Xerox 123 Manuale Utente

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18 Glossary 
Xerox CopyCentre/WorkCentre/WorkCentre Pro 123/128/133 User Guide
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Dial Tone
A tone sounds from the telephone line when a remote 
machine receives a call. You will then know that you are 
connected to the line. 
Dial Type
The dial type of connected line. The machine offers Tone and 
10 pps options.
Direct Fax
Enables PC clients to send faxes via the machine.
Document
In this guide, the image data generated when an original is 
scanned. Used in terms such as transmitted document, 
received document and pending document.
Document Feeder
An assembly that automatically separates and feeds single- or 
double-sided documents from the input tray into the scanner.
Double-sided
Refers to a document that contains an image on both sides of 
the page.
DPI
An abbreviation of Dots Per Inch, which is the number of dots 
that can be printed within a width of one inch. Used as the unit 
for resolution. 
Drum Cartridge
A customer replaceable cartridge which contains a internal 
drum. A printed image is formed on a drum before transferred 
to paper.
Dual Tone Multi 
Frequency (DTMF)
The use of a keypad sequence (tones) to transmit to, or poll 
from, a remote mailbox.
Duplex
Refers to a document that contains an image on both sides of 
the page.
ECM
An abbreviation of Error Correction Mode: An ITU-T approved 
feature for Group 3 facsimile machines. ECM transmission 
sends the document image data in segments and retransmits 
segments that the remote machine receives incorrectly. “EC” 
described on the Activity Report shows that the 
communication was processed using ECM.
Error Code
A code is displayed on the control panel or a report when a 
problem occurs.
Ethernet
A network transport technology commonly used to send data 
from one node to another.
F4800
A Communication Mode selection that reduces transmission 
speed to enable reliable communications even under poor line 
conditions, which forces the machine to communicate at a 
maximum of 4800 bits per second.
Factory Default (s)
Settings which are incorporated into the machine at the 
factory and used by the machine when the user does not 
specify settings.