用ESC指令控制针式打印机退纸

[{"title":"（ 27 个子文件 436KB ） 用ESC指令控制针式打印机退纸","children":[{"title":"testprint.exe <span style='color:#111;'> 1.16MB </span>","children":null,"spread":false},{"title":"Us_testprint.~dfm <span style='color:#111;'> 3.62KB </span>","children":null,"spread":false},{"title":"Us_testprint.dfm <span style='color:#111;'> 3.47KB </span>","children":null,"spread":false},{"title":"Us_testprint.dcu <span style='color:#111;'> 10.33KB </span>","children":null,"spread":false},{"title":"US_YBGH1.pas <span style='color:#111;'> 738B </span>","children":null,"spread":false},{"title":"US_FP1.~ddp <span style='color:#111;'> 51B </span>","children":null,"spread":false},{"title":"US_FP1.dcu <span style='color:#111;'> 7.68KB </span>","children":null,"spread":false},{"title":"US_FP1.~dfm <span style='color:#111;'> 101.88KB </span>","children":null,"spread":false},{"title":"US_YBGH1.dfm <span style='color:#111;'> 10.55KB </span>","children":null,"spread":false},{"title":"US_YBGH1.~dfm <span style='color:#111;'> 10.59KB </span>","children":null,"spread":false},{"title":"testprint.dof <span style='color:#111;'> 2.29KB </span>","children":null,"spread":false},{"title":"testprint.res <span style='color:#111;'> 12.67KB </span>","children":null,"spread":false},{"title":"Us_testprint.~pas <span style='color:#111;'> 5.66KB </span>","children":null,"spread":false},{"title":"Us_testprint.pas <span style='color:#111;'> 5.63KB </span>","children":null,"spread":false},{"title":"US_FP1.~pas <span style='color:#111;'> 3.35KB </span>","children":null,"spread":false},{"title":"US_FP1.dfm <span style='color:#111;'> 101.88KB </span>","children":null,"spread":false},{"title":"US_YBGH1.~ddp <span style='color:#111;'> 51B </span>","children":null,"spread":false},{"title":"testprint.dpr <span style='color:#111;'> 300B </span>","children":null,"spread":false},{"title":"US_YBGH1.~pas <span style='color:#111;'> 738B </span>","children":null,"spread":false},{"title":"US_FP1.ddp <span style='color:#111;'> 51B </span>","children":null,"spread":false},{"title":"US_FP1.pas <span style='color:#111;'> 3.35KB </span>","children":null,"spread":false},{"title":"Us_testprint.ddp <span style='color:#111;'> 51B </span>","children":null,"spread":false},{"title":"Us_testprint.~ddp <span style='color:#111;'> 51B </span>","children":null,"spread":false},{"title":"US_YBGH1.dcu <span style='color:#111;'> 4.05KB </span>","children":null,"spread":false},{"title":"testprint.cfg <span style='color:#111;'> 434B </span>","children":null,"spread":false},{"title":"testprint.~dpr <span style='color:#111;'> 300B </span>","children":null,"spread":false},{"title":"US_YBGH1.ddp <span style='color:#111;'> 51B </span>","children":null,"spread":false}],"spread":true}]