This isn't actually "my" problem, but I have a friend in the business who has trouble with several (3) Sharp AR-168S machines. Evidently they double image on the 1st copy only. If he runs say 10 copies, the 1st one comes out with the double/residual imaging, and the 2nd through tenth come out fine. He has tried replacing the drum, and it didn't make a difference. The problem still existed. If anyone has seen this problem and has a solution, I would greatly appreciate any advice. Thanks.
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Re: Double image on the first copy only
Well, double images are most commonly caused by the drum - but I see you already replaced that. They could also be caused by the fuser or charger. Has he tried cleaning the charger. Instructions for that are on page 89 of the manual - which you can view here:
Assuming that doesn't work (which it probably won't, but always try the easy fixes first), he probably needs a new fuser, or possibly a new charger roller.
You should be able to tell which by measuring the distance between the first image and the double image, and comparing it to the circumference of each roller. Whichever one matches is the culprit.
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Double print usually happens when Drum completed its life and Cleaning Blade unable to clean the drum surface properly, Replacing of Drum and Cleaning blade will gave you good copy quality, Don't forget to clean Charger unit
F5 errorContent Copy lamp error Detail Copy lamp voltage detection error Cause Power unit trouble, Copy lamp trouble Inverter trouble, MCU PWB trouble Check and remedy Replace the power unit.Check the copy lamp ON with SIM 5-3. Replace the copy lamp. Replace the inverter. Replace the MCU PWB.
copy lamp disconnection trouble - copy lamp or cpy lamp drive circuit (inverter PWB) trouble copy lamp disconnection. If lamp does not light when you power up machine, the lamp is burned out or board is bad.
DEAR FRIEND, 1.CONNECT YOUR PHONE TO YOUR COMPUTER 2.DOUBLE CLICK THE COMPUTER ICON ON YOUR DESKTOP 3.LOOK FOR THE PHONE'S FILE AND DOUBLE CLICK IT 4.LOOK FOR THE IMAGES FOLDER AND DOUBLE CLICK IT 5.COPY THE IMAGES THAT WANT AND PASTE IT ON THE COMPUTER'S DESKTOP.
It's one of two of these solutions. The fixing rollers more so the upper fixing roller which is the hot rollers at the exit end of the copier is dirty or need replacing. Or the drum has a cleaning blade on it that needs replacing. If you look at the drum and see if toner is still on the drum if so then your cleaning blade needs replacing. Also if that copier uses a blanking lamp then it might not be turning on so you can get double images.