Brother HL-820 Service Manual page 115

How to Read the Drum Life
The bar shown below is printed at the bottom of Test Print / Print
Configuration.


It initially indicates 100% and gradually decreases.


It indicates 0% when the Drum lamp is on.


It stays at 0% even if further printing is done.
0%
How to Read the Page Counter
The page counter is not shown directly for some countries. (Refer to the note
in the previous page.)
However, the values printed at the right below of the drum life bar, which are
available in all countries, indicate the number of the printed pages in a unit of
1 and in a unit of 1,000.


Value in a unit of 1
The hexadecimal value stored in NV-RAM is printed.
Example:
Value in units of 1,000
(Refer to the table below.)
60,000 x 0 + 600 x 0 + 14 + 13 + 13 + 13 + 13 + 13 = 79


Value in units of 1,000
Page counter indicated by units of 1,000 pages.
0 - 99 pages
100 - 199 pages
200 - 299 pages
300 - 399 pages
400 - 499 pages
500 - 599 pages
Drum Life
000000E0D0D0D0D0D
0 00 00 0E 0D 0D 0D 0D 0D
0 600 - 699 pages
1 700 - 799 pages
2 800 - 899 pages
3 900 - 999 pages
4 1,000 - 1,999 pages
5 2,000 - 2,999 pages
A-19
PR98092
100%
00000030303030202
6
7
8
9
A
B