AR-280 (serv.man8). AR280 285 335 Service Manual-Consumable Parts - Sharp Copying Equipment Service Manual (repair manual). Page 8

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2) Storage condition (packed conditions)
B. Use conditions
C. Life (packed conditions)
Photoconductor drum (36 months from the production month)
Developer, toner (24 months from the production month)
4. Production number identification
A. Photoconductor drum
<TYPE A>
Numeric figure
Indicates the sensitivity of the photo conductor.
Alphabet
Indicates the model code, "C" for this model. 
Numeric figure
Indicates the last digit of the production year. 
Numeric figure or X, Y, Z
Indicates the production month.
X means October, Y November, and Z December. 
 
Numeric figure
Indicates the production day 
Numeric figure or X, Y, Z
Indicates the packing month.
X means October, Y November, and Z December. 
 
Numeric figure
Indicates the packing day.
Alphabet
Indicates the division of the production factory. 
<TYPE B>
Numeral 
This function: "2"
Alphabet
Shows the applicable model. PC for this model.
Numeral 
Shows the end digit of the production year.
Numeral or X, Y, Z
Shows the production month. 
X stands for October, Y November, and Z December.
Numeral
Shows the production lot.
Numeral
Shows the distinction of sub lot.
Numeral or X, Y, Z
Shows the packing month.
X stands for October, Y November, and Z December.
Numeral
Shows the packing day.
Numeral or alphabet
Shows the product name of the drum.
B. Developer/Toner
Numeral
Shows the production lot.
Numeral
Shows the distiction of sub lot.
40
90%
100
80
60
40
20
90
70
50
30
10
40
10%
50
40
30
20
10
0
-10
-20
(%)
Humidity
Temperature
(%)
Temperature
Humidity
100
80
60
40
20
0
-30
-20
-10
0
20
30
40
50
60
30    85%
10
35    60%
Use envi-
ronment 
conditions
( C)
 C
20%
85%
 C
11
1
2
3
4
5
6
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7
4 – 6
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