The printing data is not corrupted, but the text is printed along oblique lines. How can I solve this problem?

If the printing is as shown below, follow the instructions described below.






1. Check the communication cable. (This happens only with Parallel interface.)

2. Check the following in case of Parallel interface.

2-1. Check the communication mode from My Computer -> Device Manager.
2-2. Reboot the PC (BIOS setup) and try each different communication mode of the printer port one-by-one. (ECP, SPP, EPP, etc.)