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(10) Toner remaining level Data (10 to 12)
The Toner Remaining Level in the Toner Cartridge is shown by 8 levels.
The 4th digit shows the remaining level "X/8". (Only "X" is indicated.)
And the input from Toner Remaining Level Sensors (8 pieces) is shown by hexadecimal data on
5th and 6th digits, which can be used to check if the Toner Remaining Level Sensors are
functioning correctly.
To check the input condition, convert the hexadecimal into binary. Each of 8 digits of binary data is
related with toner sensors as follows.
Example) When "7F" is indicated.
7F
"0" means "Toner is not detected", and "1" means "Toner is detected".
Therefore, the machine judges the remaining level of toner as "7/8".
Toner
Remaining
S518
Level
8/8
1
7/8
0
6/8
0
5/8
0
4/8
0
3/8
0
2/8
0
1/8
0
3
Weight of
2
bits
(8)
Upper Digit (x10)
Reference : Relationship between Decimal and Hexadecimal numeric system
Decimal
0
Hexa-decimal
0
MENU
0 1 1 1 1 1 1 1
S511 : Toner Volume Detection Signal 0 (Level 1/8)
S512 : Toner Volume Detection Signal 1 (Level 2/8)
S513 : Toner Volume Detection Signal 2 (Level 3/8)
S514 : Toner Volume Detection Signal 3 (Level 4/8)
S515 : Toner Volume Detection Signal 4 (Level 5/8)
S516 : Toner Volume Detection Signal 5 (Level 6/8)
S517 : Toner Volume Detection Signal 6 (Level 7/8)
S518 : Toner Volume Detection Signal 7 (Level 8/8)
Paper Sensors
S517
S516
S515
1
1
1
1
1
1
0
1
1
0
0
1
0
0
0
0
0
0
0
0
0
0
0
0
2
1
0
2
2
2
(4)
(2)
(1)
1
2
3
4
5
6
7
1
2
3
4
5
6
7
8-30
ENTER ONLINE
Hexadecimal
Remaining level (Example : 7/8)
S514
S513
S512
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
0
1
1
0
0
1
0
0
0
3
2
1
2
2
2
(8)
(4)
(2)
Lower Digit (x1)
8
9
10
11
12
8
9
A
B
C
Hexadecimal
S511
1
FF
1
7F
1
3F
1
1F
1
0F
1
07
1
03
1
01
0
2
(1)
13
14
15
D
E
F
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