Image forming apparatus having a thermal printing device

Details Image forming apparatus having a thermal printing device Image forming apparatus having a thermal printing device

1991-09-10

1993-08-31

Grimley, A. T.

Photocopying

Contact printing

Light boxes

346 76PH, G03G 1500

Patent

active

052413411

ABSTRACT:
An image forming apparatus includes a main part for image formation, a printing unit, a supporter, a pressing member and a punching unit. The main part for image formation includes an image processor, and a case for containing the image processor which has a door. The printing unit prints onto a sheet processed by the image processor. The printing unit includes a thermal head and a cleaning device. The supporter supports the printing unit such that the printing unit is able to rotate between a printing position, at which the printing unit is contained in the main part, and a replacing position, at which the printing unit is located near the door. The printer unit is formed such that the cleaning device cleans the thermal head when the printer unit is moved to the replacing position. The pressing member is provided on the door in order to move the printing unit into the printing position by pressing the supporter in cooperation with the door's closing. To protect the printing unit, the apparatus also includes a insulation chamber connected at one end to a fan, with vent holes occurring at increasing intervals further away from the fan.

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patent: 5083157 (1992-01-01), Smith

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