MX-1800N (serv.man12). Section 3 - Consumable Parts - Sharp Copying Equipment Service Manual (repair manual). Page 2

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MX-1800N  CONSUMABLE PARTS  3 – 2
3. Production number identification
A. Drum cartridge
The lot number is of 10 digits. Each digit indicates the content as
follows.
The number is printed on the flange on the front side. The laser
print shows the production year and month.
B. Developer
The lot number is of 8 digits. Each digit indicates the content as fol-
lows.
The number is printed on the right under side of the back surface of
the developer bag.
C.  Toner cartridge
The label indicating the management number is attached to the
side of the toner cartridge.
1:
Number
For this model, this digit is 2.
2:
Alphabet
Indicates the model conformity code. H for this model.
3:
Number
Indicates the end digit of the production year. 
4:
Number or X, Y, Z
Indicates the production month.
X stands for October, Y November, and Z December.
5/6:
Number or X, Y, Z
Indicates the production month.
X stands for October, Y November, and Z December.
7:
Number
Indicates the production month.
Indicates the day of the month of packing.
X stands for October, Y November, and Z December.
8/9:
Number
Indicates the day of the day of packing.
10:
Alphabet
Indicates the production factory. "C" for China.
1:
Alphabet
Indicates the production factory.
2:
Number
Indicates the production year.
3/4:
Number
Indicates the production month.
5/6:
Number
Indicates the production day.
7:
Hyphen
8:
Number
Indicates the production lot.
1
2
3
4
5
6
7
8
9
10
1
2
3
4
5
6
7
8
BK
C. M .Y
Part name
Toner color
Production
place
Serial No. in production day
Production
year/month/day
Version
Destination
Incompatibility
Example: 134th of production on August 24, 2005
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