15 Problem Solving
420
Problem Solving
15
Black dots are
printed.
The drum cartridge has
deteriorated or is damaged.
Replace the drum cartridge with a new one.
Refer to "Replacing Drum Cartridges (for Customers
Having a Spot Maintenance Contract)" (P.66).
Black lines are
printed.
The drum cartridge has
deteriorated or is damaged.
Replace the drum cartridge with a new one.
Refer to "Replacing Drum Cartridges (for Customers
Having a Spot Maintenance Contract)" (P.66).
The constant velocity
transport glass on the
document feeder is dirty.
Clean the constant velocity transport glass.
Refer to "Cleaning White Chute and Constant Velocity
Transport Glass" (P.81).
Dirt appears at
equal intervals.
Paper feed
direction
The paper path is dirty. Print a few pages to remove the dirt.
The drum cartridge has
deteriorated or is damaged.
Replace the drum cartridge with a new one.
Refer to "Replacing Drum Cartridges (for Customers
Having a Spot Maintenance Contract)" (P.66).
White dots
appear in black
filled areas.
The paper is unsuitable. Load suitable paper.
Refer to "Loading Paper" (P.49).
The drum cartridge has
deteriorated or is damaged.
Replace the drum cartridge with a new one.
Refer to "Replacing Drum Cartridges (for Customers
Having a Spot Maintenance Contract)" (P.66).
Symptom Cause Remedy
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