Technical Reference Guide – Appendix D – Media specifications > 238
Do not use paper bulging around folds as illustrated below as this 
can adversely affect paper feed.
C
UT
-
SHEET
 
PAPER
V
ERTICAL
 
AND
 
HORIZONTAL
 
DIMENSIONS
The standard vertical and horizontal dimensions of paper are 
those of A4. For usable areas, see “Paper size and printing areas” 
on page 239.
Bulge
L
W
Reference line
From vertical line
to reference line
± 0.2 mm or less
Paper insertion direction