Sharp AR-M455U Snelle referentiehandleiding - Pagina 30
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Operation Panel
When the machine is booted by the diag mode, each operation is performed with the hard
keys of the scanner. The window display is made by the LCD panel. The keys used in the
diag mode are assigned as follows:
START key
Document filing key
FAX/Image send key
Job status key
Clear key
Troubleshooting "Result:NG"
If a "Result:NG" is displayed, check for the following possible causes.
Event: The Write Protect DIP switch setting is incorrect.
Action: Make sure that the Write Protect switch of the Controller PWB is set to the release
side (down).
Note: Data cannot be written to the ROM if the Write Protect switch is not set to Release
(down). Set the DIP switch properly and retry updating.
Event: The FAX cable is not connected. (The FAX is NG.) Writing cannot occur.
Action: Connect the cable properly and retry writing.
Quick Reference Guide: AR-M355U/M455U
→
OK key
→
Up/Down select key
→
Up/Down select key
→
Menu key
→
BACK key
Operation Panel and Troubleshooting "Result:NG"
Troubleshooting "Result:NG" (cont'd)
Event: In rare cases, the ROM is broken down.
Action: Check the ROM, and retry writing. If the trouble remains,
replace the ROM.
Turning Off the Power During Update
When the power is turned OFF during the update process, though the
machine is booted, data writing cannot be assured. Retry update as
follows:
1. When the power is turned OFF during the update
process of Upgrade Procedure 1:
Retry the update procedure. If the machine is not booted or
the hard keys are not invalid (**), retry of the update is
failed again, replace the ROMs with the spare one of the
PCU, the controller BOOT, and the scanner ROM, and try
the update procedure of Upgrade Procedure 2 for the
replaced ROMs. (** When the backlight of the display is
lighted but the hard keys are invalid, all LED's flash.)
2. When the power is turned off during the update process of
Upgrade Procedure No. 2.
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