Zebra ZP 450 Label Printer: UPS Shipping Printer Guide

The Zebra ZP 450 label printer is a 4 inch, 203 dpi direct thermal desktop printer that Zebra built as a custom printer for UPS shipping software. If your team prints UPS shipping labels from WorldShip, UPS Internet Shipping or CampusShip, there is a good chance a ZP 450 already sits on the shipping desk, and a matching unit is the simplest way to replace or add one.

We list two ZP 450 part numbers, ZP450-0101-0000 and ZP450-0501-0006A, both refurbished. This guide explains what makes the ZP 450 different from a standard Zebra desktop printer, who it suits, which labels it uses, how the ZP450 driver and UPS setup work, what Zebra does and does not support, what to check on a refurbished unit, and how it compares with the GK420d and ZD420d we also list. For recorded values, jump to the ZP 450 specs table.

Products in our listing

Both ZP 450 part numbers we list are shown below.

ZebraZP450-0101-0000ZP450-0101-0000 - Zebra ZP 450 4-Inch 203dpi Direct Thermal Desktop Label PrinterIn stockView Details →

ZebraZP450-0501-0006AZP450-0501-0006A - Zebra ZP 450 4-Inch 203dpi Direct Thermal Desktop Label PrinterIn stockView Details →

Both ZP 450 units are refurbished and carry the 30-Day Tech Seller USA warranty. Browse the full Zebra printer range or all printers and scanners.

Zebra ZP 450 specs in our listing

Values below come from our product data. Both part numbers carry the same recorded values; where a value is not recorded it is shown as Not listed.

What the Zebra ZP 450 label printer is

On paper, the ZP 450 looks like many other Zebra 4 inch desktop printers: direct thermal, 203 dpi, a 4 inch print width and ZPL. The difference is who it was made for. Zebra's support page for the ZP450, checked on November 4, 2026, describes it as a custom UPS printer and says ZP450 UPS (ZPL) printers are designed and sold exclusively for use with UPS shipping applications.

That shapes everything else about the model. Software and driver support comes from UPS rather than Zebra, and the printer is set up to do one job very well: print 4 inch wide UPS shipping labels on direct thermal stock, with no ribbon to load. It is not a general purpose label printer in the way a GK420d or ZD420d is, and buyers should treat it as a UPS shipping station printer first.

Direct thermal printing suits shipping labels well, since a parcel label only needs to stay readable until delivery. Our direct thermal vs thermal transfer guide explains the trade off, and our shipping label compliance guide covers what carriers expect from a printed label.

Who the ZP 450 suits

Existing UPS shipping desks. The best fit is a business that already ships with UPS software on Windows and has a ZP 450 on the desk. A like for like Zebra ZP 450 label printer replacement keeps the same driver, the same label stock and the same operator routine, so a failed unit can be swapped with little downtime.

Multi-station shippers. Warehouses, fulfillment rooms and offices with several UPS stations often standardize on one printer model so spare units and label rolls work anywhere. Adding ZP 450 units keeps that standard, whether you need one printer or a dozen.

Who should look elsewhere. If you print labels for other carriers, product labels, inventory labels or anything that needs a ribbon, a general purpose Zebra desktop printer is a better choice, because Zebra limits its support for the ZP450 and its driver comes from UPS. A shipping desk that also uses FedEx software may also want to read our Zebra ZP506 FedEx label printer guide, which covers the ZP506 built for FedEx shipping software, and our guide to legacy Zebra LP, TLP and ZP desktop printers explains the wider family of older Zebra desktop models.

Labels and media for the ZP 450

Every ZP 450 we list is recorded as direct thermal with a 4 inch maximum print width, so it needs direct thermal labels and no ribbon. Standard 4 x 6 inch direct thermal shipping labels fit within that print width. Our data does not record a media width range or roll limits for the ZP 450, so if you plan to use an unusual label size, confirm it with us before ordering.

Practical media tips for a ZP 450:

• Use direct thermal labels only. Thermal transfer stock will not image on a direct thermal printer.
• Keep spare rolls away from heat and sunlight, since direct thermal stock darkens with heat.
• Run media calibration after changing roll size or label type, so the printer finds the gap between labels.
• Match the label size set in your shipping software to the stock in the printer, or the label will print offset or across two labels.

