Xerox WorkCentre 5020 Service Documentation

July, 2007
2-31
WorkCentre 5020
U7-0, U7-1
Status Indicator RAPS
Initial Issue
U7-0 UI Communication TimeOut
BSD-Reference: CH2.1 (Figure 1)
Explanation
At Power ON, the AIOC PWB does not communicate with the User Interface PWB.
Procedure
Measure each voltage between AIOC PWB J401-1 ( P/J401) (+), J401-2 (+), and GND (-).
The voltages are approximately +5VDC.
YN
Replace the AIOC PWB (PL 8.1) (REP 8.1.1).
Check the wire between J401 ( P/J401) and J710 ( P/J710). The wire is neither shorted nor
open.
YN
Repair the wire.
Replace the User Interface PWB (PL 8.4) (REP 8.4.1) and the AIOC PWB (PL 8.1) (REP 8.1.1)
in that order.
U7-1 UI Communication Error
BSD-Reference: CH2.1 (Figure 1)
Explanation
The User Interface PWB detected a communication failure.
Procedure
Check each User Inferface PWB connector. Each connector is connected securely.
YN
Connect each connector securely.
Turn the power OFF and ON. U7-1 recurs.
YN
Completed
Replace the User Interface PWB (PL 8.4) (REP 8.4.1).

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