SHARP ARE132 Technical Report

COPIER : AR-335

Date

:

Dec. 17, 1998

[Service Information]

No. : ARE-132

REPORT OF FLASH MEMORY VERSION
METHOD. (CORRECTION CARRIED OUT IN THE
SERVICE MANUAL.)

1.Model Name: AR-280/285/335

2.General: The ICU PWB of the models listed above includes a ROM writing function which us

sued to carry out version upgrades of the flash memory. An explanation of this function
is provided in the service manual (please refer to p7-25 to p7-26), but a change has
been carried out in the utility software which is used by this function, and is hereby
reported.

3.Description: (1) The use of the function described above.

The function described above is used when carrying out version upgrade operations
on the flash memory of each PWB (product quality improvements, function
improvements, option equipment expansion operations, etc.).

(2) PWBs which include the flash memory.

ICU PWB, PCU PWB, Operation PWB

(3) Operation environment and method of operation of the function described above.

Please refer to the attached supplemental documents.

SHARP CORPORATION Reprography Division

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AR-280/285/335 Cougar ICU PWB ROM writer function operating procedure

1. Personal computer operating environment

•OS: Windows 95 (Desk-top/Note)

• SCSI host adapter supporting ASPI

•This function is assured with the following SCSI host adapters:

PCI: AHA-2940 made by Adaptec

AHA-2910B made by Adaptec
PCMCIA: APA-1460 made by Adaptec
CardBus: APA-1480 made by Adaptec
ISA: AHA-1520B made by Adaptec

AHA-1510B made by Adaptec

•Driver software:

The newest SCSI driver software and the ASPI driver software should be
downloaded from the Adaptec Co. Web site (http://www.adaptec.com) and
installed in the PC.

•Utility Software used by the ROM writing function of the ICU PWB is provided

by our Operations Division free of charge.

2. Procedure
[1] Turn off the power and remove the cabinet of the Copier.

•Remove the rear cabinet, the flywheel, and the shield line guide.

•Remove the glass holder right, the table glass, and the dark box cover.

•Open the front cabinet , and remove the ROM cover from the frame cover A.

•When rewrite the flash ROM, can be operate without flash ROM PWB on the

OPE PWB and PCU PWB.

*When the flash ROM is rewritten using the ROM writer function described above,

it is essential that the flash ROM (program) of the ICU PWB is loaded to ICU PWB
socket-1. The targeted ROM is loaded to socket-2.

[2] Connect the SCSI connector for the ICU PWB printer board and the personal

computer with the SCSI cable. (Cable length: Max. 1m)

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