Method of controlling printer

Details Method of controlling printer Method of controlling printer

1992-08-06

1994-09-06

Shoop, Jr., William M.

Electricity: motive power systems

Automatic and/or with time-delay means

Nonresponsive or less responsive for limited periods

328484, 328921, G05B 500

Patent

active

053451597

ABSTRACT:
A method of controlling a printer using a dc motor as a drive source thereof, comprises the steps of: setting a predetermined prohibition period of time during which print and sheet-forward operations are prohibited, the predetermined prohibition period of time corresponding to a period of time until the motor arrives at a predetermined speed since the motor starts to be energized; measuring a motor power turn-off period of time until the motor starts to be energized since the motor is turned off; comparing the motor power turn-off period of time with a predetermined value; if the motor power turn-off period of time is within the predetermined value, making the prohibition period of time invalid; and if the motor power turn-off period of time exceeds the predetermined value, making the prohibition period of time valid.

REFERENCES:
patent: 4270868 (1981-06-01), Morgan et al.
patent: 4698566 (1987-10-01), Okamura
patent: 4701685 (1987-10-01), Gruner
patent: 4739230 (1988-04-01), Sonobe et al.
patent: 5172138 (1992-12-01), Okazawa et al.

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