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What is a Phaser 550 error 12?

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dtowlson

Technical User
Oct 29, 2003
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It was working fine until it started showing an error 10 and would print but the printed image would be wavy in the center. Shortly after that it became an error 12 and won't print. It also makes a kind of a rising and falling whiny noise half way thru initializing.
 
Error 12 is a laser syncronization error, and occurs when an input signal is not present, to cure this:
inspect the flex printed circuit between CN502 of the Laser Driver Board and CN550 of the Laser Scanner Unit and check the cable from the LDB to the ECU, CNXXX to CN3, and Check the cable from the LDB to the ECU, CNXXX to CN8, if the cables are ok replace the Laser Driver Bd. (LDB) P/N 118-9333-00
 
Hi Peter,
I have the same (?) error 12 on my Phaser 740 after replacing the imaging unit. What is 1 cent/30 minutes work?
Thanks in advance.
Peter (Hamburg/Germany)
 
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