Question about Ricoh Aficio 450 Copier
This code indicates that the laser is dirty, the signal of one of the diodes of the laser is not detected by the synchronism sensor.
Specialized personnel will need so that he carries out the work of cleaning.
Normally it happens when the equipment works with consumptions of low quality or when the cylinder is very low, this ocaciona that toner among others flies within the copier soiling the laser things, I recommend to use to toner of good quality if he is not original.
Posted on Oct 26, 2012
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Posted on Jan 02, 2017
sc 502 is the problem related to tray lift motor .open the backside of the machine ,almost downside u ll find one spring broken .replace tat the tray will start working.
Posted on Jan 21, 2009
SOURCE: add toner ricoh aficio 2045
Toner supply is controlled with readings from TD sensor on the developing unit
and the I.D sensor above the drum by default.
These are low cost parts and easy to change.
(The TD sensor on this model have been known to fluctuate back and forth by a fair margin so is a good place to start).
You could also try stripping down and cleaning out the toner hopper.
Check the four mylars are present and the grabber is opening wide enough to grab the toner bottle nozzle successfully.
Check the toner hopper exit slider is opening fully when the PCU is inserted.
I had one of these 'add toner' faults today and it was the toner hopper all clogged up inside.
The side bit where the toner drops down had hardened clumps of toner stuck around the side entrance mylar and the exit hole.
Check also the toner motor. I have seen these fail. Run simulation output check for toner motor. I would remove the toner supply unit and hold the motor when you run this simulation. Sometimes the motor turns but does not have enough torgue to turn the toner supply unit.
Posted on Mar 06, 2010
SOURCE: sc 322 for RICOH AFICIO
That is a LASER error code.
It can be just toner dust because that error is a bad communication between the laser synchronization detector board and the LD unit.
Sometimes the dust of toner goes to the laser and causes this error.
Try to clean the laser unit. Maybe that work
Posted on Feb 24, 2011
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