Brother HL 1650 - Manual (Page 131)

4-10
♦ Minimum memory recommendation
HL-1650 (Including 8 Mbytes of internal memory)
HP LaserJet, EPSON FX-850, and IBM Proprinter XL emulation modes
300 dpi 600 dpi HQ1200
Letter/A4 Standard Standard 24 Mbytes
Legal Standard Standard 24 Mbytes
BR-Script 3 mode
300 dpi 600 dpi HQ1200
Letter/A4 Standard Standard 24 Mbytes
Legal Standard Standard 24 Mbytes
Duplex printing
300 dpi 600 dpi HQ1200
HP LaserJet Standard 24 Mbytes 40 Mbytes
BR-Script 3 Standard 24 Mbytes 40 Mbytes