Print Quality; Print Is Too Light; Print Is Too Dark; Page Is Blank - NEC 1760 - SilentWriter B/W Laser Printer User Manual

Print Quality

This section discusses possible causes and solutions for
print output quality problems.

Print Is Too Light

Whenever you send a job to the Whenever you send a job to the Printer settings may need
printer, an "image" of the page to printer, an "image" of the page to
be printed is temporarily written to be printed is temporarily written to adjustment: Check the Toner
the rotating surface of an the rotating surface of an
electrophotographic (EP) drum. electrophotographic (EP) drum.
Density and Toner Saving
This image acts like a magnet that This image acts like a magnet that
attracts toner to the drum. (The attracts toner to the drum. (The
settings.
toner and the drum are both located toner and the drum are both located
in the toner cartridge.) in the toner cartridge.)
There may be moisture in the
At the same time, the paper (or At the same time, the paper (or
transparency film or envelope) transparency film or envelope)
paper. Load fresh, dry paper.
passes through the printer and is passes through the printer and is
electrostatically charged as it
electrostatically charged as it
reaches the drum. The toner that reaches the drum. The toner that
was previously attracted to the was previously attracted to the The toner cartridge may be
drum as an image is transferred to drum as an image is transferred to
the charged paper. The paper then the charged paper. The paper then
low: Check to see if
passes between two rollers where a passes between two rollers where a
combination of heat and pressure combination of heat and pressure
TONER
bonds the toner to the paper. The bonds the toner to the paper. The
paper is then moved to the output paper is then moved to the output
operator panel. Redistribute
tray. tray.
the toner or replace the toner
cartridge.
The toner cartridge may be damaged: Replace the toner
cartridge.

Print Is Too Dark

Whenever you send a job to the Whenever you send a job to the Printer settings may need
printer, an "image" of the page to printer, an "image" of the page to
be printed is temporarily written to be printed is temporarily written to adjustment: Check the
the rotating surface of an the rotating surface of an
electrophotographic (EP) drum. electrophotographic (EP) drum.
Toner Density and Toner
This image acts like a magnet that This image acts like a magnet that
attracts toner to the drum. (The attracts toner to the drum. (The
Saving settings.
toner and the drum are both located toner and the drum are both located
in the toner cartridge.) in the toner cartridge.)
At the same time, the paper (or At the same time, the paper (or
transparency film or envelope) transparency film or envelope)
passes through the printer and is passes through the printer and is
electrostatically charged as it electrostatically charged as it
reaches the drum. The toner that reaches the drum. The toner that
was previously attracted to the was previously attracted to the
drum as an image is transferred to drum as an image is transferred to
the charged paper. The paper then the charged paper. The paper then
passes between two rollers where a passes between two rollers where a
combination of heat and pressure combination of heat and pressure
bonds the toner to the paper. The bonds the toner to the paper. The
paper is then moved to the output paper is then moved to the output
tray. tray.
LOW ON
appears on the

Page Is Blank

The toner seal may still be in
place: Remove the toner seal
from the cartridge.
There may have been a multiple
sheet feed: Fan the paper in
the cassette.
The toner cartridge may be
low: Check to see if
TONER
operator panel. Redistribute
the toner or replace the toner
cartridge.
The toner cartridge may be damaged: Replace the toner
cartridge.
The printer power supply may have failed: Call for
service.

Page Is Black

The toner cartridge may be
damaged: Replace the toner
cartridge.
The printer power supply may
have failed: Call for service.
LOW ON
appears on the
Print Quality 8–13