Our label media and ribbon selection guide explains label face stocks, adhesives and sizes in more depth.

ZP450 driver and UPS setup

The ZP450 driver is the point most buyers ask about. Zebra's support page states that Zebra does not provide software and driver support for the ZP450, because UPS provides that support directly, and its downloads list for the model is empty. UPS publishes a Windows thermal printer driver guide that covers Eltron and Zebra thermal printers. It tells users to install the UPS driver, states that the driver supplied with the printer will not work with UPS Internet Shipping or CampusShip, and says not to connect the printer until the installer asks for it.

The same UPS guide notes that ZP 450 printers are supplied with a USB printer cable and tells users to choose an available USB port during setup. Our product data does not record connectivity for either part number, so confirm the cable and port you need when you request a quote. Our printer connectivity guide explains USB and the other interface options found on Zebra desktop printers.

A practical ZP450 setup sequence:

1. Install the UPS thermal printer driver from UPS before connecting the printer.
2. Load direct thermal labels and run media calibration.
3. Connect the printer when the installer asks, and choose the USB port.
4. Print a Windows test page, then a test label from your UPS software.
5. Check that the label size in the software matches the stock in the printer.

Our data records ZPL and ZPL II for both part numbers. ZPL is Zebra's own label language, and Zebra's support page names this model a ZP450 UPS (ZPL) printer. Our ZPL vs ESC/POS command languages guide explains how ZPL differs from receipt printer languages.

Support status and firmware

Zebra's support page lists only three areas it supports for the ZP450: printing a Windows test page, standard calibration issues and standard hardware issues. Everything about the shipping software and driver goes to UPS. The page does not give discontinuation dates for the ZP450 and does not name a successor model, so we do not state a lifecycle date for it here.

The same page strongly advises against sending firmware to the ZP450 that is not specifically recommended for this model. In practice, that means you should not load standard Zebra desktop firmware onto a ZP 450 to turn it into a general purpose printer. If a shipping desk needs features the ZP 450 does not offer, choose a general purpose model instead. For everyday faults such as blank labels, skipped labels or calibration errors, our label printer troubleshooting guide walks through the usual causes.

Buying a refurbished ZP 450: what to check

Printhead. Print a test label on arrival and look for white lines running through text or barcodes, which show failed dots. A clean, sharp shipping barcode matters, because a carrier scan that fails can delay a parcel. Our printhead failure diagnosis and replacement guide explains what to look for.

Platen roller and sensor. A worn or dirty platen roller causes skew and light print, and a dirty gap sensor causes calibration errors and skipped labels. Our thermal printer maintenance guide covers safe cleaning.

Calibration and test page. Since Zebra supports the Windows test page and calibration for this model, both are good acceptance checks when a unit arrives.

Power and cable. Confirm the power supply and the cable you need are present before you take the old unit out of service.

Condition terms. Our refurbished hardware grading guide explains what refurbished means at Tech Seller USA.

ZP 450 vs GK420d and ZD420d

ZP 450 vs GK420d. The Zebra GK420d (GK42-202221-000) is a general purpose 4 inch direct thermal desktop printer. Our data records it at 203 dpi, up to 5 in/sec (127 mm/s), a 4.09 inch print width, 0.75 to 4.25 inch media width, 4MB Flash and 8MB SDRAM, ZPL II and EPL2, and USB and Ethernet. We also list a GK420d with USB, serial and parallel (GK42-202510-000). Choose a GK420d when one printer has to serve UPS and other software, or when you want Ethernet for shared printing. Our Zebra G-Series GC vs GK vs GX guide covers that range.

ZP 450 vs ZD420d. The Zebra ZD420d (ZD42042-D01000EZ) is a later ZD400 range direct thermal model. Our data records it at 203 dpi, up to 6 in/sec (152 mm/s), a 4 inch print width, 0.585 to 4.65 inch media width, 512MB Flash and 256MB SDRAM, ZPL II and EPL2, and USB. It is a strong general purpose choice for a busy shipping desk, while the Zebra ZP 450 label printer is the like for like option for an existing UPS station. Our Zebra ZD Series desktop printers guide explains the newer desktop range.

Both ZP 450 part numbers

Both ZP 450 part numbers carry the same recorded values in our data. If you are replacing a unit, match the part number on the label of the printer you have.

Common questions