Service manual

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
12345678910
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.
12 34567
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
12345678
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)