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Xerox DocuPrint N17 Service Manual
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Repair Analysis Procedures (RAPs)
7.5.7 Vertical Band Deletions
Initial Actions
Remove the EP Cartridge and rock it gently back and forth to distribute the toner evenly in the cartridge.
Procedure
1 Replace paper in the Paper Tray. Problem is solved.
Y: Use new paper (and ask the customer to keep paper stock in a dry place).
N: Go to step 2.
2 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 3.
3 Install a new EP Cartridge. The problem is solved.
Y: Go to Final Actions.
N: Go to step 4.
4 The Bias Transfer Roll (BTR) is contaminated.
Y: Clean or replace the BTR.
N: Go to step 5.
5 Generate a test print and switch OFF the printer in the middle of the print cycle. Inspect the toner
image on the Drum surface. There is a complete toner image on the Drum surface.
Y: Go to step 6.
N: Go to
6 There are burrs, obstacles, or contamination areas in the paper path.
Y: Clean, repair, or replace the faulty component.
N: Go step 7.
7 There are scratches or contamination on the Heat Roll/Pressure Roll surface.
Y: Clean the Heat Roll/Pressure Roll or replace the Fuser Assembly.
N: If the problem is not resolved, Go to
RAP 7.5.4 Non-Uniform Image Quality.
Definition
Deletion is an area of the print where the image is missing or extremely light.
Vertical band deletions are missing bands of lines which extend across the
long dimension of the page (in the direction of paper travel).
Sample Image
PRINTER
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Содержание DocuPrint N17
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