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I tried changing the the size to a reduction. It took the sheet from the top and copied it at a reduced size with no problem. Then I switched back to normal size and it worked just fine. I would have never thought to try a different size without your suggestion. Thanks for the help
see the cartridge do is good installed. Remove the cartridge and putt it again. If the problem do not go away please try with other cartridge. Or if the printer is ink-jet printer and you have not used it for some time than the ink can be stuck
The machine should automatically recognize the new PCU. Blank copies would lead me to think you have further problems, charge corona? transfer issues? If you try to make a copy and open the front door real fast when the paper should be at the transfer unit, is there an toner image showing on the drum? If yes, then you have charge but not getting transfer. This is a hard problem to troubleshoot without seeing machine. Anyway good luck, please rate this. Thanks ..... Wait... just had a thought. On the shaft, on the inside of the rear frame, that drives the drum there is a coupling that is spring loaded. Sometimes the shaft gets gunked up and coupling does not pop out not connecting to the PCU, which could cause blank copies and will still say replace pcu. You could add a couple of drops of oil to that shaft to loosen it up if that's the case.
Are the lines horizontal or vertical? DO you get lines on B/W copies (black and white) also? If you try to copy a blank white page do you get the lines? Does the toner / lines wipe off after the copy comes out? If the toner wipes off after the copy comes out you have a problem in the fusing unit ( the hot area that fixes the image onto the page). If the lines are vertical then you have something inside the device that is dragging across the page as it goes through the device. If the lines are horizontal then you it could be the drum cleaning blade, the transport blade, or charge roller. The noise could be that one of the blades are bouncing. It could be that a gear is worn. Please give more info on the problem to better help.