What does 'Replace Battery!' mean on my Brother P-Touch PT-E300?
- WWilliam LewisAug 31, 2025
If your Brother Label Maker displays 'Replace Battery!', it means the installed batteries are about to run out.

What does 'Replace Battery!' mean on my Brother P-Touch PT-E300?
If your Brother Label Maker displays 'Replace Battery!', it means the installed batteries are about to run out.
Why does my Brother Label Maker say 'Tape Width Limit! Max 3 Lines'?
The message 'Tape Width Limit! Max 3 Lines' on your Brother Label Maker means that you are trying to print more than three lines of text while using 0.47" (12mm) tape. Limit the number of lines to three, or replace with a larger width tape cassette.
Why does my Brother Label Maker say 'Low Battery!'?
The Brother Label Maker displays 'Low Battery!' when the installed batteries are getting weak.
What does 'Memory Full!' mean on my Brother P-Touch PT-E300 Label Maker?
This means the memory is full. Delete any unnecessary files to free up space for the new label file.
How to change the language on a Brother P-Touch PT-E300 Label Maker?
Select your desired language using the “Setting Language and Unit” option.
What does 'Installed tape is not compatible with this machine!' mean on my Brother Label Maker?
You need to use compatible tape.
What does 'Cassette Type Does Not Match. Continue?' mean on my Brother P-Touch PT-E300 Label Maker?
For example, a Heat Shrink Tube cartridge is detected, but Heat Shrink Tube mode is not selected, or Heat Shrink Tube mode is selected, but the Heat Shrink Tube cartridge is not inserted into the P-touch labelling system.
What to do if the label is not printed after pressing the Print key on my Brother Label Maker?
First, ensure that you have entered text and that the tape cassette is correctly installed with sufficient tape remaining. If the tape is bent, cut off the bent section and thread the tape through the tape exit slot. If the tape is jammed, remove the tape cassette, pull out the jammed tape, and cut it. Make sure the end of the tape passes through the tape guide before reinstalling the cassette.
How to fix if my Brother P-Touch PT-E300 is not printing correctly?
If your Brother Label Maker is not printing the label correctly: Remove the tape cassette and reinstall it, pressing it firmly until it clicks into place. If the print head is dirty, clean it with a cotton swab or optional print head cleaning cassette (TZe-CL4).
Why is the display blank on my Brother P-Touch PT-E300 after turning it on?
If the display remains blank after turning on your Brother Label Maker, check that the batteries are correctly installed and that the AC adapter is correctly connected. Also, check that the rechargeable Li-ion battery is fully charged.
| Model | PT-E300 |
|---|---|
| Category | Label Maker |
| Print Technology | Thermal Transfer |
| Display | LCD |
| Tape Type | TZe |
| Keyboard | QWERTY |
| Print Resolution | 180 dpi |
| Cutter | Manual |
| Tape Sizes | 3.5mm, 6mm, 9mm, 12mm |
| Power | 6 x AA Batteries or AC Adapter |
| Labeling Applications | Cable |
| Max. Label Length | 1 m |
| Power Supply | AC Adapter or Batteries |
FCC compliance statement for Class B digital devices to prevent harmful interference in residential installations.
Provides contact details and support options for Brother products, including customer service and web resources.
Important safety notes and symbols for preventing injury and damage to the user and equipment.
General precautions for using the rechargeable Li-ion battery and the labeling system itself.
Explanation of symbols used throughout the manual to indicate additional information or warnings.
A guide on how to create a label with the P-touch labeling system, covering basic steps.
Lists all items included in the P-touch labeling system package for user verification.
Identifies and describes the main parts and features of the P-touch labeling system.
Details the icons, indicators, and keys of the LCD display and the labeling system keyboard.
Instructions for connecting the AC adapter, installing batteries, and charging the Li-ion battery.
Step-by-step instructions on how to correctly insert a tape cassette into the system.
How to turn the labeling system on and off, and how to use the tape feed function.
Instructions on how to adjust the LCD contrast and turn the backlight on or off.
How to change the display language and select measurement units (inch/mm).
Explains how to select different labeling application types for specific label creation needs.
Guide on creating labels with one-dimensional bar codes for asset control and other uses.
Instructions for typing, editing, moving cursor, inserting, and deleting text on a label.
How to insert symbols and accented characters from various categories using functions or keyboard.
How to set font, size, width, style, frames, and auto-fit options for text.
How to specify tape feed and cut margins, and select tape feeding methods.
How to preview labels and print single pages, ranges, or multiple copies.
Steps for peeling the backing and firmly attaching the printed label to a surface.
How to save created labels to memory and recall them for later use.
How to print stored labels and remove them from the device's memory.
How to reset the system's internal memory to initial settings to clear data or resolve issues.
Procedures for cleaning the unit, print head, and tape cutter for optimal performance.
Addresses common issues like system lock-ups, blank displays, and printing problems with solutions.
Lists specific error messages displayed by the system and guidance on how to resolve them.
Details technical specifications of the P-touch labeling system's main unit, including display and power.
Lists selectable symbols, accented characters, and character formatting options.
Details available frames that can be applied to labels and settings for creating bar codes.
Lists special characters available for different bar code protocols.












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