Ricoh DD5450 Field Service Manual page 113

Exterior and Lot No.
Power connector
REFERENCE
Lot No.
Lot No. is shown with 4 digits including alphabet. Each digit has the following meanings as below.
Lot No.
Chapter 3
Thermistor
Sign
Month
Master Making/Master Feed/Ejection Section
2
Thermal resistor line
Pin (No.1)
Serial No.
Serial No. in the production month
Production month (See the table)
Production year (Year of decade)
A B C D E F G H L J K L
1 2 3 4 5 6 7 8 9 10 11 12
Signal connector
Pin (No.1)
111
３