Brother International HL 1240 Service Manual - Page 159

APPENDIX APPENDIX 1. SERIAL NO. DESCRIPTIONS The descriptions below show how to understand the meanings of the numbers printed on the labels or bag of the printer and printer parts. < ID for production month > A: January B: E: May F: J: September K: February June October C: March G: July L: November < ID for factory > 9: Kariya Plant A: J: Buji Nan Ling Factory Mie Brother C: BIUK D: April H: August M: December (1) Printer printed on the label attached on the rear of the main body < SERIAL NO. > X X X X X X G 9 J 1 1 1 1 0 1 SEQUENTIAL NO. FACTORY ID NO. YEAR MONTH (2) Process unit ........imprinted on the aluminum bag (Drum unit with toner cartridge) 9F30 J YEAR MONTH DATE FACTORY ID NO. (3) Drum unit printed on the bar code label attached inside the drum unit F 9 9 1 0 0 1 0 4 MONTH YEAR SERIAL NO. FACTORY ID NO. A-1