Tektronix PHASER 840 Service Manual page 5

Media jams and the paper path
Media-based problems
Paper-pick errors
Print transfer jams
Checking the process motor and drive train
Media skews passing through the paper path
Printing and print quality problems
Not printing
Streaks or lines across the print
Missing ink or light colored ink band running length of print
Color is uneven
Streaks or lines down the print
Scratches parallel to the long axis of printing, particularly with film
Printing too light or too dark
White portion of print is colored
Fuzzy text
Variation of density on second side of print
Ghost of first side image on second side of print
Poor primary color fills
Ghosting
Poor small text resolution
Vertical line appear wavy
Oil streaks on print
Incomplete image transfer to paper
Ink smears on first side of duplex print
Repeating print defects on print
Banding parallel to long edge of print
Wrinkling
Image is offset or cut off
Oil streaks on top of print
Poor ink adhesion, poor image durability
Evaluating the printhead and cap/wipe/purge system
Troubleshooting following cap/wipe/purge installation
Macintosh printing problems
Image never prints
Image is rotated 90 degrees
Image prints in black-and-white
Printer isn't in the Chooser
Windows printing problems
Image never prints
vi Phaser 840 and 850 Color Printers
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88
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66
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85
70