DMP 250 (26-2886) Hex Dump Faxback Doc. # 4224 This feature lets you print the hexadecimal information the computer sends to the printer. You can use this feature as a diagnostic tool when you have problems with the computer or the software. Follow these steps to use the hex dump features. 1. Load 8.5-inch wide paper. 2. Press QUIET/SAVE while you set POWER. The display shows HEX DUMP, and the printer prints one line to indicate it is hex dump mode. 3. Send the print command from your computer. 4. Set POWER to OFF to end the hex dump mode.