HP Deskjet 840/842/843c HP DeskJet 840C Series - (English) Windows Connect Use - Page 13

If you have problems installing, Disable, HP Customer Care by Phone

Page 13 highlights

If you have problems installing • Make sure your printer is on and all connections are firm. • Exit your software programs. Then turn off the computer and the printer. Turn on the printer, then turn on the computer. • Close any virus protection programs that are running on your computer. Either right-click the virus protection program's icon on the taskbar and select Disable, or click the "x" in the upper-right corner of the virus protection program's open window. • Uninstall the printer software using the instructions on page 27 then repeat the installation procedure. • If you're still having problems with the installation, call an authorized HP dealer or HP Customer Care representative. For the phone number of the support center nearest you, see HP Customer Care by Phone on page 55. 13

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13
If you have problems installing
Make sure your printer is on and all connections are firm.
Exit your software programs. Then turn off the computer and
the printer. Turn on the printer, then turn on the computer.
Close any virus protection programs that are running on your
computer. Either right-click the virus protection program’s
icon on the taskbar and select
Disable
, or click the “x” in the
upper-right corner of the virus protection program’s open
window.
Uninstall the printer software using the instructions on
page 27 then repeat the installation procedure.
If you’re still having problems with the installation, call an
authorized HP dealer or HP Customer Care representative.
For the phone number of the support center nearest you,
see
HP Customer Care by Phone
on page 55.