HP 4200 series - Manual (Page 15)

user guide
hp officejet overview
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cejet o
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front panel overview
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feature purpose
12 Power connector
13 1-LINE port
14 2-EXT port
15 USB port
16 Handset port (HP Officejet 4250 Series only)
17 Rear cleanout door
18 Rear cleanout door access tab
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8 9 10
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