HP 7550 manual Product Support booklet

Page 38

Problem

 

Possible cause

 

Solution

 

 

 

 

 

Windows PC only

 

Installation was not

 

Try the following:

When I connected

 

completed, it was

 

1

Disconnect the USB cable from your

a USB cable

 

cancelled, or there

 

 

computer.

between the printer

 

was an error.

 

2

Unplug the power cord from the

and my computer,

 

 

 

 

printer, then plug it in again.

the New Hardware

 

 

 

3

Uninstall the printer software. Insert the

Wizard appeared

 

 

 

 

 

 

 

printer software CD into your computer,

once, but the printer

 

 

 

 

 

 

 

 

click Remove HP Photosmart software,

did not install

 

 

 

 

 

 

 

 

then follow the instructions on your

completely. Now

 

 

 

 

 

 

 

 

computer screen.

the New Hardware

 

 

 

 

 

 

 

4

When the uninstall is completed, restart

Wizard will not

 

 

 

 

 

 

 

your computer.

appear again.

 

 

 

 

 

 

 

5

Reconnect the USB cable to your

 

 

 

 

 

 

 

 

 

computer. Make sure the cable is

 

 

 

 

 

securely attached to the USB port on

 

 

 

 

 

the back of the printer.

 

 

 

 

6

Reinstall the printer software. For

 

 

 

 

 

instructions, see the Software Setup &

 

 

 

 

 

Product Support booklet.

 

 

 

 

 

 

 

 

 

 

 

Windows PC only

 

Static electricity has

 

Try the following:

When I connect a

 

built up in the cable

 

1

Disconnect the USB cable from your

USB cable between

 

between your

 

 

printer.

the printer and my

 

computer and

 

2

Disconnect the power cord from the

computer, an

 

printer.

 

 

printer.

UNKNOWN

 

OR

 

3

Wait approximately 10 seconds.

DEVICE message

 

You may have a

 

 

 

4

Plug the power cord back into the

appears.

 

defective USB

 

 

 

 

printer.

 

 

cable.

 

 

 

 

 

5

Plug the USB cable back into the port

 

 

OR

 

 

 

 

 

on the back of the printer.

 

 

Your USB cable

 

 

 

 

 

6

If UNKNOWN DEVICE continues to

 

 

may not be

 

 

 

 

 

appear in the New Hardware Wizard,

 

 

connected

 

 

 

 

 

 

check www.hp.com for updates or

 

 

properly.

 

 

 

 

 

 

contact HP Support and Services. For

 

 

OR

 

 

 

 

 

 

contact information, see the Software

 

 

The software could

 

 

Setup & Product Support booklet that

 

 

not identify the

 

 

came with your printer.

 

 

printer; the printer-

 

 

 

 

 

USB connection

 

 

 

 

 

may be defective.

 

 

 

 

 

 

 

 

 

34

basics guide

Image 38
Contents Basics guide Page Contents Specifications Welcome Get startedPrinter parts BackFront Get started printer partsControl panel LEFT, RIGHT, UPIndicator lights Card slotsPaper information Load paper in the in trayLoad photo paper in the photo tray Get started paper informationPrint cartridge information Get started print cartridge information Use reserve modeInstall or replace the print cartridges Basics guide Use the control panel Get started use the control panelUse the indicator lights Menu map MenuPreferences Use your printer with a camera Print camera-selected photosSelect and print photos Print from a memory card Supported memory cardsInsert a memory card Use your printer with a camera print from a memory cardInsert a MultiMediaCard or Secure Digital memory card Decide which photos to print Insert a Memory Stick memory cardPrint photos from the control panel View photos on the LCDUse your printer with a computer Print from a Windows PCPrint from a software application Use the Windows PC taskbar icons Basics guideHp photosmart printer icon Use your printer with a computer print from a Windows PCBasics guide Use your printer with a computer print from a Macintosh Print from a MacintoshPrint from a software application OS X or OS Basics guide Windows PC connection problems TroubleshootingMacintosh connection problems Print a diagnostic Troubleshooting print a diagnosticUSB connection problems ProblemTroubleshooting USB connection problems Possible causeOn next From previous Product Support booklet Printer problems Troubleshooting printer problemsFrom previous From previous Problem Possible cause Solution Printing problems Troubleshooting printing problemsProblem Possible cause Solution No page came out of the printer Problem Possible cause Solution Problem Possible cause Solution See the specifications section of the Printer Problem Possible cause Solution Print quality is poor From previous Problem Possible cause Solution Photos are not printing correctly Problem Possible cause Solution Problem Possible cause Solution Basics guide Specifications System requirementsSpecifications Index IndexUSB connection problems 30-35Windows connection problems Page Page Page Hewlett-Packard Company
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