![](/images/backgrounds/286959/hp-deskjet-640c-users-manual-54879440x1.png)
Troubleshooting Tips
It’s frustrating when things go wrong, but the following pages contain tips that can help you determine what the problem is and how to fix it.
Be sure cable connections are secure. Check if your question is similar to those listed below and then follow the instructions found in that section:
The printer software won’t install, what’s wrong? See pages
Why won’t it print? See pages
What do the flashing lights mean? See page 37.
Is there a problem with your printout? See page 39.
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What is the problem? | Possible cause | To solve the problem… | |
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I inserted a CD, but the | • The CD wasn’t properly | 1 | Reinsert the CD and try again. If this |
computer couldn’t read it. | inserted. |
| doesn’t solve your problem… |
| OR | 2 | Try inserting a CD that you know works. |
| • The CD player may be |
| If that CD doesn’t work, you may need to |
| damaged. |
| replace your CD player. |
| OR | 3 | If other CD’s work but the printer |
| • The CD may be damaged. |
| software CD doesn’t, you may have a |
| OR |
| damaged CD. You can download the |
| • The |
| printer software from the HP Customer |
| may be turned off. |
| Care web site: |
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| www.hp.com/support/home_products |
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| 4 | If you don’t have Web access, contact |
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| HP Customer Care. See page 43, to |
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| locate the phone number nearest you. |
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| 5 | Go to your Extensions Manager to |
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| ensure the Apple CD extension is turned |
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| on. |
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