Intermec PM4i PM4i Mid-Range Printer User's Manual - Page 125

Replacing the Printhead

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Chapter 4 - Troubleshooting and Maintaining the Printer Replacing the Printhead The printhead is subject to wear both from the direct thermal media or ribbon and from the rapid heating and cooling process during printing. So, you need to periodically replace the printhead. How often you need to replace the printhead depends factors such as the print images, the type of direct thermal media or ribbon in use, the amount of energy to the printhead, the print speed, and the ambient temperature. You must turn off the power before replacing the printhead. The firmware can only detect the new printhead when the printer is restarted. To replace the printhead 1 Open the front door and media cover. Media cover Front door PM4i Mid-Range Printer User's Manual 111

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Chapter 4 — Troubleshooting and Maintaining the Printer
PM4i Mid-Range Printer User’s Manual
111
Replacing the Printhead
The printhead is subject to wear both from the direct thermal media
or ribbon and from the rapid heating and cooling process during
printing. So, you need to periodically replace the printhead.
How often you need to replace the printhead depends factors such as
the print images, the type of direct thermal media or ribbon in use,
the amount of energy to the printhead, the print speed, and the
ambient temperature.
You must turn off the power before replacing the printhead. The
firmware can only detect the new printhead when the printer is
restarted.
To replace the printhead
1
Open the front door and media cover.
Front door
Media cover