Mcybk Horizontal Stripe - Canon imageRUNNER ADVANCE C3325 Series Service Manual

■ MCYBk■horizontal■stripe■(TYPE=10) ■
This■test■print■is■for■mainly■checking■the■dark■area■density■of■each■color,■each■color■balance■and■white■line■on■development.
Check■items
Uneven■density Check■that■uneven■density■does■not■appear■on■solid■area■of■
each■color
Black■line■(color■line) Check■that■black■line■(color■line)■does■not■appear■on■solid■area■
of■each■color
White■line Check■that■white■line■does■not■appear■on■solid■area■of■each■
color
6
Troubleshooting■>■Test■Print■>■How■to■use■the■test■print■>■MCYBk■horizontal■stripe■(TYPE=10)
4.0+1.5/-1.0mm
2.5 +1.5mm/-1.5mm
Check■method
Failure■of■Laser■Scanner■Unit
Failure■of■developer■in■Drum■Unit
Failure■of■Primary■Transfer■Roller
Scratch■on■Photosensitive■Drum
Dirt■on■Primary■Charging■Roller
Failure■of■ITB■Unit
Failure■of■Secondary■Transfer■Outer■Roller
Dirt■on■Laser■Light■Path
6 Troubleshooting■>■Test■Print■>■How■to■use■the■test■print■>■MCYBk■horizontal■stripe■(TYPE=10)
F-6-4
Assumed■cause
T-6-6
6-7
6-7