

Troubleshooting and routine maintenance
77
B
Machine information
B
Checking the serial number
B
You can see the machine’s serial number on 
the LCD.
a
Press
Menu
.
b
Press
a
or
b
to choose
3.Machine Info
.
Press
OK
.
c
Press
a
or
b
to choose
1.Serial No
.
Press
OK
.
d
Press
Stop/Exit
.
Checking the page counters
B
You can see the machine’s page counters for 
copies, printed pages, reports and lists or a 
summary total.
a
Press
Menu
.
b
Press
a
or
b
to choose
3.Machine Info
.
Press
OK
.
c
Press
a
or
b
to choose
2.Page Counter
.
Press
OK
.
d
Press
a
or
b
to choose
Total
,
List
,
Copy
or
.
You can see the machine’s page count.
e
Press
Stop/Exit
.
Checking the Drum life
B
You can see the machine’s drum life on the 
LCD.
a
Press
Menu
.
b
Press
a
or
b
to choose
3.Machine Info
.
Press
OK
.
c
Press
a
or
b
to choose
3.Drum Life
.
Press
OK
.
You can see the remaining percentage 
of drum life.
d
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.