Vertical Streaks; Solid White Vertical Lines; Blank Spots - NEC 1760 - SilentWriter B/W Laser Printer User Manual

Vertical Streaks

Whenever you send a job to the
There may be torn pieces of
printer, an "image" of the page to
be printed is temporarily written to
paper in the path from a
the rotating surface of an
electrophotographic (EP) drum.
previous jam: Check and
This image acts like a magnet that
attracts toner to the drum. (The
clear the paper path.
toner and the drum are both located
in the toner cartridge.)
The toner cartridge may be
At the same time, the paper (or
transparency film or envelope)
passes through the printer and is
damaged: Replace the toner
electrostatically charged as it
reaches the drum. The toner that
cartridge.
was previously attracted to the
drum as an image is transferred to
the charged paper. The paper then
passes between two rollers where a
combination of heat and pressure
bonds the toner to the paper. The
paper is then moved to the output
tray.
Repetitive Marks
Whenever you send a job to the
The paper path may be
printer, an "image" of the page to
be printed is temporarily written to
contaminated: Print several
the rotating surface of an
electrophotographic (EP) drum.
blank sheets of paper to
This image acts like a magnet that
attracts toner to the drum. (The
clean out any dirt.
toner and the drum are both located
in the toner cartridge.)
The toner cartridge may be
At the same time, the paper (or
transparency film or envelope)
damaged: Replace the toner
passes through the printer and is
electrostatically charged as it
reaches the drum. The toner that
cartridge.
was previously attracted to the
drum as an image is transferred to
the charged paper. The paper then
passes between two rollers where a
combination of heat and pressure
bonds the toner to the paper. The
paper is then moved to the output
tray.
8–14 User's Guide

Solid White Vertical Lines

Whenever you send a job to the
There may be torn pieces of
printer, an "image" of the page to
be printed is temporarily written to
paper in the path from a
the rotating surface of an
electrophotographic (EP) drum.
previous jam: Check and clear
This image acts like a magnet that
attracts toner to the drum. (The
the paper paths.
toner and the drum are both located
in the toner cartridge.)
At the same time, the paper (or
The toner cartridge may not be
transparency film or envelope)
passes through the printer and is
properly installed: Reinstall
electrostatically charged as it
reaches the drum. The toner that
the toner cartridge.
was previously attracted to the
drum as an image is transferred to
the charged paper. The paper then
The toner cartridge may be
passes between two rollers where a
combination of heat and pressure
damaged: Replace the toner
bonds the toner to the paper. The
paper is then moved to the output
tray. cartridge.

Blank Spots

Whenever you send a job to the
The paper may not meet
printer, an "image" of the page to
be printed is temporarily written to
specifications: Use
the rotating surface of an
electrophotographic (EP) drum.
recommended paper.
This image acts like a magnet that
attracts toner to the drum. (The
toner and the drum are both located
The toner cartridge may be
in the toner cartridge.)
damaged: Replace the toner
At the same time, the paper (or
transparency film or envelope)
cartridge.
passes through the printer and is
electrostatically charged as it
reaches the drum. The toner that
was previously attracted to the
There may be moisture in the
drum as an image is transferred to
the charged paper. The paper then
paper: Use fresh, dry paper.
passes between two rollers where a
combination of heat and pressure
bonds the toner to the paper. The
paper is then moved to the output
tray.