AR-M35, AR-M450 (serv.man105). Additional trouble codes - Sharp Copying Equipment Technical Bulletin (repair manual)

ar-m35, ar-m450 (serv.man105) technical bulletin
Model
AR-M35 AR-M450 (serv.man105)
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2 Few pages! See other manuals at the bottom of the first or last page.
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36.51 KB
Type
PDF
Document
Technical Bulletin
Brand
Device
Copying Equipment / Additional trouble codes
File
ar-m35-ar-m450-sm105.pdf
Date

Read Sharp AR-M35 / AR-M450 (serv.man105) Technical Bulletin online

ARE302
Sharp Electronics (UK) Ltd., Technical Services Group
Date:
17 September 2001
Model: ARM350/450
Ref.:
002
Colour: White
Page:
1 of 2
1. Model Name:
ARM350/450, ARP350/450
2. General:
The addition of the trouble codes listed below has been carried out in the Service Manual.
3. Description:
<Table of Trouble Codes>.
C2
00
TC Trouble.
PCU
E7
01
Image memory trouble/ICU ASIC trouble.
ICU
E7
13
CCD light quantity check error.
SCANNER
F1
39
Console finisher punch DUST sensor trouble.
PCU
F1
40
Console finisher punch power down trouble.
PCU
H5
02
Fusing thermostat malfunction detection.
PCU
U2
22
SRAM memory check sum error in the MFPC.
ICU
CH
02
No drum cartridge.
PCU
<Details of Trouble Codes>.
MAIN
SUB
Content.
TC trouble.
Details.
Output malfunction in the transfer charger. (Output short circuit)
A trouble signal is output from the high voltage transistor.
Cause.
Foreign matter is adhered to the transfer charger.
The connector of the high voltage transistor is disconnected.
C2
00
Confirmation
and action.
Check the output of the transfer charger using Sim. 8-6.
Replace the high voltage unit.
Content.
Image data memory trouble.
Details.
Detection of ICU ASIC image data memory (SDRAM) cannot be carried out
for more than 16 MB.
The amount of SDRAM memory is not sufficient for the type of model in
which it is installed.
Cause.
The SDRAM on the ICU ASIC PWB has not been installed.
The SDRAM on the ICU ASIC PWB is not functioning normally.
The SDRAM on the ICU ASIC PWB has not been installed properly.
The ICU ASIC PWB has not been installed on the PCI bus.
The ICU PWB is malfunctioning.
E7
01
Confirmation
and action.
Check the installation of the SDRAM on the ICU ASIC PWB.
Check the SDRAM memory volume with Sim. 22-10.
Replace the SDRAM on the ICU ASIC PWB.
Check the installation of the ICU ASIC PWB.  Replace the PWB.
Replace the ICU PWB.
Content.
CCD light quantity check error.
E7
13
Details.
Adjustments of the light quantity could not be carried out during shading
operations.
ADDITIONAL TROUBLE CODES
TECHNICAL BULLETIN
ARE302
Sharp Electronics (UK) Ltd., Technical Services Group
MAIN
SUB
Cause.
Copy lamp illumination malfunction (short circuit, improper installation).
Installation of the flat cable to the CCD unit has not been carried out
properly.
Connection malfunction of the CL lead wire for the copy lamp.
The mirrors, lens, and or standard white plate are dirty.
The copy lamp power supply output is not correct.
The CCD unit is not installed properly.
The CCD unit is malfunctioning.
The SCANNER PWB is malfunctioning.
Confirmation
and action.
Clean the mirrors, lens, and standard white plate.
Check the illumination light quantity of the copy lamp (Sim. 5-3).
Check the CCD unit.
Check the SCANNER PWB.
Content.
Console finisher punch DUST sensor trouble.
Details.
Punch DUST sensor detection trouble.
When detection by the punch DUST sensor cannot be carried out properly.
F1
39
Cause.
Confirmation
and action.
The sensor is damaged.
The harness is disconnected or cut.
The punch control PWB is malfunctioning.
Content.
Console finisher punch power down trouble.
Details.
When a punch unit power down has been detected.
When a punch unit power down has been detected even though 24 V of
power is being supplied to the punch unit.
F1
40
Cause.
Confirmation
and action.
The harness is disconnected or cut.
The punch control PWB is malfunctioning.
Content.
Fusing thermostat malfunction detection.
The temperature transition of the fusing thermostat is malfunctioning
(wrapped copy paper).
Details.
Cause.
Copy paper is wrapped around the fusing roller.
The fusing pawl is malfunctioning.
The fusing unit is not installed properly.
H5
02
Confirmation
and action.
Check for a copy paper jam in the fusing section (wrapped copy paper, etc.).
Check the installation of the fusing unit.  Check the fusing pawl.
Eliminate the trouble with Sim. 14.
Content.
SRAM memory check sum error (ICU).
Details.
SRAM memory check sum error in the MFPC.
Cause.
SRAM malfunction.
Runaway control circuit due to noise.
SRAM access circuit malfunction on the ICU PWB.
U2
22
Confirmation
and action.
Initialize the one-touch dial registered in the SRAM, the FAX software
switch, etc.
Recovery is impossible because the content of the register has been
deleted.
Reset the U2 trouble using Sim. 16.
Replace the ICU PWB.
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