Canon fax basic 2000 Manuale Di Servizio

RECORDING SECTION

4–48

4.8

BJ (Bubble Jet) Printer

With a BJ printer, the ink is made to bubble to change the state of the ink

and cause ink drops to be ejected to print the image by suddenly changing

the state of the ink by heat generated from the heater.

4.9

Printing by Bubbles

The following figure shows the operating principle of BJ printing.

Fig. 4-57   Principle of Operation of BJ Printing

Ink

Nozzle

Heater element

(1)

(2)

(3)

(4)

(5)

(6)