Electrical specifications
Printer model Electrical specification
X86x MFP low-voltage models* 100–127 V at 47–63Hz, nominal
90–137 V, extreme
X86x MFP high-voltage models 220–240 V at 50–60Hz, nominal (not availabl e in all countries)
198–259 V, extreme
W850x SFP low-voltage models 100–127 V at 47–63Hz, nominal
90–137 V, extreme
W850x SFP high-voltage models 220–240 V at 50–60Hz, nominal (not available in all countries)
198–259 V, extreme
* Using a 220–110 power converter with 110 V printer is not recommended.

Warning—Potential Damage: Do not use voltage converters with printers.

Power requirements

The following table specifies the nominal average power requi rements for the base configuration , including fuser power.

Lexmark X86x and W850x nominal average power requirements

Printing state W850 X860 X862 X864
Average power while printing continuously
1-sided (simplex)
2-sided (duplex)
700 W
560 W
730 W
600 W
800 W
660 W
830 W
660 W
Average power while idle
Power Saver mode
Ready mode
Low power/ Standby
mode
8 W
100 W
Not applicable
22 W
160 W
Not applicable
22 W
160 W
90 W
22 W
160 W
90 W
Average power while copying
Copy Not applicable 800 W 840 W 840 W
Average power while scanning
Scan Not applicable 200 W 200 W 200 W
Maximum current while printing
100 V
115 V
230 V
15 A
12 A
8 A
15 A
12 A
8 A
15 A
12 A
8 A
15 A
12 A
8 A
Normal mode 6.00 kWh/wk 6.24 kWh/wk 7.879 kWh/wk 10.516 kWh/wk
Eco mode 4.52 kWh/wk Not applicable 6.959 kWh/wk 7.443 kWh/wk
Printer specifications
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