Full Half Tone (Type=5) - Canon imageRUNNER ADVANCE C3325 Series Service Manual

■ Full■half■tone■(TYPE=5) ■
This■test■print■is■for■mainly■checking■the■black■line,■white■line■and■uneven■density.
NOTE:
•■ Select:■service■mode■>■COPIER■>■TEST■>■PG■and■specify■developing■color■"COLOR-Y/M/C/K"■to■output■the■print■by■
developing■color.
•■ To■change■the■density■of■test■print,■select:■service■mode■>■TEST■>■PG■>■DENS-Y/M/C/K■and■set■the■density.
Check■item Check■method
Transfer■failure Check■that■the■transfer■failure■does■not■appear■on■entire■image. Failure■of■ITB■(scratch,■dirt)
Black■line■ Check■that■black■line■does■not■appear■on■entire■image.
(color■line)
White■line Check■that■white■line■does■not■appear■on■entire■image.
Uneven■pitch Check■that■uneven■pitch■does■not■appear■on■entire■image.
Uneven■density Check■that■uneven■density■does■not■appear■on■entire■image.
6
Troubleshooting■>■Test■Print■>■How■to■use■the■test■print■>■Full■half■tone■(TYPE=5)
Failure■of■Primary■Transfer■Roller■(scratch,■dirt)
Failure■of■Secondary■Transfer■Roller■(scratch,■dirt)
Scratch■on■Photosensitive■Drum
Dirt■on■Primary■Charging■Roller
Failure■of■ITB■Unit
Failure■of■Secondary■Transfer■Outer■Roller
Dirt■on■laser■light■path
Failure■of■Drum■Unit
Dirt■on■Dustproof■Glass
Deterioration■of■ITB
6 Troubleshooting■>■Test■Print■>■How■to■use■the■test■print■>■Full■half■tone■(TYPE=5)
F-6-2
Assumed■cause
T-6-4
6-5
6-5