| 摘要 |
PURPOSE:To prevent erroneous detection by noise and the like from the inside/ outside of the device, etc. by composing the device so as to detect the presence or absence of a unit after the prescribed period after door shut and to maintain each detected data from the time that the door is shut or that a power source is applied to the time of the subsequent door shut or door opening as information. CONSTITUTION:After the power source is applied, the presence or absence of the cartridge unit is detected, the detection data of a CPU 1 of the recorder is changed in response to each condition that the cartridge unit is 'present' or 'absence', the inner part detection data is reported to an outer part controller 6 and a message 'cartridge absence' is displayed on a displaying part 7. The detection data at this step is stored in a memory of the CPU 1. Then, the judgement of the door open/close condition is performed, and when the door is open (YEES), the presence or absence detection of the cartridge unit is re-performed because the cartridge unit present or absence condition can be changed. When the door is shut (NO), the subsequent door shut is detected, namely whether the device is switched to the condition that the door is shut from the condition that the door is open is detected. |
