Read Sharp MX-M623U / MX-M753U (serv.man10) Service Manual online
MX-M753N CONSUMABLE PARTS 3 – 3
3. Definition of Developer and Drum life
end
When the developer/drum counter reaches the specified level.
When the developer/drum rpm reaches the specified level.
When either of the above reached the specified level, it is judged
as life end.
In an actual case, when correction or warm-up operation is per-
formed 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 level, it is judged as life end.
To check the drum life, use SIM22-1/22-13.
When the developer/drum rpm reaches the specified level.
When either of the above reached the specified level, it is judged
as life end.
In an actual case, when correction or warm-up operation is per-
formed 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 level, it is judged as life end.
To check the drum life, use SIM22-1/22-13.
4. 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.
follows.
The number is printed on the flange on the front side.
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.
lows.
The number is printed on the right under side of the back surface of
the developer bag.
C. Toner cartridge
A label with the management number on it is attached to the top of
the toner cartridge.
the toner cartridge.
D. Environmental conditions
Developer/drum counter
Developer/drum rpm
Developer/drum
300K
840K 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.
Indicates the day of the production date.
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.
1
2
3
4
5
6
7
8
9
10
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.
Standard environmental
conditions
conditions
Temperature
20 – 25 °C
Humidity
65
5 %RH
Usage environmental
conditions
conditions
Temperature
10 – 35 °C
Humidity
20 – 85 %RH
Storage period
Toner/Developer: 24 months from the
manufactured month (Production lot) under
unsealed state
Drum: 36 months from the manufactured month
under unsealed state
manufactured month (Production lot) under
unsealed state
Drum: 36 months from the manufactured month
under unsealed state
1
2
3
4
5
6
7
8
Product name
Color
Incompatibility
Production
place
place
Version
Serial No.
in production day
in production day
Production
year/month/day
year/month/day
Destination No.
85%
60%
20%
10
30
35
(Humidity)
(Temperature)
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