Xerox Phaser 6200B, Руководство по обслуживанию

Страница: 123 / 386

Troubleshooting 105
Background Contamination
There is toner contamination on all or most
of the page. The contamination appears as a
very light gray dusting. The printer displays
no error code. Before using this procedure,
Ensure the TekColor Correction is not set to
“None” in the printer’s dialog box. Ensure
the customer is making less than 2,000
prints per day. Making more than 2,000
prints a day exceeds the duty cycle
specifications for the printer.
Step Check Yes No
1 Check the Imaging Unit, Fuser
Assembly and the Transfer Roller for
correct installation, damage or
contamination. Replace or reinstall
the affected
component. Go to step [2].
2 Does the image quality improve if
the Imaging Unit is replaced? Replace the
Imaging Unit (CRC),
PL 9.1.3. Go to step [3].
3 Check the Heat Roller and NIP Belt
in the Fuser Assembly for evidence
of contamination or damage. See
“Transfer Roller and Fuser
Assembly” on page 331. Replace the Fuser
Assembly (CRC),
PL 8.1.1. Go to step [4].
4 Does the imaging quality improve if
the Transfer Roller is replaced? Complete Go to step [5].
5 Check the following pins to the
transfer roller contacts for continuity:
J5030 <=> Transfer Roller
J5020 <=> Transfer Roller Go to step [6]. Replace the defective
wire.
6 Does the image quality improve if
the Laser Unit is replaced? Complete Go to step [7].
7 Does the image quality improve if
the S-HVPS is replaced? Complete Go to step [8].
8 Check J 5011 <=> J13 for continuity. Replace the Engine
Control Board,
RRP 12.7 Replace the Front 1A ,
Harness Assembly
PL 13.1.7.
S6200-285