MX-3050N, MX-3060N, MX-3070N, MX-3550N, MX-3560N, MX-3570N, MX-4050N, MX-4060N, MX-4070N (serv.man6). NOTE Service Manual for models with the V suffix only. - Sharp Copying Equipment Service Manual (repair manual). Page 21

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MX-4070V  CONSUMABLE PARTS  3 – 8
Drum
4.  Production number identification
A. OPC drum
The lot number is comprised of 10 digits. Each digit indicates the con-
tent as follows.
The number is printed on the flange on the front side.
B. Developer
The lot number is 8 digits (BK) and 5 digits (CMY) in length. Each digit
indicates the content as follows.
The number is printed on the back side of the developer bag.
[BK]
[C,M,Y]
C. Toner cartridge
The number is printed on the side of the toner cartridge
: Unit code/Model name
: Color code
(Black: BK/Cyan: CY/Magenta: MA/Yellow: YE)
: Destination
: Skating
: Production factory
: Production date (YYYYMMDD)
: Serial number
: Version number
: Line No.
Standard printable 
number
Maximum 
printable 
number
Rotation
Mono
Color
Mono
Color
Mono
Color
30 ppm 
machine
200K
150K
230K
170K
1350K
1350K
35 ppm 
machine
200K
150K
230K
170K
1350K
1350K
40 ppm 
machine
250K
200K
285K
230K
1350K
1350K
Digit
Character type
Content
1
Number
For this model is 2
2
Alphabet
Model conformity code
3
Number
End digit of the production year
4
Number or 
X, Y, Z
Production month
X stands for October
Y November
Z December
5
Number
Day of the production date
6
7
Number or 
X, Y, Z
Day of the month of packing
X stands for October
Y November
Z December
8
Number
Day of the packing date
9
10
Alphabet
Production factory
2
1
4
3
6
5
10
9
8
7
BK 
C .  M .Y 
3B301 
Digit
Character type
Content
1
Alphabet
Production factory
2
Number
End digit of the production year
3
Number
Production month
4
5
Number
Day of the production date
6
7
hyphen
8
Number
production lot
Digit
Character type
Content
1
Number
End digit of the production year
2
Alphabet
Production factory
3
Number or 
X, Y
Production month
0 stands for October
X November
Y December
4
Number
Day of the production date
5
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