Canon BJ-200ex - Manual (Page 110)

Horizontal
a = 8.3 to 8.5 in (210 to 216 mm)
b = 0.25 in (6.4 mm) -- Letter-size paper
b = 3.4 mm (0.13 in) -- A4-size paper
Vertical
c = 11 to 14 in (279 to 356 mm)
d = 0.125 in (3.18 mm)
e = 0.3 in (7.6 mm)