Estimated life of 6,000 pages at 5% coverage for letter-size paper.

Compatible With:
B4300 Digital Mono Printer
B4300n Digital Mono Printer
B4350 Digital Mono Printer
B4350n Digital Mono Printer
B4350 Digital Mono Printer (Black)
B4350n Digital Mono Printer (Black)
B4300 - Refurbished Mono Printer
B4350n Digital Mono Printer (with PostScript)