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Sharp 7900 black copies and low developer




By suzolsen on Jan 24, 2009

" "
First the copier started making more and more totally black copies, and the low devloper warning light was on. Toner had spilled inside the copier. I cleaned and vacuumed all of the excess toner.

Is developer and toner the same thing? There are separate warning lights for each. I have puechased a new toner cartirdge and a bag of developer. I know how to install the toner cartridge. What do I do with the developer?
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Clarification Request

Posted by ccat342 on Jan 26, 2009

sf-7900 right?
totally black or just very dark?
totally black should be a bad copy lamp/temp fuse problem.
does it light up when you copy?

Posted by jpd8 on Jan 24, 2009

..?.. why did you buy the dev. material? Did some one tell you to replace? You will have to take out dev. unit, take apart, clean and vac. dev. unit, install new dev. matr., install dev. unit into machine and then intil. the dev.unit/ material. IS this something you can do?

If toner or dev. material in spilling into machine you may have to replace seals and/or bushings as well.

Solution #1

posted on Feb 01, 2009
Not Rated)

thesharpman
thesharpman

Rank: Guru 
Rating: 92%, 38 votes
The problem is the drum blade is going bad.This machine is about 15 years old not worth the time or money plus alot of parts are no more.
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This Problem Also Relates To: HP 610 Color Copier HP 260 Color Copier Panasonic Workio DP-2000P Grayscale Copier Panasonic (FP-D355DC) Copier Panasonic Workio DP-3530 Grayscale Copier Panasonic DP-C263 Copier Sharp MX-2300N Color Copier

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