Bold Print Function - IBM 3852-2 Hardware Reference Manual

Bold Print Function
Set the Bold switch on the rear panel of the
printer to On to print on transparencies or to
print bold characters and graphics on paper. Th
Bold print switch should be set to Off for normal
printing. The Bold switch set to On overrides
the software double strike (bold) control.
Use bold print when printing on transparencies
for a better printout.
Off
d
On
LAA