Zebra QLn420 User's Guide download pdf (Page 42)

QLn Series User Guide

Verify the Printer Is Working

Before you connect the printer to your computer or portable data

terminal, make sure that the printer is in proper working order. You

can do this by printing a configuration label using the “two key” meth-

od. If you can’t get this label to print, refer to “Troubleshooting”.

Printing a Conguration Label

1. Turn the printer off. Load the media compartment with

journal media (media with no black bars printed on the

back)

2. Press and hold the Feed Button.

3. Press and release the Power button and keep the Feed

button pressed. When printing starts, release the Feed

button.

The unit will print a line of interlocking “x” characters to

ensure all elements of the print head are working, print out the

version of software loaded in the printer and then print the re-

port. Note that the report can also be printed from the Info

(Help) menu on the LCD.

The report indicates model, serial number, baud rate, and more

detailed information on the printer’s configuration and parameter set-

tings. (See the Troubleshooting Section for sample printouts and a fur-

ther discussion on how to use the configuration label as a diagnostic

tool.)

Connecting the Printer

The printer must establish communications with a host ter-

minal which sends the data to be printed. Communications

occur in four basic ways:

• QLn Series printers can communicate by cable via either

RS-232C or USB 2.0 protocols. USB drivers are included

in the Zebra Designer Driver which can be downloaded

from

www.zebra.com/drivers

• By means of a Bluetooth™ short range radio frequency link.

(Optional)

• By means of a wireless LAN (Local Area Network) per

802.11 specifications. (Optional)

• By means of the Ethernet when docked on the Ethernet cradle.

(Optional)

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Zebra QLn420 User's Guide Page 42