Question about Sharp AR-275 Copier

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Have error code e7-80 on a Sharp ARC260M copierwhich is 'ICU - SCN Communication Trouble'. Any one know what it means or how to fix it???

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Usually E7 errors have to do with the scanner or the optics. You should get a hold of a technician to see what can be done to fix it.

Posted on Aug 06, 2008

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How can i fix error e7-90 in sharp ar m351u?


E7-90: Communication trouble (ICU detection) between ICU and PCU (when the scanner is installed)

Cause:
- Defective connection of slave unit PWB connector
- Defective harness between slave unit PWB and ICU PWB
- Slave unit PWB mother board connector pin breakage

Check & Remedy:
- Check connector and harness of slave unit PWB and ICU PWB
- Check grounding of machine.


http://olsonbros.com/sharp/support/pdf_trbl/trbl-arm351u_m355u_m451u_m455u.pdf

Jun 01, 2015 | Sharp Printers & Copiers

1 Answer

How repar this problem u2 - 23 sharp arm - 451 u


SRAM memory individual data check
sum error (ICU)
Check sum error for every data in the
SRAM memory of the MFPC section
(Communication management table,
sender registration data, etcSRAM trouble
Control circuit runaway due to noises
ICU PWB SRAM access circuit trouble
.)Automatically initialize the data related
to the check sum error by turning OFF/
ON the power.
Since the registered data are deleted,
register the data again.
Use SIM16 to cancel U2 trouble.
Replace the ICU PWB.

Mar 12, 2015 | Sharp Printers & Copiers

2 Answers

Sharp mx1204 error f1-90 what is causing the error?


Hello Awelani,
The error code of F1-90 means the following;
Communication trouble between the decurler and the downstream units. OR possibly;
Communication trouble between the decurler and the units connected to the downstream of the decurler.

CAUSE; Noise on the communication line, control PWB trouble, disconnection of connector or harness.

REMEDY; Turn OFF/ON the power. Check connection of the connector between the decurler unit and the downstream units of the decurler. Replace the control PWB of the downstream units of the decurler.

A complete error code list can be found here; Error Codes Sharp MXM1204 page 11 Use the < and > to go through the complete list.

Good Luck!
Rich Lilja

Feb 19, 2015 | Sharp Printers & Copiers

1 Answer

Error codes


Content - ICU communication trouble (PCU
detection)
Detail - Communication setup
error/framing/parity/protocol error
Cause - Slave unit PWB connector improper
connection
Slave unit PWB - ICU PWB harness
trouble
Slave unit PWB mother board connector
pin breakage
Check and remedy
Check the slave unit PWB and the ICU
PWB connector connection.
Check the copier earth

Jul 25, 2013 | Sharp AR-M450N Copier

1 Answer

Copier reads e7-03


E7
Content HDD trouble

Detail
HDD connection failure
If the HDD responds an error or does
not respond for 30sec, it is judged as
an error. (Other than the system area)
Data abnormality in the file
management area (when the cluster
chain is broken)

Cause
HDD is not installed properly to the ICU
PWB.
HDD does not operate properly in the
ICU PWB.
ICU PWB trouble
Check and
remedy
Check installation of HDD to the ICU
PWB.
Check connection of the harness of
HDD to the ICU PWB.
Use SIM 62-2, -3 to check read/write of
HDD.
Replace HDD.
Replace ICU PWB.

Aug 05, 2011 | Sharp MX-2300N Color Copier

1 Answer

E7-00


E7 00 Content ICU communication trouble (ICU
detection)
Detail Communication setup error,
framing/parity/protocol error
Cause Slave unit PWB connector improper
connection
Slave unit PWB – ICU PWB harness
trouble
Connector pin breakage of the motor
PWB of the slave unit PWB
Slave unit ROM trouble. no ROM, ROM
reverse insertion, ROM pin breakage

May 01, 2009 | Sharp AR-507 Copier

1 Answer

Sharp AR-287 fault code E7-11


Hello sir; The error code means there have communication problem between main board and sub board,operation board, icu board or print, my suggestion, go buy a new copier, it not worthy to repair !

Feb 27, 2009 | Sharp AR-235 Copier

1 Answer

Sharp AR-507 code E7-00


ICU Communication error. Could be a problem with the ICU board or the connection between it and the PCU board. If resetting the machine (main power off and on) does not solve the problem you'll likely need a service call from a copier tech.

Oct 07, 2008 | Sharp AR-507 Copier

1 Answer

Sharp Ar-507


An F2 code depending on the secondary code is related to the toner or drum.

F2 00 Toner control sensor open 22 LCC 24v power abnormality
02 Toner motor connector unconnected 50 Non supported option connection (Desk Unit)
31 Process control trouble (Drum surface reflection) 51 Non supported option connection (LCC Unit)
32 Process control trouble (Drum Mark) U7 00 RIC communication trouble
37 Drum marking sensor gain adjustment error U9 00 Operation control communication trouble (ICU)
39 Process thermistor breakdown

Jan 02, 2008 | Sharp AR-507 Copier

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