Read Sharp AR-275 (serv.man2) Handy Guide online
AR-235/275
Technical Information Pack
Document Systems Support
19
11.
Firmware Upgrade
The procedure of upgrading Flash ROM versions of the Copier engine is relatively simple,
requiring no specialised hardware aside from a Personal Computer and an RS-232
connecting cable (level converter is not needed).
requiring no specialised hardware aside from a Personal Computer and an RS-232
connecting cable (level converter is not needed).
The cable required for connecting the personal computer to the copier is an RS-232
crossover (null-modem) cable, which must terminate with a 9-pin connector at the copier
end. A suitable cable can be purchased from Maplin Electronics – part number VD76. Please
contact Maplin Electronics directly on 0870 2646000 for more information.
crossover (null-modem) cable, which must terminate with a 9-pin connector at the copier
end. A suitable cable can be purchased from Maplin Electronics – part number VD76. Please
contact Maplin Electronics directly on 0870 2646000 for more information.
The following diagram represents the connection between the Personal Computer and the
copier:
copier:
The copier should be switched off whilst connecting the crossover cable between the
interface circuit and the Personal Computer, and should remain off whilst the maintenance
(upgrade) software is being loaded. Once the maintenance program has started with the
correct password, it is then possible to supply power to the copier. If the cable has been
connected correctly and the software is running properly it should then be possible to see the
upgrade options appear on the screen. Note that it is possible to perform an all-area
download, in order to upgrade all flash ROM components (except PCL), and it is also
possible to upgrade separate components individually – Operation Panel, E-Sort, Fax (if
installed), and Finisher (if installed).
interface circuit and the Personal Computer, and should remain off whilst the maintenance
(upgrade) software is being loaded. Once the maintenance program has started with the
correct password, it is then possible to supply power to the copier. If the cable has been
connected correctly and the software is running properly it should then be possible to see the
upgrade options appear on the screen. Note that it is possible to perform an all-area
download, in order to upgrade all flash ROM components (except PCL), and it is also
possible to upgrade separate components individually – Operation Panel, E-Sort, Fax (if
installed), and Finisher (if installed).
During the maintenance operation, the program will check the version number of the selected
Flash ROM component and will not overwrite contents of Flash ROM if they are more recent
than the files stored on the Personal Computer. To check the firmware versions installed in
the copier, you may perform simulation 22-5.
Flash ROM component and will not overwrite contents of Flash ROM if they are more recent
than the files stored on the Personal Computer. To check the firmware versions installed in
the copier, you may perform simulation 22-5.
To complete the upgrade, close the maintenance program and switch copier power off.
Remove crossover cable, switch machine on and then perform simulation 22-5 to check
firmware has been successfully upgraded.
Remove crossover cable, switch machine on and then perform simulation 22-5 to check
firmware has been successfully upgraded.
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