Xerox WorkCentre 5020 Service Documentation

July, 2007
2-25
WorkCentre 5020
U0-1, U1-1
Status Indicator RAPS
Initial Issue
U0-1 Main Motor Stop Error
BSD-Reference: CH4.1 (Figure 1)
Explanation
The motor runs for over 120 seconds without any paper being fed.
Procedure
The problem can be solved according to RAP U1- 1 Main Motor Rotation Error (U1-1).
YN
Execute diagnostics [29-49] (How to Enter the Diagnostic Mode) to check the ROM ver-
sion. The ROM is the latest version.
YN
Upgrade the ROM to the latest version.
Replace the IOT Motor (PL 1.1) (REP 1.1.1) and the AIOC PWB (PL 8.1) (REP 8.1.1) in
that order.
Completed
U1-1 Main Motor Rotation Error
BSD-Reference: CH4.1 (Figure 1)
Explanation
500 ms after the IOT Motor starts, the IOT Motor Lock signal is Low.
Procedure
Close the Left Hand Cover and the Front Cover. Execute diagnostics [04--01 Main Motor On].
(How to Enter the Diagnostic Mode)
The IOT Motor can be heard rotating.
YN
Check P/J504 and P/J201. Both P/J504 and P/J201 are connected securely.
YN
Connect P/J504 and P/J201 securely.
Measure the voltage between LVPS PWB P504-1 ( P/J504) (+) and GND (-). The volt-
age is approximately +24VDC.
YN
Replace the LVPS (PL 8.1) (REP 8.1.2).
Check the wire between J504-3 ( P/J504) and J201-3 ( P/J201). The wire is not
shorted or open.
YN
Repair the wire.
Replace the IOT Motor (PL 1.1) (REP 1.1.1) and the AIOC PWB (PL 8.1) (REP 8.1.1) in
that order.
Check the installation of the IOT Motor (PL 1.1 ) (REP 1.1.1). The IOT Motor is installed
properly.
YN
Install the IOT Motor (PL 1.1 ) (REP 1.1.1) properly.
Turn the rotor of the IOT Motor (PL 1.1 ) counterclockwise by hand. It rotates smoothly,
without any abnormal load.
YN
Check for any foreign substances that obstruct the drive and for any incorrectly installed
parts.
There are foreign substances or incorrectly installed parts.
YN
Replace the IOT Motor (PL 1.1) (REP 1.1.1).
Remove any foreign substances and fix any installation errors.
Check the wire between J504-3 ( P/J504) and J201-3 ( P/J201). The wire is not shorted
or open.
YN
Repair the wire.
Replace the IOT Motor (PL 1.1) (REP 1.1.1) and the AIOC PWB (PL 8.1) (REP 8.1.1) in that
order.

Xerox WorkCentre 5020 Specifications

General

Print Technology	Laser
Print Speed	Up to 20 ppm
Print Resolution	Up to 600 x 600 dpi
Max Paper Size	A3
Standard Paper Capacity	250 sheets
Bypass Tray Capacity	100 sheets
Duplex Printing	Manual
Copy Speed	Up to 20 cpm
First Page Out Time (Copying)	Less than 10 seconds
Scan Resolution	Up to 600 x 600 dpi
Operating System Compatibility	Windows, Mac OS
Automatic Document Feeder	50 sheets
Connectivity	USB 2.0
Functions	Print, Copy
Reduction / Enlargement	25% - 400%
Scan Destinations	USB, Email
Fax Transmission Speed	33.6 kbps
First Page Out Time (Printing)	Less than 8 seconds