Brother International HL 1240 Service Manual - Page 311

Print Speed Warm-Up First Print Print Media Life Expectancy: Life Expectancy: Up to 12 pages per minute When A4 or letter-size paper is loaded from the paper cassette NOTE: Maximum print speed is obtained by printing several copies of the same page. Print speed may vary depending on interface type, emulation, processing power of the computer, memory allocated to the print job, paper size and graphic quality. Max. 45 seconds at 23°C (73.4°F) The warm up time depends on the ambient temperature and humidity. 15 seconds Toner cartridge: 6,000 pages/high capacity toner cartridge 3,000 pages/standard toner cartridge When A4 or letter-size paper is loaded from the paper cassette When printing A4- or letter-size paper at 5% print coverage. NOTE: Toner life expectancy will vary depending on the type of average print job printed. Drum unit: Average up to 20,000 pages NOTE: There are many factors that determine the actual drum life, such as temperature, humidity, type of paper and toner that you use, the number of pages per print job, etc. A-2