Question about Ricoh Aficio 450 Copier

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I Have Ricoh 4000 giving SC-220 after cleaning LD please guide

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Laser synchronization ditection error

Posted on Dec 30, 2010

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1 Answer

How to remove error code sc 220 in ricoh 4000 copier?


SC 220 - The Laser Diode Unit has failed
[Action]
Replace the Laser Diode Unit. Part Number B2471859.

Apr 29, 2017 | Ricoh Office Equipment & Supplies

1 Answer

Sc 241 ricoh mp c300


LD error
LD error continues for 0.5 seconds. (After LD error is detected, a release of LD error is written to the GAVD circuit during monitoring.).

LD unit defective

Dec 03, 2013 | Ricoh Office Equipment & Supplies

1 Answer

Sc 220 and sc 305


sc220 means laser synchronizing detector board, (used to determine the start timing of laser writing), does not send asignal while the polygon motor operates normally and the LD
mirror in laser may be stink clean it carfully and clean small board synchro which detect invisible laser beam

sc 305 means pcr primary charge roller did'nt work correctly that means did't give sufficient charge to drum unit possible causes pcr defective

Feb 08, 2011 | Ricoh Aficio 1224C Black and White Copier

2 Answers

Sir my Ricoh 1045 machine have SC 326 problem, after taking a single copy the error code comes. please give a good solution to clear my problem. thanks


sc326 is a laser synchronization error. The problem is usually caused by the laser sync detection board or the LD unit.

Jun 02, 2010 | Ricoh Aficio 1035 Copier

3 Answers

Ricoh 1035 laser problem


sometimes the plastic of the laser is turned by the heat proves to relax and to fit the screw that holds the laser unit that is of the side of the drum while it raises a millimeter with a screwdriver, this sometimes works.
Verifies that the glasses and mirrors well be positioned correctly.
Other

Poor connection between the laser
synchronization detector board and
the LD unit.
Laser synchronization detector board
out of position
Laser synchronization detector board
defective
LD unit defective

May 07, 2009 | Ricoh Aficio 1035 Copier

3 Answers

Sc 322, sc 326 codes


Never heard of this happening to five machines before.  Check the connections in the laser unit.

Oct 25, 2008 | Ricoh Aficio 1035 Copier

2 Answers

Aficio 450


SC 322 is a laser diode problem. It will require service.

Mar 27, 2008 | Ricoh Aficio 450 Copier

1 Answer

Smearned Printing on Ricoh Aficio AP3800C Laser Printer


Hi there the smudges are most likely down to the black PCU (Drum Unit) and following are the reasons for the two fault caode you have given me.

SC 261 LD HP sensor
not switched
off (for K only)
After the laser beam pitch was
changed, it takes more than
five seconds for the HP sensor
to switch off.
• Defective motor
• Defective sensor
• Mechanical problem
when switching the
actuator
• Brown fuse (FU81) on
the Power supply unit
1. Turn the main switch off and on.
2. Check the sensor actuator position of
the LD positioning motor.
3. Replace the LD positioning motor.
4. Replace the LD home position
sensor.
5. Check and/or replace the PSU.

SC 380 Black
development
motor error
SC 381 Color
development
motor error
When the motor speed is
within the target level, the
motor sends a lock signal
(High to Low at CN214-5) to
the BCU.
SC380 is detected under the
following conditions:
• The Lock signal stays High
2 seconds after the motor
turns on.
• The Lock signal stays Low 2
seconds after the motor
turns off.
• The Lock signal stays High
for more than 2 seconds
while the motor is on.
• Defective motor
• Defective BCU
1. Turn the main switch off and on.
2. Replace the motor.
3. Replace the BCU.

Hope this is any help

Thanks J

Feb 21, 2008 | Ricoh Aficio AP3800C Laser Printer

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