Possible answers:
(1). yes;
(2). no;
Does "Likewise, many computer plotters (which since the early 1990s have been replaced with large-format inkjet and laser printers) used rotary stepper motors for pen and platen movement; the typical alternatives here were either linear stepper motors or servomotors with closed-loop analog control systems." correctly answer the question of In scanners, what do stepper motors move?
(2).