(Takes about 10 minutes to complete.)
7. When the message is “
Ready
”, the program has been downloaded. Then
turn the printer off.
8. Turn the printer back on and print a status sheet. Then, referring to the
status sheet you printed in step 1, check that the program firmware version
printed beside the left column of the new status sheet has been updated.
3.2.3.2 Updating by copying from the FLASH ROM module
Follow the steps below.
1. Install the ROM module which has the program ROM source to the socket
B of the CONTROLLER PWB.
NOTE: Leave the ROM module in the socket P of the CONTROLLER PWB
as it is.
2. Set the ROM module in which the program is to be written in the socket A
of the CONTROLLER PWB.
NOTE: Format this ROM module in the way describe in Section 3.2.3.3.
3. Turn the printer on while pressing the “On Line”, “Alt”, and “Enter” buttons.
(Keep the buttons down until proceeding to Step 4.) All the LED lamps and
LCD on the panel come on and the LCD indicates the message below:
Numeric is shown in place of **.* and starts counting up, then the engine
initialization takes place.
4. When the printer enters the program ROM copy mode, the LCD message
shown below appears.
Then press the Enter button. You see the message below:
“Writing DIMM P”
→
“Reset “
→
“Ready”
RAM CHECK**.*MB
DIMM COPY MODE
DIMM B>A COPYING