CHAPTER 2 THEORY OF OPERATION
Confidential
2-18
•
The number of rotation of the developer roller per page is as follows;
1. One printed page only or the first page of continuous printing = 11 rotations
2. The second page or later = 3.6 rotations
•
Number of idling rotation when the printer is turned ON = 9 rotations
HL-5240/5250DN/5270DN/5280DW(High Capacity (7K) toner)
Page/job
1
2
3
4
5
6
7
8
9
10
11
12
Cartridge life
8,400 12,658 15,231 16,954 18,189 19,117 19,840 20,420 20,894 21,290 21,626 21,913
Cartridge life+ON/OFF
4,620 7,831 10,191 12,000 13,430 14,589 15,548 16,354 17,041 17,634 18,150 18,604
Toner empty (5%)
7,000 7,000 7,000 7,000 7,000 7,000 7,000 7,000 7,000 7,000 7,000 7,000
Toner empty (4%)
8,750 8,750 8,750 8,750 8,750 8,750 8,750 8,750 8,750 8,750 8,750 8,750
Toner empty (3%)
11,667 11,667 11,667 11,667 11,667 11,667 11,667 11,667 11,667 11,667 11,667 11,667
Toner empty (2%)
17,500 17,500 17,500 17,500 17,500 17,500 17,500 17,500 17,500 17,500 17,500 17,500
Toner empty (1%)
35,000 35,000 35,000 35,000 35,000 35,000 35,000 35,000 35,000 35,000 35,000 35,000
Cartridge life = 11a x 8400 / ( 3.6 x (a - 1) + 11 )
a : Page / job
Cartridge life+ON/OFF = ( 11a x 8400 ) / ( 3.6 x (a - 1) + 11 + 9 )
Cartridge life (Mechanical limit) : 8400 ( 1page / job )
0
5,000
10,000
15,000
20,000
25,000
30,000
35,000
40,000
1
2
3
4
5
6
7
8
9
10
11
12
Page / Job
P
rint
able pages
Cartridge life
Cartridge life+ON/OFF
Toner empty (5%)
Toner empty (4%)
Toner empty (3%)
Toner empty (2%)
Toner empty (1%)
