FRANKJV Posted October 3, 2010 Report Share Posted October 3, 2010 I have a LP7500 and these days the printer present continued PAPER JAMMING IN PAPER EXPOSURE ADVANCE UNIT AND PAPER SUPPLY UNIT, and the margin of print sizes are descalibrated ( for example print size 15x21b is configurated up: 40mm left 40mm, right:40 mm and down:40mm and the product printed is up 60mm left 50mm right 40mm and down 20mm) also ocasionally display error 6901-512 ARCNET COMUNICATION ERROR,, I cleaning the Paper supply Unit and paper exposure but problem persist, please help me. Quote Link to comment Share on other sites More sharing options...
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