Rap 7.34 Light (Undertoned) Prints - Xerox DocuPrint N24 Service Manual

RAP 7.34 Light (Undertoned) Prints

1 The paper is smooth (not wrinkled) and undamaged.
Y N
|
Load fresh, dry paper.
2 Install a new EP Cartridge (PL 7.2). The problem is still present.
Y N
|
Problem solved.
3 Remove the Upper Rear Cover Assembly (REP 4.1.3). Generate a Printer Engine Controller Test
Print (5.4.4) and switch OFF printer power halfway through the print cycle. Open the Left Upper
Cover. Open the Drum Shutter. Hand rotate (counterclockwise) the Main Drive Motor to advance
the Drum far enough so you can see the developed image area on the Drum before it reached
Transfer. The image on the drum is completely developed; with sharp, black, easily to read
areas.
Y N
|
Replace the HVPS Assembly (REP 4.10.4).
4 Carefully remove the Test Print generated in step 3. Inspect the print. The toner image on the
drum transferred completely to the paper. And the grid lines are black and unbroken.
Y N
|
Replace the BTR Assembly (REP 4.5.2). If the problem persists, replace the HVPS
Assembly (REP 4.10.4).
5 Generate another Printer Engine Controller Test Print (5.4.4) and switch OFF printer power when
the print is halfway through the Fuser. Open the Left Upper Cover. Examine the paper areas
before the image enters the Fuser and after the image exits the Fuser. The image is normal
before it enters the Fuser, but light when it exits the Fuser.
Y N
|
Replace each component listed below, one at a time, until the problem disappears.
Laser Assembly (REP 4.6.1).
Printer Engine Controller PWB (REP 4.10.6).
6 Replace the Fuser Assembly (REP 4.7.1).
DocuPrint N24, N32 and N40 Service Manual
PROBLEM
The overall image density is too light. The image may also be unfused due
to insufficient image density.
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7-55 Repair Analysis Procedures (RAP)