Printer/Fax/Scanner/Copier User Guide
Page 13-4  Xerox Document Centre 440/432/430/426/425/420 User Guide 
Problem Solving Tables
If you are experiencing difficulty using the DC440/432/430/426/
425/420, check the suggestions in the following tables for 
problem solving advice. 
Symptom Recommendation
The machine will not power ON
¾ Check the power cord installation.
¾ Check to see if the power button is in the 
ON position.
¾ Check to see if the AC outlet is receiving 
voltage. (Connect another appliance to 
the outlet to verify the voltage.)
The machine makes a squealing noise 
after it powers OFF
¾ 3 to 5 minutes after powering OFF, the 
machine might make a squealing noise. 
This is a normal occurrence. Various 
components within the machine are still 
powering OFF.
The document will not feed through the
Document Feeder
¾ Check to see if the Document Feeder is 
overloaded. The Document Feeder can 
hold a maximum of 50 pages.
¾ Check to see if the document is fully 
inserted into the Document Feeder.
¾ Using a lint-free cloth, lightly wipe the 
Platen Cushion located on the under 
side of the Platen Cover.
The touch screen displays a message that 
it can’t sense the size of the 
document.
¾ Select Original Size on the touch screen 
and enter the size.










