| 摘要 |
<P>PROBLEM TO BE SOLVED: To reduce memory capacity and to reduce memory access by changing over a used image compression method according to print width or resolution. <P>SOLUTION: A compression method (Packbits or the like) not referring to a preceding line is selected for a printer having long line length, and a compression method (JBIG or the like) of higher compression than the compression method is selected for a printer having short line length in reference to the preceding line. <P>COPYRIGHT: (C)2006,JPO&NCIPI |
