Description : Dell monochrome laser printer (EPSON parts inside) with duplex, LAN port, paralel port. Speed is up to 28 pages per minute.
Dimensions (mm) printer : 396 mm W x 345 mm D x 254 mm H;
Weight : 11.4 kg including toner cartridge;
Power consumption : continuous printing 400 W, Ready mode 10 W, Power Saver mode: 9 W;
Additional memory : optional 128 MB memory – one memory expansion slot available;
Toner cartridges : Dell 1720/1720dn toner cartridges available in standard and high capacity versions: standard toner yield is 3000 pages, high-capacity 6000 pages, based on 5% page coverage ;
Interfaces : 1720 – USB 2.0 (full speed) port, IEEE 1284-B compliant Parallel port (cables not included). 1720dn – 10/100 BaseT Ethernet, USB 2.0 (full speed) and IEEE 1284-B compliant Parallel ports;
Processor : 366 MHz ARM9 processor
Memory : 1720 – 16 MB RAM standard, 144 MB maximum (one memory expansion slot available). 1720dn – 32 MB RAM standard, 160 MB maximum (one memory expansion slot available)
Duty cycle : up to 25 000 pages per month;
Print speed : up to 28 A4 pages per minute (ppm) . Actual print speed will vary with use.
First page out time ~ 7.5 sec (Simplex print, Standby or Power Saver mode)
Warm-up time from power on to ready state on LEDs ~ 20 seconds
Print resolution : 600 x 600 dpi (printer default), 2400 interpolated image quality, 1200 interpolated image quality (driver default), 1200 x 1200 dpi True (half rated speed)
User interface : 2 button, 6 LED layout with icon-based labels;
Description : Dell_printer_1720_en.PDF
Driver download : local (evilbox.ro)
How to install aditional RAM memory : http://www.dell.com/support/article/us/en/04/SLN291086/EN
Note : My Dell 1720DN printer has a metal cover fixed in place by 4 screws. It’s not shown in the instructions.
Memory slot for RAM upgrade
You need 128MB SDRAM 100 pin PC133 memory.