HP Photosmart Premium Fax C309 - Manual (Page 160)

have them resend the fax. The quality might be better when you try again. If the problem persists, turn Error
Correction Mode (ECM) off and contact your telephone company.
To change the ECM setting from the control panel
1. Press Setup.
2. Press the down arrow button to highlight Advanced Fax Setup, and then press OK.
The Advanced Fax Setup menu appears.
3. Press the down arrow button to highlight Error Correction Mode, and then press OK.
The Error Correction Mode menu appears.
4. Press the down arrow button to highlight Off or On.
5. Press OK.
Cause: The phone line connection was noisy. Phone lines with poor sound quality (noise) can cause faxing
problems.
If this did not solve the issue, try the next solution.
Solution 2: Increase the fax resolution
Solution: For the highest-quality fax, change the fax resolution to Fine, Very Fine (if available), or Photo.
Cause: The fax resolution setting was set to a low resolution, such as Standard.
If this did not solve the issue, try the next solution.
Solution 3: Make sure the glass is clean
Solution: If you are sending a fax from the glass, make a copy to check the quality of the printout. If the quality
of the printout is poor, clean the glass.
Cause: The glass of the product might have been dirty.
If this did not solve the issue, try the next solution.
Solution 4: Check the receiving fax machine for problems
Solution: Try calling the fax number from a telephone and listen for fax tones. If you cannot hear fax tones,
the receiving fax might not be turned on or connected, or a voice mail service could be interfering with the
recipient's phone line. You can also ask the recipient to check the receiving fax machine for any problems.
Cause: The receiving fax machine was having problems.
Solution 5: Use the Lighter/Darker setting to darken the original when sending the fax
Solution: Make a copy to check the quality of the printout. If the printout is too light, you can darken it by
adjusting the Lighter/Darker setting when sending the fax.
Cause: The Lighter/Darker setting might have been set too light. If you were sending a faded, washed out,
or handwritten fax, or a document with a watermark (such as a red seal or stamp), you can change the Lighter/
Darker setting to send the fax darker than the original.
Chapter 13
158 Solve a problem
Solve a problem