Print-Quality Troubleshooting; Light Prints - Xerox phaser 6250 Service Manual

Print-Quality Troubleshooting

Light Prints

Initial Actions:
■
Verify the printer is not in Draft mode.
■
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.
■
Verify the media settings are correct at the
front panel.
■
Run the color calibration routine prior to
using this troubleshooting procedure.
Troubleshooting Procedure
Step Check
1 Check the Imaging Unit, Fuser
Assembly and Transfer Roller for
correct installation, damage or
contamination, and life remaining.
2 Does the image quality improve if the
Imaging Unit is replaced?
3 Does the image quality improve if the
Transfer Roller is replaced?
4 Check the Front 1A Harness for
continuity.
P/J5030 <=> Transfer roller.
P/J5020 <=> Transfer roller
5 Does the image quality improve if the
Laser Unit is replaced?
6 Does the image quality improve if the
SUB-HVPS is replaced?
7
Check the FRONT 1A Harness for
continuity.
8 Does the image quality improve if the
Fuser is replaced, PL 8.1.1
5-10
Yes
Replace or reinstall
the affected
component.
Complete.
Complete
Go to Step 5.
Complete
Complete
Go to Step 8.
Complete
Phaser 6250 Color Laser Printer Service Manual
6200-283
No
Go to Step 2.
Go to Step 3.
Go to Step 4.
Replace the defective
harness.
Go to Step 6.
Go to Step 7.
Replace the Front 1A ,
Harness Assembly
PL 13.1.7.
Replace the Engine
Control Board,
page 8-107.