Canon W7250 User Manual download pdf (Page 155)

Cleaning the Printhead

7-31

Cleaning the Printhead

When the ink nozzles of the printhead become clogged, you can restore

normal operation by cleaning the printhead.

Types of Printhead Cleaning

There are two methods for printhead cleaning.

T Head Cleaning A

Perform when the printing is faint or when dust has collected on the

printhead. This cleaning method consumes the least amount of ink. Head

Cleaning A requires about 1 minute to complete.

T Head Cleaning B

Perform when the printing is blank or when Head Cleaning A does not

correct the problem. Head Cleaning B requires about 2 minutes to

complete.

Printhead Cleaning Procedure

Follow the procedure below to clean the printhead. The procedure is

basically the same for both printhead cleaning methods.

• If one execution of Head Cleaning A does not correct the problem,

perform Head Cleaning B.

• If Head Cleaning B does not correct the problem, repeat Head Cleaning

B two or three times.

• If three consecutive cleanings with Head Cleaning B do not solve the

problem, then the printhead is damaged and should be replaced.

(

Æ P.6 - 18)

Press the Power button to switch the printer on.

After a few seconds “Online” is displayed in the operation panel and the

Online lamp lights.

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Canon W7250 User Manual Page 155