20G0891 - Lexmark Envelope Feeder for T640

Here are the technical specifications for the Lexmark Envelope Feeder for T640:

1. Compatibility: T640, T642, T644
2. Media Types Supported: Envelopes (sizes 7 3/4, 9, 10, B5, C5, DL)
3. Paper Capacity: Up to 85 envelopes
4. Feeder Capacity: 1
5. Dimensions (WxDxH): 16.3 x 15.7 x 5.5 in
6. Weight: 7.5 lbs
7. Power Consumption: 0.3 watts (sleep mode)
8. Operating Temperature: 16 to 32°C (60 to 90°F)
9. Humidity: 8 to 80% Relative Humidity
10. Noise Level: 38 dBA (Idle)
11. Interface: Parallel, USB, Ethernet
12. Input Voltage: 110-120V AC

Helpful Notes:
1. The envelope feeder is easy to install and saves time by allowing you to print envelopes without manually feeding them.
2. The feeder can handle up to 85 envelopes, making it ideal for small to medium-sized offices.
3. The envelope feeder is compatible with multiple Lexmark printer models, making it a versatile addition to your office equipment.