Brother HL-4200CN Service Manual page 358

TR-11CL
The life is 25,000-page (by printing BW document and Full color document 50%:50%.). The
detail is as follows.
The life will be 25,000-page when
Printing 5% coverage BW document for
12,500-page
Printing 20% coverage (C:5%, M:5%, Y:5%,
BK:5%) for 12,500-page
Above situation is same as the situation below.
Printing 12.5% (C:2.5%, M:2.5%, Y:2.5%, BK:
5%) for 25,000-page
The life will change when the coverage becomes high
Total Coverage
12.5
15
17.5
20
22.5
25
27.5
30
32.5
35
37.5
40
BW (%) Full Color
each (%)
5
6
7
8
9
10
11
12
13
14
15
16
Mono: 5% bk
Life k(p/v)
5 29.4
6
28.4
7
27.6
8
26.8
9
26.0
10
25.3
11
24.6
12
24.0
13
23.4
14
22.8
15
22.2
16
21.7
Full color: 20%
5% each
Full color: 12.5%
C:2.5%, M:2.5%,
Y:2.5%, BK: 5%
We say this
value as
25,000-page
by taking
some margin