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Phaser 840 and 850 Color Printers
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 printer’s
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
Most media jams cannot be fixed by cleaning, refer to “Media jams
and the paper path” on page 64
.
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 11: ...xii Phaser 840 and 850 Color Printers ...
Page 65: ...54 Phaser 840 and 850 Color Printers ...
Page 101: ...90 Phaser 840 and 850 Color Printers ...
Page 125: ...114 Phaser 840 and 850 Color Printers ...
Page 134: ...Service Guide 123 Clearing PostScript NVRAM menu item ...
Page 135: ...124 Phaser 840 and 850 Color Printers ...
Page 166: ...Service Guide 155 Figure 1 Cabinet FRUs 7 5 6 8 1 2 4 0388 21 3 9 9 ...
Page 170: ...Service Guide 159 Figure 3 Paper path FRUs 0388 80 2 1 5 11 10 9 12 6 4 3 7 13 8 11a 11b ...
Page 172: ...Service Guide 161 Figure 4 Motor and fan FRUs 0388 14 7 4 3 5 6 2 1 ...
Page 174: ...Service Guide 163 Figure 5 Circuit board FRUs 4 3 5 2 1 9 7 6 8 10 11 13 0388 81 12 7a ...
Page 176: ...Service Guide 165 Figure 6 Solenoid and clutch FRUs 4 5 3 2 1 0388 23 ...
Page 182: ...Service Guide 171 Figure 9 High capacity PaperTray 0388 65a 1 2 ...