
TECH F21 Mini Printer

Specifications
- Tshuab luam ntawv: Thermal printing (inkless)
- Hom luam ntawv: Dub & dawb
- Hom ntawv: Thermal ntawv yob
- Ntawv dav: 57 XNUMXmm
- Kev daws teeb meem luam tawm: 203 DPI
- Luam Ntawv Ceev: Approx. 10–15 mm/s
- Kev sib txuas: Bluetooth
- Compatible Devices: Android, iOS
- Txhawb Apps: Dedicated mobile printing app (varies by region)
- Hom roj teeb: Rechargeable lithium roj teeb
- Roj teeb muaj peev xwm: ~ 1000 mAh
- Txoj kev them nyiaj: USB (Type-C or Micro-USB, model dependent)
- Kev Ua Haujlwm Voltage: 5V
- Khoom siv: ABS yas
- Loj: Compact / portable
- Qhov hnyav: Lightweight (approx. 150–200 g)
- Supported Printing: Text, images, labels, QR codes, barcodes
Kev daws teeb meem
Lub tshuab luam ntawv tsis qhib
- Xyuas kom lub roj teeb raug them.
- Sim lwm USB cable los yog lub zog hluav taws xob.
- Press and hold the power button for 3–5 seconds.
Bluetooth tsis txuas
- Turn Bluetooth OFF and ON again on your phone.
- Ensure the printer is not connected to another device.
- Reinstall or update the printer app.
- Keep the printer within 1–2 meters during pairing.
Blank or unclear printing
- Check that thermal paper is loaded correctly (print side facing out).
- Use compatible thermal paper only.
- Clean the print head gently.
- Ensure battery level is sufficient.
Paper not feeding properly
- Reinstall the paper roll correctly.
- Avoid overloading the paper compartment.
- Remove jammed paper carefully.
App tsis teb
- Kaw thiab rov qhib lub app.
- Check app permissions (Bluetooth, storage).
- Pib dua koj lub xov tooj.
Kev tu thiab tu
- