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Service Guide
185
13: Black Solid Fill
. This prints shows
uniformity of fill.
Look for:
Even, uniform fills throughout
the print. There should be no wrinkling or
deformity of the paper throughout the
print.
Causes:
Weak jets or uneven drum
heating may cause uneven fills.
To solve wrinkling, try different print
media. Replace the drum maintenance
tray to correct streaking.
Check the drum-temperature sensor for
debris build-up on the sensor. Or the
sensor is in improper contact with the
drum. Refer to the test print
Reverse
Text
.
The transfix pressure may be incorrect.
Perform the transfix spring adjustment
described in “Transfix roller pressure
spring adjustment” on page 110. As a last
resort, replace the drum/transfix
assembly.
14: Red Solid Fill
. This prints shows
uniformity of fill.
Look for:
Even, uniform fills throughout
the print. There should be no wrinkling or
deformity of the paper throughout the
print.
Causes:
Weak jets or uneven drum
heating may cause uneven fills.
To solve wrinkling, try different print
media. Replace the drum maintenance
tray to correct streaking.
Check the drum-temperature sensor for
debris build-up on the sensor. Or the
sensor is in improper contact with the
drum. Refer to the test print
Reverse
Text
.
The transfix pressure may be incorrect.
Perform the transfix spring adjustment
described in “Transfix roller pressure
spring adjustment” on page 110. As a last
resort, replace the drum/transfix
assembly.
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 ...