ZD421T
Desktop Printer
1 Setup
zebra.com/setup
2 Remove Packing
3 Load Media
Quick Start Guide
3 Load Media (continued)
Scan the code to download and install Zebra Setup Utilities.
Open the printer and remove the packing.Slide the release latches to the front to unlock the cover. Unroll and discard the outer layer of the media roll.
4 Adjust Sensor
Spread the roll holders open and place the roll into the printer. Pull the end of the roll past the front edge of the printer.Verify the roll spins easily on the holder. Press the media under the guides. Align the sensor to the center of the roll for regular labels.
4 Adjust Sensor (continued)
5 Load Ribbon
Align the sensor to the edge of the roll for marked labels.
Push the right side of the spool onto the spring-loaded spindle. Place the left side of the spool onto the spindle aligning it with the notches. Pull the supply ribbon leader up and over the printhead and attach it to the
take-up spool.
Turn the ribbon take-up wheel to remove the slack and advance the ribbon.
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6 Close Printer
8 Connect USB 7 Connect Power 9 Power On
Push down on the front edge of the printer until it locks. Connect a USB cable to the printer, connect the other end to your computer. Press the power button.
9 Power On (continued)
A. Plug the power supply into the printer.
B. Plug the power cable into the power supply.
10 Smart Calibration
C. Plug the power cord into an appropriate receptacle.
D. The power supply lights green.
11 Print Conguration Report
Media Out
When the the printer is ready, the printer status light will turn green. Press and hold the Pause and Cancel buttons for two seconds to line up the
labels.
Support and Information
Need to design a label?
zebra.com/zebradesigner
Need to manage your printer?
zebra.com/ppme
View user documentation and
how-to videos.
zebra.com/zd421t-info
Contact Zebra about your printer.
zebra.com/contact
Press and hold the Feed and Cancel buttons for two seconds to print a
conguration report.
Cleaning
When the media runs out, the printer status and media status lights will turn
red.
Ribbon Out
Open the printer and discard the empty roll.
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zebra.com/printsecure
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supplies.
zebra.com/supplies
outside. Do not use a cleaning pen on the platen.
When the ribbon runs out, the printer status and ribbon status lights will turn
red.
Open the printer and discard the empty spools.Clean printhead with cleaning pen starting from the middle to sliding to the
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