Machine information; Checking the serial number; Checking the page counters- Page 146

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f

Clean the corona wire of the drum unit 
by gently sliding the green tab from right 
to left and left to right several times.

CAUTION

Be sure to return the green tab to the home 
position (

a

) (1). If you do not, printed pages 

may have a vertical stripe.

g

Put the new drum unit and toner 
cartridge assembly in the machine.

h

Press 

Clear/Back

.

To confirm you are installing a new 
drum, press 

1

.

i

When the LCD shows 

Accepted

, close 

the front cover.

Machine information

B

Checking the serial number

B

You can see the machine’s serial number on 
the LCD.

a

(For MFC-7340) Press 

Menu

, 

4

, 

1

.

(For MFC-7345N and MFC-7440N) 
Press 

Menu

, 

5

, 

1

.

(For MFC-7840W) Press 

Menu

, 

6

, 

1

.

Machine Info.
1.Serial No.

b

Press 

Stop/Exit

.

Checking the page counters

B

You can see the machine’s page counters for 
copies, printed pages, reports and lists, faxes 
or a summary total.

a

(For MFC-7340) Press 

Menu

, 

4

, 

2

.

(For MFC-7345N and MFC-7440N) 
Press 

Menu

, 

5

, 

2

.

(For MFC-7840W) Press 

Menu

, 

6

, 

2

.

Machine Info.
2.Page Counter

b

Press 

a

 or 

b

 to choose 

Total

, 

Fax/List

, 

Copy

 or 

Print

.

You can see the machine’s page count.

c

Press 

Stop/Exit

.

1