5-10 Phaser 6250 Color Laser Printer Service Manual
Print-Quality Troubleshooting
Light Prints
Initial Actions:
â– Verify the printer is not in Draft mode.
â– Verify the media used is supported by this
printer. "Media and Tray Specifications" on
page 1-14. lists correct media types, sizes,
and weights for each tray.
â– Verify the media settings are correct at the
front panel.
â– Run the color calibration routine prior to
using this troubleshooting procedure.
Troubleshooting Procedure
Step Check Yes No
1
Check the Imaging Unit, Fuser
Assembly and Transfer Roller for
correct installation, damage or
contamination, and life remaining.
Replace or reinstall
the affected
component.
Go to Step 2.
2
Does the image quality improve if the
Imaging Unit is replaced?
Complete. Go to Step 3.
3
Does the image quality improve if the
Transfer Roller is replaced?
Complete Go to Step 4.
4
Check the Front 1A Harness for
continuity.
P/J5030 <=> Transfer roller.
P/J5020 <=> Transfer roller
Go to Step 5. Replace the defective
harness.
5
Does the image quality improve if the
Laser Unit is replaced?
Complete Go to Step 6.
6
Does the image quality improve if the
SUB-HVPS is replaced?
Complete Go to Step 7.
7
Check the FRONT 1A Harness for
continuity.
Go to Step 8. Replace the Front 1A ,
Harness Assembly
PL 13.1.7.
8
Does the image quality improve if the
Fuser is replaced, PL 8.1.1
Complete Replace the Engine
Control Board,
page 8-107.
S6200-283