HP F4280 User Guide - Page 179
Two-way communication lost, button located on the product. If it is not lit, the product is
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Page 179 highlights
Troubleshooting Solution 2: Make sure the product is connected to the computer Solution: If the product is not properly connected to the computer, communication errors can occur. Try the following: For more information, see: "After setting up the product, it does not print" on page 81 Cause: The computer was not communicating with the product. Improper shutdown Solution: Press the On button located on the control panel of the product to turn the product on and off. Cause: The last time the product was used, it was not turned off properly. If the product is turned off by turning off the switch on a power strip or by using a wall switch, the product can be damaged. Two-way communication lost Try the following solutions to resolve the issue. Solutions are listed in order, with the most likely solution first. If the first solution does not solve the problem, continue trying the remaining solutions until the issue is resolved. • Solution 1: Make sure the product is turned on • Solution 2: Make sure the product is connected to the computer Solution 1: Make sure the product is turned on Solution: Look at the On button located on the product. If it is not lit, the product is turned off. Make sure the power cord is firmly connected to the product and plugged into a power outlet. Press the On button to turn on the product. Cause: The product was turned off. If this did not solve the issue, try the next solution. Errors 177