Machine Information; Checking the Serial Numbers; Checking the Page Counters- Page 117

Troubleshooting and routine maintenance

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11

Machine Information

Checking the Serial Numbers

You can view the MFC’s serial number on the 
LCD.

1

For MFC-7420:
Press 

Menu/Set

, 

4

, 

1

.

For MFC-7820N:
Press 

Menu/Set

, 

6

, 

1

.

2

Press 

Stop/Exit

.

Checking the Page Counters

You can view the MFC’s page counters for 
copies, printer pages, reports and lists, faxes 
or a summary total.

1

For MFC-7420:
Press 

Menu/Set

, 

4

, 

2

.

For MFC-7820N:
Press 

Menu/Set

, 

6

, 

2

.

2

Press 

▲

 or 

▼

 to select 

Total

, 

Copy

, 

Print

 or 

List/Fax

.

3

Press 

Stop/Exit

.

Checking the Drum Life

You can view the MFC’s drum life on the 
LCD.

1

For MFC-7420:
Press 

Menu/Set

, 

4

, 

3

.

For MFC-7820N:
Press 

Menu/Set

, 

6

, 

3

.

2

Press 

Stop/Exit

.

Note

The drum life check will be accurate only if 
you have reset the drum counter when you 
installed a 

new

 drum unit. It will not be 

accurate if you have reset the drum counter 
during the life of a 

used

 drum.

Serial No.
XXXXXXXXXXX

Machine Info.
2.Page Counter

Page Counter
Total:     XXXXX

Page Counter
Copy:      XXXXX

Page Counter
Print:     XXXXX

Page Counter
List/Fax:  XXXXX

Drum Life
Remaining:XXX%