Font Sharpening
This allows a user to set a text point-size value below which the high‑frequency screens will be used when
printing font data.
Available options:
• O
• On
USB Speed
This setting is used to set the throughput of the USB port on the printer.
Available options:
• Auto
• Full—Forces the USB port to run at full speed and also disables its high‑speed capabilities.
USB PnP
In some cases, the USB port at the back of the printer may be incompatible with the chipset in a user’s PC. This
setting lets the user change the USB driver mode to improve its compatibility with these PCs.
Available options:
• 1
• 2
Exit Config Menu
Select this to exit the Configuration menu. The printer performs a POR and restarts into normal mode.
Entering Invalid engine mode
This mode is used if the printer has an invalid code and needs the correct code loaded. After entering this
mode, the firmware code can be updated.
1 Turn o the printer.
2 Press and hold the Back button and .
3 Turn on the printer.
4 Release the buttons when a line of dots appears.
Entering Recovery mode
This mode will allow the printer to boot from a secondary set of instructions to allow a code flash to the printer.
Code can be flashed from a PC using a USB connection.
1 Turn o the printer.
2 Press and hold the Back button and OK.
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Service menus
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