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App. 1-3
Confidential
■ Toner cartridge and Drum unit serial label (in common)
<How to read>
Fig. App. 1-5
<Location>
Fig. App. 1-6 Fig. App. 1-7
Year of manufacture
7: 2007
8: 2008
Assembly line number
Serial number (6-digit)
Toner filling amount (A to D, 5)
Manufacturing factory No.
A : January
B : February
C : March
D : April
Month of manufacture
E : May
F : June
G : July
H : August
J : September
K : October
L : November
M : December
Serial label
Toner cartridge
Drum unit
Serial label