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Phaser 840 Color Printer
Cleaning
Caution
Do not use
rubbing alcohol
because it can contain water and oils
that leave undesirable residue on the printer parts. Never use
water
to clean the printer’s internal components.
Appropriate cleaning procedures, as listed in the following tables, should be
performed when specific print-quality or paper transport problems occur. All
cleaning procedures are detailed in the
Phaser 840 Printer Advanced Features and
Troubleshooting Manual
.
Supplies required
■
90% pure isopropyl alcohol
■
Alcohol-moistened wipes
■
Foam swabs
Light stripes or missing colors
Problem type
Solution
Missing or light-colored
stripes on prints.
Select the automated procedure
Eliminate Light Stripes
from the front panel
Troubleshooting
menu.
Ink smears, oil spots or random ink streaks
Problem type
Solution
Ink smears on the front,
back or edges of a page.
Select the automated procedure
Remove Ink Smears
from
the front panel
Troubleshooting
menu.
Check the drum maintenance tray for ink and paper-dust
build-up on the wiper blade.
Oil (drum fluid) on top edge
of print.
Select the automated procedure
Remove
Ink smears
from the
front panel
Troubleshooting
menu.
Media jams
Problem type
Solution
Paper-pick or jamming
problems at the tray.
Clean the pick roller.
Paper jamming problems at
the front door.
Clean the transport rollers. Use the blue thumbwheel on the
duplex roller to manually rotate the rollers.
Paper- jamming problems at
the exit.
Clean the exit rollers and the stripper fingers. Use the blue
thumbwheel on the duplex roller to manually rotate the rollers.
Paper-pick or jamming
problems at the tray of the
High-capacity Paper Tray
Assembly.
Clean the High-capacity Paper Tray Assembly feed roller.
Duplex path jam
Clean the preheat, duplex and exit rollers. Use the blue
thumbwheel on the duplex roller to manually rotate the rollers.
Double picks
Clean pick pad with 90% alcohol
Summary of Contents for Phaser 840
Page 46: ...36 Phaser 840 Color Printer ...
Page 95: ...Service Guide 85 Clearing PostScript NVRAM menu item ...
Page 96: ...86 Phaser 840 Color Printer ...
Page 121: ...Service Guide 111 Figure 1 Cabinet FRUs 7 5 6 8 1 2 4 0388 21 3 ...
Page 125: ...Service Guide 115 Figure 3 Paper path FRUs 0388 16 2 1 5 11 10 9 12 6 4 3 7 13 8 ...
Page 127: ...Service Guide 117 Figure 4 Motors and fans FRUs 0388 14 7 4 3 5 6 2 1 ...
Page 129: ...Service Guide 119 Figure 5 Circuit boards FRUs 4 3 5 2 1 9 7 6 8 10 11 13 0388 13 12 ...
Page 131: ...Service Guide 121 Figure 6 Solenoids and clutches FRUs 4 5 3 2 1 0388 23 ...
Page 137: ...Service Guide 127 Figure 9 High capacity PaperTray 0388 65a 1 2 ...
Page 142: ...132 Phaser 840 Color Printer ...
Page 154: ...144 Phaser 840 Color Printer ...