Quick Start Guide M150
This guide provides instructions for setting up and using the Print Master M150 label printer.
1. Product Introduction
1.1 Packing List
- Printer × 1
- Quick Start Guide × 1
- Type-C Cable × 1
- Paper Roll × n (e.g., 100-Pc 40*30 mm Paper Roll × 1)
Note: Quantity and size are tailored to your purchased package. The paper roll may be pre-installed in the printer.
1.2 Printer Parts Instruction
Key components of the printer include:
- Top Cover
- Paper Exit
- Indicator Light
- Reset Hole
- Dust Cover Plug
- Type-C Charger Port
- Power Button
- Manual Cutter
- Cover Open Lever
- Paper Guides
- Guide Lock
2. Getting Started
2.1 Downloading the App
Method 1: Search for the "Print Master" app on the [App Store logo] or [Google Play logo] to download and install it.
Method 2: Scan the [QR code for app download] to download the app.
2.2 User Guide
- Remove the protective film from the printer.
- Long press the [Power Button] for 3 seconds until the display lights up.
- Open the "Print Master" app.
- Tap [Auto Connect].
- Grant permissions. A [Permission Request] will appear, asking for Bluetooth connection. Tap [OK].
- Wait for the printer to be connected. The app will search for the printer.
- Once connected, edit your first label. Tap [Print icon] after finishing.
- Printing is completed.
- Tear off the label along the [Paper Exit].
- Remove the label liner.
- Attach the label to a dry, flat surface.
Notes:
- This step is required for first use.
- You can also find manual connection options on the [Home] screen. For more details, refer to Section 4: More Connection Methods.
- For more information about app permissions, see Section 6.2 Permission Description in the Online Guide.
3. Replacing the Paper Roll
- To turn on the printer, long press the [Power Button] for three seconds until the [Indicator Light] is on.
- Open the "Print Master" app.
- Take out the unused paper roll from the printer.
- Aim the scanning frame at the [QR code on paper roll] on the paper roll's Anti-loosening Sticker.
- The label size is identified.
- Press down the [Cover Open Lever] to open the [Top Cover].
- Remove the existing paper roll from the [Paper Compartment].
- Push the [Guide Lock] towards the [Power Button] until you hear a click to unlock the [Paper Guides].
- Slide the [Paper Guides] outwards as far as they can go.
- Remove the Anti-loosening Sticker from the new paper roll.
- Place the new paper roll in the [Paper Compartment].
- Slide the [Paper Guides] inwards to the edges of the paper roll.
- Push the [Guide Lock] towards the [Paper Compartment Cover] until you hear a click to lock the [Paper Guides].
- Extend the label paper out above the [Paper Outlet] and then close the [Top Cover].
- The [Paper Exit] will auto-calibrate the label and adjust the paper roll to the right position.
Notes:
- Be careful not to get cut by the [Manual Cutter].
- For boxed paper rolls purchased separately, refer to Section 4: Identifying Label Sizes in the Online Guide for instructions on how to quickly access the editing page.
- The QR code shown in the diagram is for demonstration only; please scan the actual QR code on your paper roll.
4. More Connection Methods
This section describes alternative connection methods, potentially including manual selection.
- Select your printer model (e.g., M110 Series, M120, M110, M200, M220, M221).
- Tap the [Connection icon] at the top right corner for connection.
- Wait for the printer to be connected.
- Connected.
5. Charging Instructions
- Prepare your own power adapter (DC 5V/2A) with a Type-A port.
- Insert the Type-C end of the USB cable into the printer's [Type-C Charger Port] and plug the Type-A end into the power adapter's Type-A port.
- Upon connecting the printer to an outlet, check the [Indicator Light]: a slow flashing white light indicates the printer is off, while a fast-flashing white light indicates it is on.
- To ensure quick usage, charge the printer for at least 20 minutes. For a complete charge, wait for 2-3 hours or until the [Indicator Light] is solid white.
- As the printer may heat up during charging, avoid placing it on materials such as cotton or linen while charging.
- Once the battery is fully charged, unplug it promptly.
Notes:
- Using the printer while charging will slow down the charging speed.
- To preserve battery life, it is not advisable to print while charging.
6. Accessing Detailed Online Guide
Find comprehensive information, video tutorials, and FAQs through the following methods:
- Method 1: Visit downloadapp.qu-in.top/Ph.
- Method 2: Scan the [QR code for online guide] on your paper roll.
7. FCC INFORMATION (U.S.A.)
This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions:
- This device may not cause harmful interference.
- This device must accept any interference received, including interference that may cause undesired operation.
NOTE 1: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:
- Reorient or relocate the receiving antenna.
- Increase the separation between the equipment and receiver.
- Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
- Consult the dealer or an experienced radio/TV technician for help.
NOTE 2: Any changes or modifications to this unit not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.
The device has been evaluated to meet general RF exposure requirement. The device can be used in portable exposure condition without restriction.
8. ISED NOTICE (Canada)
CAN ICES-003(B)/NMB-003(B)
"This device complies with Industry Canada’s license-exempt RSSs. Operation is subject to the following two conditions:
- This device may not cause interference; and
- This device must accept any interference, including interference that may cause undesired operation of the device."
Translation:
« Le présent appareil est conforme aux CNR d'Industrie Canada applicables aux appareils radio exempts de licence. L'exploitation est autorisée aux deux conditions suivantes : (1) l'appareil ne doit pas produire de brouillage, et (2) l'utilisateur de l'appareil doit accepter tout brouillage radioélectrique subi, même si le brouillage est susceptible d'en compromettre le fonctionnement. »
The device has been evaluated to meet general RF exposure requirement. The device can be used in portable exposure condition without restriction.
Translation: L’appareil a été évalué pour répondre aux exigences générales en matière d’exposition aux RF. L’appareil peut être utilisé en condition d’exposition portable sans restriction.
Special Notes
The company takes full responsibility for the revision and explanation of this manual, with utmost care taken to ensure its accuracy. However, please note that any technical improvements to the product may not be separately notified, and that the images of the product, accessories, software interfaces, etc. in this manual are for illustrative purposes and reference only. Due to product updates and upgrades, the actual product may be slightly different from the images. Please rely on the actual product for all details.

