| 摘要 |
Apparatus and method for clogging prevention in computer printers where a tractor pair (2) pushes a multiple copy continuous form (11) towards a printing position along a path which causes a relative offsetting of the module copies, comprising counting means (26) for detecting that the form (11) has been fed forward of a first predetermined amount and control means responsive to such detection for controlling the tractor pair (2),first in order to feed back the form of another predetermined amount, lesser than the first amount, then in order to feed forward again the form of the same other amount, the control means then resetting the counting means.
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