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Printer and Photocopier Troubleshooting and Repair Collection : Laser printer drum damaged by extended e..
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(From: DenFrodo (denfrodo@aol.com).)
Yes, with extended exposure. I remanufacture toner cartridges for a time.
Long term exposure to light will effect the photoconductive layer. We even
cover areas of some (scratched) after-market drums and exposed them to sunlight
to see how it effected them. It takes extended exposure to show an effect.
No, the printer will not detect the problem and the printer will probably print
dark for the basic 'positive' image (a dark area is exposed to light) laser
printer. A scanner or copier might print light (reflective light of the 'white'
surface exposes the surface of the drum. Good Luck.