when i start duplex copy in Ricoh 551 the error Code 321 start what is this
when i start duplex copy in Ricoh 551 the error Code 321 start what is this
I don't know what that has to do with duplex but the code is a laser code.
SC321: No laser writing signal (F-GATE) error 1
The laser writing signal (F-GATE) does not go to LOW for more than 15 seconds
after the copy paper reaches the registration sensor.
- Possible causes -•BICU board defective
•Poor connection of the printer controller
•Printer controller defective
probably is your relay sensor on the registration unit or if you have a print controller could be that
Could be a problem with the duplex. The paper is not reaching the reg. roller in time. Check or replace the duplex clutches, tray 1 clutches, the reg. mylars behind the B2 door and the relay clutch in the reg. unit. The sensors already mentioned are a good idea also. Have fun.
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