| 摘要 |
<p>PURPOSE:To provide a paper feed deck which can meet the temperature guaranty specification with a low-capacity motor and can be quickly lifted or lowered. CONSTITUTION:An instruction from a lift switch 20 is inputted to lift or lower a lift tray, it is forcefully stopped at the upper limit position or the lower limit position for the first preset period, if the lowering action of the lift tray occurs preset times or above in the second preset period, a control signal to forcefully stop the lift tray at the upper limit position or the lower limit position for the third preset period longer than the first preset period is sent to a motor 10 from a control means provided in a paper feed deck.</p> |
