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Here are a few questions we're commonly asked, together with our answers. If you have a different question, please contact us . We'd like to respond.
Laser Toner Cartridge FAQ Ink Cartridge FAQ Toner Cartridge Chip FAQ
Continuous ink System FAQ OPC Drum FAQ Bubble Bag FAQ
Fuser Film Sleeve FAQ Toner Powder FAQ Other Products FAQ
 
OPC Drum FAQ
1. Why black spots appear on the cycle of OPC drums?
Lower electrical potential on the surface of opc drums
1) Black spots occur by the remains of other substance on the surface
2) Drum surface damaged by external shock
Toner on the surface of drums
1) Toner builds up due to concavo-convex irregularity of drum surface
2) Toner builds up due to the presence of sticky or adhesive substances on the surface.
3) When substances from toner come into contact with the surface of drums
ink
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