Rap 21 Low Paper Tray 1/2/3; Rap 22 Paper Size Error - Xerox DocuPrint N2025 Service Manual

RAP 21 Low Paper Tray 1/2/3

Paper stack in the Paper Tray Assembly is below 50 sheets.
Procedure
Insert a full Tray Assembly in the affected position. The Error Message reappears.
Y N
Problem solved.
Remove the affected tray Assembly. Push up the Low Paper Actuator (see PL 3.1) manually
and then release. The Low Paper Actuator returns to its normal position when released.
Y N
Repair or replace the Low Paper Sensor Assembly (REP 3.4) or Low Paper Actuator (PL
3.1) as necessary.
NOTE: When checking the Low Paper Sensor using the Sensor Test, at least one Paper Size
switch and the Low Paper Sensor must be actuated.
Enter Diagnostics. Scroll to Component Test and Sensor Input to check the Low Paper Sensor.
Push up the Low Paper Actuator manually and then release. The Low Paper Sensor incre-
ments the counter each time you push and release the Actuator.
Y N
Check the wiring associated with the specific Low Paper Sensor. If ok, replace the Low
Paper Sensor.
Replace the Print Engine Controller PWB (REP 8.5).
Initial Issue
DocuPrint N2025/N2825

RAP 22 Paper Size Error

There is a conflict between the size of paper the printer senses in the paper tray and/or MBF
and the size of paper that is actually loaded.
Procedure
The problem appears when using Tray 1, 2, or 3.
Y N
Open the MBF and verify the size of paper currently in the MBF Tray. Enter the User
Menus, select Tray Menu, then select MBF Size. The paper size displayed on the LCD
matches the size actually in the MBF.
Y N
Enter the User Menu and select Tray Menu. Scroll to MBF size. Set MBF size to the
size of paper actually installed
Replace the Print Engine Controller PWB (REP 8.5).
The paper size in the problem tray is within printer specifications.
Y N
Replace with paper that meets specifications.
Check the side guides and the Paper Stack End Guide in the problem tray. All
properly set for the size of paper installed.
Y N
Properly set the guides.
Check the size cam on the left side of the paper tray. The cams are in good condition (not
broken) and rotate freely as the paper tray end guide is moved.
Y N
Replace the paper tray (PL 2.1/ PL 2.2).
Reinstall the paper tray. Enter Diagnostics and select Component Test. Scroll to Tray Size for
the problem tray and press Enter. The paper size displayed on the LCD matches the size of
the paper actually loaded.
Y N
Scroll to Sensor Input test and press Enter. One at a time, press and release each of the
problem tray size actuators. The number on the LCD increments each time you press
and release one of the actuators.
Y N
Go to RAP 37
Switch the printer power off. Remove the Left Side Cover (REP 1.1). As you insert the
Tray, watch the size actuators move depending on the setting of paper tray. See Table 1.
The Tray Size Cams contact the Paper Size Actuators correctly for each size of
paper.
Y N
Replace paper tray (PL 2.1/ PL 2.2). If the problem persists, replace the Tray 1 Left
Guide Assembly (REP 3.6).
Replace the Print Engine Controller PWB (REP 8.5).
A
02/2000
2-25
guides
Status Indicator Repair Analysis Procedures
RAP 21, RAP 22
are