Brother DCP-7030 Service Manual page 51

■ High-capacity toner cartridge* Approximately 2600 pages
Page/job 1
3,000
Cartridge life
1,915
Cartridge life+ON/OFF
2,600
Toner empty (A)
3,250
Toner empty (B)
4,333
Toner empty (C)
6,500
Toner empty (D)
13,000 13,000 13,000 13,000 13,000 13,000 13,000 13,000 13,000 13,000 13,000 13,000
Toner empty (E)
Cartridge life = 15a x 3000
Cartridge life+ON/OFF = ( 15a x
Cartridge life (Mechanical limit) :
A: in accordance with ISO/IEC 19752
B: 20% less coverage than A
C: 40% less coverage than A
D: 60% less coverage than A
E: 80% less coverage than A
Cartridge life
20,000
Cartridge life+ON/OFF
Toner empty (A)
18,000
Toner empty (B)
16,000
Toner empty (C)
14 000 14,000 Toner empty (D)
Toner empty (E)
12,000
10,000
8,000 8,000
6,000
4,000
2,000
0
1 2
2 3 4 5
4,663 5,720 6,452 6,988
3,237 4,206 4,945 5,528
2,600 2,600 2,600 2,600
3,250 3,250 3,250 3,250
4,333 4,333 4,333 4,333
6,500 6,500 6,500 6,500
/ ( 4.3 x (a - 1) + 15 )
3000 ) / ( 4.3 x (a - 1) + 15
1800 ( 1Page/job ) 3000
3 4 5
Page / Job
Fig. Ref. 2-15
Ref. 2-16
6 7 8 9
7,397 7,721 7,982 8,198
6,000 6,389 6,716 6,995
2,600 2,600 2,600 2,600
3,250 3,250 3,250 3,250
4,333 4,333 4,333 4,333
6,500 6,500 6,500 6,500
a : Pa ge/ job
+ 8.5 )
( 1Page/job )
6 7 8 9
10 11 12
8,380 8,534 8,668
7,235 7,444 7,627
2,600 2,600 2,600
3,250 3,250 3,250
4,333 4,333 4,333
6,500 6,500 6,500
10 11 12
Confidential