From CBS News:
The Social Security Administration said it will continue issuing paper checks to the retirement program's beneficiaries, backing away from a previously announced plan to switch all payments to electronic deposits after Sept. 30.
On Wednesday, the Social Security Administration told CBS MoneyWatch it would continue issuing paper checks for beneficiaries, including recipients of retirement and disability benefits, who have no other means of getting payments. But the program will also emphasize the advantages of electronic transfers to its roughly 70 million beneficiaries in an effort to encourage check recipients to switch, a Social Security spokesperson added. ...
I've seen this same scenario play out at least a couple of times before.