HP Color Laser MFP 178nw All-in-One Wireless Printer

• Function: Print, Scan, Copy
• Print speed black (ISO, A4): Up to 18 ppm
• Print Speed Color (ISO): Up to 4 ppm
• Duplex printing: Manual
• Duty cycle: Up to 20,000 pages
• Print resolution (best): Up to 600 x 600 dpi 4 bits
• Scanner type: Flatbed
• Scan file format: PDF, JPG, TIFF
• Scan resolution: Up to 600 × 600 dpi
• Copies, maximum: Up to 999 copies
• Copy speed (black, normal quality, A4): Up to 14 cpm

HP Laser MFP 135W A4 Mono Multifunction Laser Printer

• Print technology: Laser
• Print resolution (best): Up to 1,200 x 1,200 dpi
• Monthly duty cycle: Up to 10,000 pages
• Scan technology: Contact Image Sensor (CIS)
• Scan resolution, hardware: Up to 4800 × 4800 dpi
• Maximum number of copies: Up to 99 copies
• Copy resolution: Up to 600 x 600 dpi
• Ports: Hi-Speed USB 2.0; Wireless 802.11 b/g/n
• Wireless capability: Yes, built-in Wi-Fi 802.11b/g/n

• Brand: HP
• Model: Deskjet 2720
• Connectivity Technology: WiFi, USB
• Series: HP DeskJet All In One Printer
• Printing Technology: Thermal
• Special Features: Print speed 7.5/5.5 ppm (black/colour), Reliable connectivity with Dual Band Wi-Fi with self-reset + Bluetooth 4.2, Print. Copy. Scan, Wireless and HP Smart app capable, Contains more than 20% recycled plasticPrint speed 7.5/5.5 ppm (black/colour), Reliable connectivity with Dual Band Wi-Fi with self-reset + Bluetooth 4.2

Epson LQ-690 Dot Matrix Printer

• Printing Method: Impact dot matrix
• Number of Pins: 24 pins
• Number of columns:106 columns
• Pins: 24 Needles
• Mean Time Between Failures: 20,000 hours
• Print Head Life: 400 Million Strokes/Wire
• Ribbon Yield: 10000000 characters Black Draft
• Printing Resolution: 360 x 180 DPI
• Interfaces: USB 2.0 Type B, Bidirectional parallel