Compuprint PageMaster 402N, User Manual

Page: 119 / 216

Apr 02
Compuprint PageMaster 402N User Guide 5-31
Print Image Quality Problems
Black lines on the page
The following characteristics define this print image problem:
• There are black lines running either horizontally or vertically on
the page. The lines may be isolated lines or they may be in
groups or in tight patterns.
• The control panel does not display an error code.
The following procedure guides you through multiple actions that
may solve this print image quality problem. Proceed one step at a time
until the problem is solved—you may not need to complete the entire
procedure. If one of the steps in this procedure corrects the problem
but the identical problem returns in less than 50 prints, call for service.
1. Replace the toner cartridge with a new one.
The toner cartridge may be scratched or damaged.
2. Call your service technician.
This image quality problem may be caused by a malfunctioning or broken component that
requires service.
Ghost images on the page
The following characteristics define this print image problem:
• Faint ghost images appear randomly on the page. The image is
generally a shadowy version of the previously printed page. The
quality of the main image is usually not affected.
• The control panel does not display an error code.
The following procedure guides you through multiple actions that
may solve this print image quality problem. Proceed one step at a time
until the problem is solved—you may not need to complete the entire
procedure. If one of the steps in this procedure corrects the problem
but the identical problem returns in less than 50 prints, call for service.
1. If you were printing multiple copies of the same image, print 20 pages of varying images.
Printing repeated impressions of the same image may leave a slight residual electrical image or
faint toner image on the surface of the toner cartridge drum. This faint image is then trans-
ferred to the sheet of paper along with the main image.
2. Replace the toner cartridge with a new one.
The toner cartridge cleaning system may be malfunctioning, failing to clean the previous
image completely off of the toner cartridge drum.
3. Call your service technician.
This image quality problem may be caused by a malfunctioning or broken component that
requires service.