Pantum P2900 Series Maintenance Manual

6–15
6.6 Image Defects
Status
Cause
Recommended Solutions
Lightly exposed
image
 The carbon powder in the
cartridges is running out.
 Poor connection at the
high-voltage contact of the high
voltage power board due to
contaminated toner.
 The high-voltage output of the
high voltage power board is
faulty.
 Replace the cartridge.
 Clean the area contaminated
with toner.
 Clean the high-voltage contacts
of the engine or replace the
high voltage power board.
Whole page is
dark
 The high-voltage charge output
of the high voltage power board
is faulty.
 The charge roller is faulty.
 The laser is faulty.
 Clean the high-voltage charge
contacts or replace the high
voltage power board.
 Replace the cartridge.
 Replace the laser.
Horizontal stripes
 Poor connection between the
high-voltage contact and the
cartridge.
 The developing roller is
contaminated; OPC or charge
roller is damaged.
 Paper pickup skidding.
 Clean the high-voltage contact
or replace the engine baseplate.
 Replace the cartridge.
 Clean or replace the pickup
roller.

Pantum P2900 Series Specifications

General

Brand	Pantum
Model	P2900 Series
Category	Printer
Language	English