HP 3150 EN - Manual (Page 162)

160 Troubleshooting EN
Vertically-aligned
black streaks or
smears appear on
successive pages. The HP LaserJet 3100/3150 product
needs to be cleaned.
The toner cartridge is damaged.
There is a problem in the heating element.
See the appropriate sections of Chapter
3, “Maintenance.”
Replace the toner cartridge if
maintenance procedures do not improve
print quality.
Perform the “Heating element check,”
which is discussed later in this chapter.
If scanned images have unwanted lines through them:
There is ink, glue, white-out, or some
other substance on the contact image
sensor.
Slick paper caused the document scanner
trouble in scanning.
The HP LaserJet 3100/3150 product
needs to be recalibrated.
See the appropriate sections of Chapter
3, “Maintenance.”
Use a carrier sheet to send the item.
Follow the instructions later in this chapter
to recalibrate the document scanner.
Horizontally
aligned black
streaks or smears
appear. The toner cartridge was improperly
installed.
The toner cartridge is defective.
The HP LaserJet 3100/3150 product
needs to be cleaned.
There is a problem in the heating element.
A gear is damaged.
There is a problem in the laser/scanner.
Make sure you removed the entire length
of the sealing tape from the toner
cartridge before you installed it.
Replace the toner cartridge.
See the appropriate sections of Chapter
3, “Maintenance.”
Perform the “Heating element check,”
which is discussed later in this chapter.
Perform the “Drum rotation functional
check,” which is discussed later in this
chapter.
Replace the laser/scanner.
If horizontal lines appear in margins and across entire pages on faxes you send:
The HP LaserJet 3100/3150 product
needs to be cleaned.
There is a problem in the contact image
sensor.
See the appropriate sections of Chapter
3, “Maintenance.”
Replace the contact image sensor.
Problem Cause Solution