Common Settings 
Xerox CopyCentre/WorkCentre/WorkCentre Pro 123/128 User Guide 201
Millimeters/Inches
Select [Millimeters] or [Inches] as the unit for entering document or scan sizes.
Keyboard Input Restriction
Specify whether the machine is to allow entry of only ASCII characters, or characters 
including those specific to the selected language. Selecting [On (Standard ASCII Only)] 
causes the screen keyboard to show only standard ASCII characters.
Operation of Up/Down Buttons
Specify whether the machine is to allow the up and down buttons (scroll buttons) on the 
touch screen to be held pressed for fast scrolling.
7.25 × 10.5” LEF 
(Executive)
266.7 184.2 O O O O
C4 Envelope SEF 229.0 324.0
C5 Envelope LEF 229.0 162.0
C5 Envelope SEF 162.0 229.0
Commercial 10 
Envelope LEF
241.3 104.8
DL Envelope LEF 220.0 110.0
Monarch Envelope 
LEF
190.5 98.4
Youkei 0 Envelope 
LEF
235.0 120.0
A6 SEF 105.0 148.0
A6 LEF 148.0 105.0
Postcard SEF 100.0 148.0
Postcard LEF 148.0 100.0
4 × 6” LEF 152.4 101.6
4 × 6” SEF 101.6 152.4
Prepaid Postcard 
LEF
200.0 148.0
3.5 × 5.5” SEF 88.9 139.7
B6 LEF 182.0 128.0
B6 SEF 128.0 182.0
Size
Width 
(mm)
Length 
(mm)
Tray 1–4 (except for TTM) Tray 3, 4 (TTM)
A/B Series 
(8 x 13”)
A/B Series
A/B Series 
(8K/16K)
A/B Series
 
(8 x 13”/8 x 14”)
Inch Series
A/B Series 
(8 x 13”)
A/B Series
A/B Series 
(8K/16K)
A/B Series
 
(8 x 13”/8 x 14”)
Inch Series