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Sir, Mam, When the developer was changed did the tech use a vacuum cleaner if so he may have destroyed the ATDC sensor. Clear counters first EXIT once THEN POWER OFF Master Power Rear left side (DO NOT EXIT ALL the WAY OUT OF SERVICE MODE), dump old developer, install new developer run F8. Do not run copies or prints before running F8 Remove Ethernet cable and FAX line to prevent any printing.
Sounds as if the drum needs to be replaced if it does this on copies and prints. If it just happens on copy when using the document feeder then try cleaning the narrow piece of glass that is located just to the left of the large piece of glass.
I have a similiar issue that just started happening recently - the printer shows FULL inks but the PC thinks it has empty inks. I tried the * #, 123 reset hardware failures, but that didnt help. Printer run self diagnostics says all is fine....
I am using USB connections - and this has been fine for years, until now. Maybe a microsoft patch issue?
You may have an element or two on the left side of the printhead that is worn out and not printing. The best way to see if elements are not working is to use the widest label you have and run the PAUSE test. Turn the printer off, press and hold the PAUSE key while you turn the printer on. Keep pressing for about 10 seconds and then you can let go. When the printer is finished starting up, a test pattern will print. Part of the pattern is a black box. Any elements that are not working will show as white vertical lines. The only way to correct is to replace the printhead.
You are getting black lines in green color,and apperence of parallel light and dark lines because your colour catridge is almost empty.So solution is replace the catridge and take a printout. There is no proplem with a printer. i think it solves your problem.
Open the cover over the print head and *carefully* inspect the clear thin plastic strip that runs from left to right near the print head. If you see any lubricant (white grease) on this encoder strip, it needs to be cleaned off.
1. With the cover open and the print head in the center, unplug the power cord. This will allow you to gently move the print head left or right.
2. With a cotton swab wetted with rubbing alcohol, *gently* wipe the grease spots from the encoder strip. (Be VERY CAREFUL you don't dislodge the strip.) You may need to move the print head to the left or right to get all areas cleaned.
3. Let the alcohol dry off completely. With the area clear of cleaning tools, debris, and fingers, plug the power back in.
4. Try a test print.
Hello sir; When you make copy is through by ADF? make another copy leave on the glass, compare both, is that same with the line then you have to replace drum blade, if first one with the line and second one without the line, then you need to clean a narrow strip glass on left hand side of the plateform.