Read Sharp MX-6500N / MX-7500N (serv.man11) Service Manual online
MX-7500N CONSUMABLE PARTS 3 – 7
3. Definition of developer/drum life end
When the developer/drum counter reaches the specified count.
When the developer/drum rpm reaches the specified count.
When either of the above reach the specified count, it is judged as life end.
In an actual case, the ratio of monochrome output and color output may differ greatly.
When data of mixed documents (monochrome and color) are output, monochrome document data may be output in the color mode in order to
prevent against fall in the job efficiency. (ACS auto color selection).
prevent against fall in the job efficiency. (ACS auto color selection).
In addition, when correction or warm-up operation is performed as well as output operation, the developer and the drum rotates.
Therefore, the developer/drum consuming level cannot be determined only by the copy/print quantity. When, therefore, the rpm reaches the
specified amount, it is judged as life end.
specified amount, it is judged as life end.
To check the developer/drum life, use SIM22-13.
4. Production number identification
A. OPC drum
The lot number is comprised of 10 digits. Each digit indicates the
content as follows.
content as follows.
The number is printed on the flange on the front side.
B. Developer
The lot number is 8 digits in length. Each digit indicates the content
as follows.
as follows.
The number is printed on the developer bag. (For BK, at the right
lower side of the front. For Cl, at the right lower side of the back.)
lower side of the front. For Cl, at the right lower side of the back.)
Developer/drum counter
Developer/drum rpm
B/W
Full color
B/W
Full color
Drum
62cpm/70cpm
300K
200K
1000K rotations
1000K rotations
Developer
600K
400K
2000K rotations
2000K rotations
1:
Number
For this model, this digit is 2.
For this model, this digit is 2.
2:
Alphabet
Indicates the model conformity code.
Indicates the model conformity code.
3:
Number
Indicates the end digit of the production year.
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.
Indicates the production month.
X stands for October, Y November, and Z December.
5/6:
Number
Indicates the day of the production date.
X stands for October, Y November, and Z December.
Indicates the day of the production date.
X stands for October, Y November, and Z December.
7:
Number
Indicates the day of the month of packing.
X stands for October, Y November, and Z December.
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 packing date.
Indicates the day of the packing date.
10:
Alphabet
Indicates the production factory.
Indicates the production factory.
2
1
4
3
6
5
10
9
8
7
1:
Alphabet
Indicates the production factory.
Indicates the production factory.
2:
Number
Indicates the production year.
Indicates the production year.
3/4:
Number
Indicates the production month.
Indicates the production month.
5/6:
Number
Indicates the production day.
Indicates the production day.
7:
Hyphen
8:
Number
Indicates the production lot.
Indicates the production lot.
2
1
4
3
6
5
8
7
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