Question about Ricoh Aficio 450 Copier
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Posted on Jan 02, 2017
SOURCE: sc 322
Hello sir; Try to reset if not work you need to replace laser unit, the reset procedure as follow; press "clear mode " then 107 then press " clear/ stop " until screen change ,then touch "copier sp " ,then turn power off and back on .
Posted on Aug 26, 2009
Error Code SC322:
1st laser synchronization error
The 1st laser synchronization signal cannot be detected by the main scan synchronization detector board even if the laser diodes are activated.
+ Poor I/F harness connection between the laser synchronization detector board and the LD unit.
+ Laser synchronization detector board out of position and angle of reflection not correct
+ Laser synchronization detector board defective LD unit defective
Not sure what your expertise is on this, but unless you know how to service the machine yourself, this one is going to require a service call...
There have been instances where toner drops onto the LD Unit and creates problems like this. About a month ago I replaced the Laser Synch. Detector Board in a 1045 for this exact problem and error code.
I'd start by cleaning up any toner on the LD unit, and re-seating all the electrical connectors on the laser unit. If that doesn't clear things up, it's probably one of two things, the LD Unit or the Synch. Board. I'd lean more towards the Synch. Board myself, but you never know...
Posted on Nov 19, 2009
SC322: Laser Synchronization Error
The laser synchronization signal cannot be detected from the synchronization
detector even if the laser diodes are activated.
• Poor connection between the laser synchronization detector and the LDB
• Laser synchronization detector out of position
• Laser synchronization detector defective
• LDB defective
• SICU defective
• Front door safety switches defective
SC302: Charge corona output error 1
SC902: counter error
Posted on Apr 03, 2010
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