46
Phaser 840 and 850 Color Printers
22,505.05 Unexpected standard-tray-sensor event with media in the front door area
*** Same as 22,105.01 ***
22,508.08 Unexpected preheat entry sensor (left side) event. Can be caused by
media off the sensor too soon.
1. 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
2. Media deformed or
damaged in media tray
a. Left trailing edge bent
b. Hole or tear in media
a. Remove and inspect
media and reload
b. Remove and inspect
media and reload
22,508.10 Time-out on preheat entry sensor (left side)
1. Media came from the
lower feeder with corner
fold
a. Low stack of media in
tray caused funnel jam
b. Sticky lower feeder pick
flag
c. Missing support foil
(clear L-shaped plastic
media guide on the front
left side of the lower tray)
a. Refill tray (can be
common with low media
stack)
b. Replace lower feeder
c. Replace lower tray
2. Media came from lower
feeder and missed preheat
entry flag
a. Lower feeder bias
problem
a. Make sure media is on
the left side of the tray
3. Media damaged in
center
a. Pick pad
a. Don't load too close to
fill line. Replace pick
pad if needed
4. Media is folded,
damaged, or deformed in
tray
a. Media makes it out of
tray, but cannot trip
preheat entry flag
a. Remove and inspect
media and reload tray
5. Media is excessively
skewed
a. Tray overfilled
b. Media was hand fed and
was loaded skewed
c. Last sheet in tray
a. Make sure tray isn't
overfilled and media is
square
b. Reload media more
carefully
c. Refill tray(s)
6. Media really skewed with
side edge damage
a. Problem with pick-guide
assembly
a. Make sure pick guide is
snapped into the
printer's frame
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 ...