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Service Guide
49
2. Skew
a. Last sheet in tray
b. First sheet in tray
c. Failure of deskew
system
a. Refill tray(s)
b. Make sure tray(s) is
loaded properly and
media is square in tray
c. Check deskew fingers.
If chronic, check
preheat entry assembly
for deformation.
3. Media perfectly straight
a. Media path motor stall
a. Use PC-based
diagnostics to run
“verify drive current
requirements” from the
paper path group to
check for stall, or feel for
unevenness in motor
rotation by manually
turning. Replace paper
path motor if needed.
Check electronics if
needed
22,644.11 Time-out on duplex sensor
1. Printer is pulling the
paper from the customer
a. Customer tried to
remove media after first
side and didn't let it enter
the duplex path
a. Train the customer
2. Media damage left lead
corner
a. Hitting the left wall under
control panel
a. Move front panel to left;
If necessary, replace
front panel assembly.
Replace printer if
chassis warped
3. More than one sheet in
duplex path
a. Media was pulled from
exit into duplex while
printing
a. Empty exit tray
4. Excess skew
a. Last sheet in tray
b. First sheet in tray
c. Failure of deskew
system
d. Exit roller is out of
position
a. Refill tray(s)
b. Make sure tray(s) is
loaded properly and
media is square in tray
c. Check deskew fingers.
If chronic check preheat
entry assembly for
deformation
d. Reseat exit roller
5. Media deformed or
damaged in media tray
a. Left corner folded in tray
(simplex trailing edge)
b. Remove media, inspect
and reload
Error code
Additional clues
Probable cause
Action
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 ...