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Re: white line on printed paper
White lines down the page are created by blockage of the lasers light. most adf units have mirrors incased with in the scanning assembly dirt on these mirrors can create this if your using the adf copy feeder check the glass for bi-product build up it doesnt take much to create this problem, and the build up is usaully almost transparent but its enough. knowing what unit your using would help alot
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fuser drum is bad. photocopier use electricity to transfer the toner to the paper, then it is heat fused to paper. it appears that the problem is occurring around the time that the toner is attracted to the paper.
Are the lines across the page, in the direction of text, or from top to bottom. If from top to bottom, watch the scanner bar with the cover up, see if anything looks odd. If the paper moves in this machine, like from an auto feeder, it could pick up a streak from something in the path. Checking, this unit is a laser printer. When replacing toner, there usually is a little tab thingy that is supposed to be moved back and forth over a little wire. The wire must be kept clean, too. Also, there may be a white bar with a glass cover that is to be cleaned very carefully every time toner is changed. Find this piece of glass, a speck of dust is probably your culprit.
try to turn off the printer, unplug cables and remove the toner, then check if there loose papers inside the machine. You can use flashlight to determine if there are such loose papers. Then reinsert the toner, insert the cables and battery and turn on the machine. If symptom persist, consult xerox phaser for possible repair..
Vertical lines on the copy usually indicate a dirty drum or Corona wire. The Corona wire should be cleaned each time you replace the toner cartridge. This is done by moving the Corona tab back and forth across the wire several times to clear it of debris. You may also want to check the drum for debris. Holding the copied page to where it feeds out and lining up the line or mark on the page will give you an idea as to where the dirt may be. Best of luck with your printing issue. Greg
wjite areas are usualy to do with dust on the scanner mirrors or on the lens slips for the laser unit. when you lift the feeder of the copier put a liece of paper on the glass and do a copy if you look at the scanner mirors where the bulb is you might see some dust either white paper dust or dirt this has a blanking effect on the copy quality also if you are connected to print to the machine and the copies are fine then this points to the copy side of things and the dirty mirrors.. they can be cleaned off with a dry cloth.. first turn off the machine then undo the screws holding th covers on the top holding the glass in place.. then gentley move the scanner to the side so you hav eaccess to the mirrors and gently wipe the dust off.. then replace glass and covers and try again. if the lines are still there the problem is with the dev units or toner supply.. also check the amount of toner in all cartridges as this will afffect the colour balance if one is out..if you let me know what machine you have I can probably get more details on proceedure
A common mistake is that people think that the waste toner needs to be emptied and instead the toner needs to be replaced --- and vice versa. Check to make sure that the toner bottle is not empty. Also, if you made copies that took ( used ) more toner then the machine was able to replenish, the machine has not had a chance to catch up. Place a white sheet of paper on the platen glass and make blank white copies. You may only be able to get 1-2 copies at first but as the device catches up with the toner replenish you should be able to make more. The blank copies you make -- do NOT put that paper right back into the machine. Lay it flat and let it cool, this will help prevent unwanted jamming due to heat build up in the paper. IF you have good amount of new toner in the machine, gently tap the front line ( or rear line) that feeds the used toner into the waste bottle. Sometimes the waste toner will clog and back up into the machine giving false 'waste toner full' message.
It depends... never use a Reman cart in these machines... only use sharp...especially if the machine is under warranty. Does this happen when, Using the Doc Feeder When making copies from the Glass Or when you print from a computer (assuming you print from a PC) If you print something and this happens then it is inside the machine Probably toner or developer dumping... Take a few pieces of large white paper and cover the entire glass surface... make a copy is the line there? If so see the answer above... if not then close the top and make a copy with no paper on the glass... is that black line there.. If so then your top needs adjustment... One more test If you make a copy using the doc feeder, this black line only occurs when making copies with the doc feed, clean the **** glass, and try again...
You could remove the color and black&white drum units and check from below the units to visually observe lines on all the 4 drums. If so, you have to change the drum unit/units. Drums occassionally get damaged before life this way due to solid toner particles inside the toner bottle.Always "shake the toners very well" before replacement, and if you print rarely, then remove the toners and do the shaking to prevent clogging due to inactivity.