Service Guide
79
Image is offset or cut off
1.
Check the application for the correct image sizing and orientation.
2.
Ensure that Letter or A4 is the selected paper-size.
Oil streaks on top of print
1.
Clean the stripper fingers or the rapid release guide.
2.
Run chase pages through the printer to clean the drum. Use the front
panel menu item
Remove Ink Smears
.
3.
Clean the maintenance drawer blade or replace the maintenance kit.
Poor ink adhesion, poor image durability
1.
For transparencies, verify that the media tray is set to Transparency.
2.
Verify the paper preheater temperature using PC-based diagnostics.
3.
The drum is too cold. Verify the drum temperature using PC-based
diagnostics. Ensure the drum temperature sensor is properly
positioned and has no contamination between it and the drum surface.
4.
Try a different paper, if a specialty coated paper is being used.
Tektronix transparency film provides the best ink adhesion versus off-
the-shelf transparency film.
5.
The transfix spring pressure is incorrect. Perform the procedure
“Transfix roller pressure spring adjustment” on page 110.
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 ...