HP LaserJet 1100 All-in-One Printer series - Manual (Page 115)

EN Improving scan/copy quality 105
Correcting scan/copy defects
Vertical white stripes
● The scanner may need recalibrated. See “Calibrating the
scanner.”
● The paper may not meet HP’s paper specifications (for example,
the paper is too moist or too rough). See “Printer paper
specifications.”
Blank pages
● The original may have been loaded backwards. Load the original
with the narrow side down and the side-to-be-scanned facing
toward the front of the scanner. See “Loading Copier/Scanner
originals.”
● The paper may not meet HP’s paper specifications (for example,
the paper is too moist or too rough). See “Printer paper
specifications.”
Too light or dark
● Try adjusting the settings.
• Copier Control Panel: see “Using the Copier Control Panel.”
• Quick Copy settings: see “Quick Copy settings.”
• Verify you have the correct resolution and gray-scale settings.
See “Scanner resolution and gray scale.”
● You may need to change the properties settings for the
associated function in the Document Assistant or the
HP Document Desktop. Learn about these settings in the online
help. See “Accessing the online help.”
● See “Calibrating the scanner.”
Unwanted lines
● There may be ink, glue, correction fluid, or an unwanted
substance on the scanner sensor. Try cleaning the scanner. See
“Cleaning the scanner.”
● The scanner may need recalibrated. See “Calibrating the
scanner.”