Samsung SCX-4521NS cannot print, prompt "offline", how to solve?

Step 1. Restart the printer and computer

Symptom diagram:

 

 

 

Turn off the printer power, unplug the USB data cable, and then restart the computer. After the restart, connect the printer and the computer using the USB data cable and print the data again. In general, it will be normal, if the problem persists, proceed with the following operations.

Step 2. Restore "use online printer ".

The following operation takes Windows XP as an example. For Windows 7, click here to query the operation.

 

 

1. Click start in the lower left corner of the computer and select printer and fax ].

 

2. Find the printer icon for Samsung SCX-4650 4x21 S Series, right-click the icon, select use online printer, and the printer status is ready.