White And Black Coupons

do you have to print grocery coupons in color or can you just use regular ink?
saw someone at the grocery store trying to use a black and white coupon and the coupon was refused. The cashier stated that it was a counterfeit coupon.
As long a bar code is correct, printed from a web AND not photocopied from another coupon , the store should honour it.
IF NOT,Go to customer services.
How To Use White House Black Market Coupon Codes