Patent ID: 7458739

Claim:
An apparatus for processing a target sheet comprising: embossing means for embossing raised letters on the target sheet to be fed, said raised letters being formed by selectively driving a plurality of embossing pins arrayed in a direction perpendicular to a direction of feeding the target sheet such that the raised letters are represented in a projected bit pattern which is embossed at embossing points of a plurality of stages in two rows; emboss-inspection mode setting means for setting an emboss-inspection mode in which inspection is made whether an embossing operation for forming the raised letters is normal or not; emboss-inspection pattern storing means for storing an emboss-inspection pattern which is made up of a repetition of a predetermined bit pattern; and control means for controlling said embossing means to perform embossing operation based on the emboss-inspection pattern when the emboss-inspection mode is set.