Sharp SF-1014 Service Manual page 8

F Alphabet
Indicates the factory of production. "A" is the code for Nara plant.
B. Developer and toner
The lot number of toner is put on the individual cartridge package and
on the group package, and that of toner is put on the bag and the
group package.
The lot number is of 7 digits, each digit indicating as follows:
1 2 3
1 Alphabet
Indicates the factory of production.
2 Numeral
Indicates the end digit of the year of production.
3 4 Numeral
Indicates the month of production.
5 6 Numeral
Indicates the day of production.
7 Numeral
Indicates the sub lot number.
Normal C
1 2
When a change is made on the product in the same operation sys-
tem:
Normal C
1 5 2 6
A,B,C: Operation system
4 5 6
A B
3
A B
3 7 4
7
4
8
2 – 4