AR-M351U, AR-M451U (serv.man7). Consumable Parts - Sharp Copying Equipment Service Manual (repair manual). Page 4

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AR-M351U/M451U, AR-M355U/M455U  CONSUMABLE PARTS  4 - 4
2. Production number identification
A. Drum cartridge
The lot number, printed on the front side flange, is composed of 10
digits, each digit showing the following content:
B. Toner cartridge
The lot number is of 7 digits, and each digit indicates as follows.
The lot number shall be printed in the position shown in the figure. 
C. Developer cartridge
The lot number is of 8 digit, and each digit indicates as follows.
The lot number shall be printed on the bag.
3. Environmental conditions
A. Operating conditions
B. Storage conditions
1
2
3
4
5
6
7
8
9
10
1
Number
For this model, this digit is 2.
2
Alphabet
Indicates the model conformity code. T 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
Indicates the production day on the month.
7
Number or X, Y, Z
Indicates the month of packing. 
X stands for October, Y November, and Z December.
8/9
Number
Indicates the day of the month of packing.
10
Alphabet
Indicates the production factory. "A" for Nara Plant.
1
3
4
5
6
7
1
Version number (A - sequentially revised)
2
Numeral figure
Indicates the end digit of the production year.
3
Alphabet
Indicates the production factory. (B for SOCC)
4
Destination code
5/6
Numeral figures
Indicates the production day.
7
Numeral figure or X, Y, Z
Indicates the production month.
X stands for October, Y November, and Z December.
Serial No. attachment
Serial No. attachment
Aluminum bag
Heat seal
1
2
3
4
5
6
7
8
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. 
Temperature
Humidity (%)
85
20
10
35
(Without dew condensation)
30
85%
35
60%
Temperature
Humidity (%)
90
20
-10
40
(Without dew condensation)
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