Xerox WorkCentre 5855

01. Background

Description

Uniform darkening across all the non print areas.

Procedure

Refer to IQS 2 Background. Perform the IQ3 Xerographic RAP.

02. Bands in the Process Direction

Description

Grey to dark bands in the light or non-image areas or white bands in the grey areas of the print in the process direction.

Procedure

White bands on a grey or dark dusting. Check for developer leakage. Go to the IQ3 Xerographic RAP and perform the Print Cartridge Checkout.

Bands that are formed by a difference in density of one band to the next. Typically there are 1 or more image defects in the form of process direction bands that are 8mm (0.3 inch) wide, or multiples thereof. Go to the IQ3 Xerographic RAP and perform the LED Print Head Checkout.

03. Bands in the Cross Process Direction

Description

Grey to dark bands in the light or non-image areas of the print in the cross process direction. See also Narrow Bands in the Cross Process Direction.

Procedure

Bands that are formed by a difference in density of one band to the next. Go to the IQ3 Xerographic RAP and perform the LED Print Head Checkout.

If the band resembles, the bands may have been caused by the LED print head being energized while the photoreceptor was stationary. Perform the procedures that follow:
• 392A Print Cartridge Motor Failure RAP.
• 361-100-00 LED Print Head Data Integrity Failure RAP.

If the band resembles Figure 7, the bands may have been caused by an intermittent loss of bias charge roll voltage. Perform the 391A HVPS RAP.

04. Black Bands in the Cross Process Direction

Description

Black bands in the light or non-image areas of the print in the cross process direction.

Procedure

Perform the 391A HVPS RAP.

05. Black Image

Description

A print that is black or grey all over, but has no visible image of the original document.

Procedure

If both the print and the copy are completely black, go to the 391A HVPS RAP and check the charge circuit to the print cartridge.

06. Black Lines in the Process Direction

Description

Black lines in the light or non-image areas of the print in the process direction.

Procedure

Perform the steps that follow:

• If there are dark lines that are continuous from edge to edge of the image, install a new print cartridge, PL 90.17 Item 9.
• Check the LED print head module:
  – Check the camming mechanism is working correctly.
  – Check that there is no debris that would position the LED print head too close to the photoreceptor.
  – Clean the LED print head, ADJ 60.4.
  – If necessary install a new LED print head module, PL 60.35 Item 1.
• If the fault persists, perform the IQ3 Xerographic RAP.