Datamax-O'Neil A-Class Mark II Operator’s Manual - Manual (Page 129)

A-Class Mark II 119
Media Dimensional Requirements [1]
A-4xxx models A-6xxx models
Minimum Maximum Minimum Maximum
Designator Description
inches mm inches mm inches mm inches mm
A Label width 1.00 25 4.65 118 2.00 51 6.7 170
B Liner width 1.00 25 4.65 118 2.00 51 6.7 170
C Gap (or notch) between labels [3] .08 2 – – .08 2 – –
D Label length [3] .25 6 – – .25 6 – –
E Media thickness .0025 .06 .01 .25 .0025 .06 .01 .25
F Notch opening width .08 2 – – .08 2 – –
G Media edge to sensor aperture .20 5 2.25 70 .20 5 2.25 70
H Reflective mark width [2,3] .47 12 4.65 118 .47 12 6.7 170
I Distance between reflective marks [2,3] .25 6 – – .25 6 – –
J Reflective mark length [2,3] .08 2 – – .08 2 – –
K Label repeat distance [3] .33 8 – – .33 8 – –
[1] Referenced in the direction of label feed.
[2] The reflective (black) mark must be carbon based, placed on the backside of the stock, and the reflectance shall be less than 10% at wavelengths
of 640 – 950 nm.
[3] The maximum allowable length of the combined label and gap (or mark) measurement cannot exceed 99.99 inches.