Question about Canon NP 6551 Black and White Copier
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Posted on Jan 02, 2017
SOURCE: Canon Np 6551 e502
that error is a communication error between the copier and the sorter unplug the sorter then turn the copier on should go away. probably loose connector or bad sorter board
Posted on Dec 19, 2008
a sensor in the adfeeder could be contaminated by dust if you have the blower try to blow the whole feeder unit check also if there a two tongue like black plastic that is coming out on top of the originals when pressing the start button.if this thing will not come out the machine will tell you to put the originl again
Posted on Jul 05, 2009
Press "Additional Functions", then "ID", then "Stop", then "Additional Functions" keys in that order. Press [STORE USER ID #] then press [OK] key. Press [CLEAR ALL ID #s] key. Press [OK].
CAUTION.....this proceedure totally wipes out all stored ID #'s and User Counters. To re-enable passwords, must be reinput manually.
Hope this helps.
Posted on Sep 03, 2009
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