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HP LaserJet Pro MFP M128fw
Service Mode. Check the hardware setup
- Several possible fixes are available. After each recommended action, retry faxing to see if the problem is resolved.
- For best results during fax problem solving, make sure the line from the product is connected directly to the wall phone port. Disconnect all other devices that are connected to the product.
- Verify that the telephone cord is connected to the correct port on the back of the product.
- Check the phone line by using the fax test:
| LCD control panel |
Touchscreen control panel |
1. On the product control panel, press the Setup button.
2. Select Service, and then select Run Fax Test. The product prints a fax test report. |
1. From the Home screen on the product control panel, touch the Setup button.
2. Select Service, and then select Fax Service.
3. Select Run Fax Test. The product prints a fax test report. |
The report contains the following possible results:
• Pass: The report contains all of the current fax settings for review.
• Fail: The report indicates the nature of the error and contains suggestions for how to resolve the issue.
- Verify that the product firmware is current:
a. Go to www.hp.com/support.
b. Click Drivers & Software, type your product number in the window, and then click Search. If necessary, click your model in a list of similar products. The Software & Driver Downloads page opens.
c. Select your operating system from the drop-down menu, and then click Next.
d. Click the plus sign next to Firmware, and then click HP LaserJet Firmware Update Utility.
e. Click Download.
f. When the download is complete, follow the on-screen instructions to install and run the utility. The utility checks for firmware updates for your HP product. If updates are found, the utility installs the available update.
g. When firmware updates are complete, try to resend the fax.
- Verify that the fax was set up when the product software was installed. From the computer, in the HP program folder, run the Fax Setup Utility.
- Verify that the telephone service supports analog fax.
NOTE: HP products are designed specifically for use with analog phone services.
• If using ISDN or digital PBX, contact your service provider for information about configuring to an analog fax line.
• If using a VoIP service, change the Fax Speed to Slow(V.29) from the control panel. Ask if your service provider supports fax and for the recommended fax modem speed. Some companies might require an adapter.
• If you are using a DSL service, make sure that a filter is included on the phone-line connection to the product. Contact the DSL service provider, or purchase a DSL filter if you do not have one. If a DSL filter is installed, try another filter because filters can be defective.
- If the error persists, find more detailed problem-solving solutions in the sections that follow this one.