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Repair Analysis Procedures (RAPs)
7-96
Xerox DocuPrint N17 Service Manual
7.5.10 Blank Prints
Initial Action
Generate the System Controller Test Print (
5.2.5 System Controller Test Print) and Print Engine
Controller Test Print (
5.2.4 Print Engine Controller Test Print).
Procedure
1 Only the System Controller Test Print is blank.
Y: Reseat the System Controller and retest before replacing the System Controller.
N: Go to step 2.
2 Inspect the Drum grounding path shown below. The printer is grounded all through the ground
path.
• Drum > Drum Shaft Pin > Plate Earth > HVPS > LVPS.
Y: Complete the Drum ground path.
N: Go to step 3.
3 Check the laser beam path from the Drum to the Laser Assembly for contamination or obstacles.
The laser beam path is contaminated or hindered with obstacles.
Y: Remove the contamination or obstacles.
N: Go to step 4.
4 Generate a test print and switch OFF the printer in the middle of the print cycle. Inspect the toner
image on the Drum surface. A complete toner image is present on the Drum surface.
Y: Go to step 5.
N: Replace the EP Cartridge. Go to
7.4.24 HVPS Failure, if the problem is not resolved.
5 The Bias Transfer Roll (BTR) Assembly is contaminated.
Y: Clean or replace the BTR Assembly.
N: Go to
Definition
The entire print is blank.
Sample Image
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