Fuji Xerox ApeosPort-V C7785 Administrator's Manual page 444

15 Problem Solving
Black or colored
lines are printed.
Dirt appears at
equal intervals.
Paper feed
direction
White dots
appear in black
filled areas.
15
444
Symptom
The drum cartridge has
deteriorated or is damaged.
The constant velocity
transport glass for the
document feeder is dirty.
The paper path is dirty.
The drum cartridge has
deteriorated or is damaged.
The paper is unsuitable.
The drum cartridge has
deteriorated or is damaged.
Cause
Replace the drum cartridge with a new one.
Refer to "Replacing Drum Cartridges (for Customers
Having a Spot Maintenance Contract)" (P.78).
Clean the constant velocity transport glass.
Refer to "Cleaning the Document Presser and Narrow
Glass Strip" (P.94).
Print a few pages to remove the dirt.
Replace the drum cartridge with a new one.
Refer to "Replacing Drum Cartridges (for Customers
Having a Spot Maintenance Contract)" (P.78).
Load suitable paper.
Refer to "Loading Paper" (P.48).
Replace the drum cartridge with a new one.
Refer to "Replacing Drum Cartridges (for Customers
Having a Spot Maintenance Contract)" (P.78).
Remedy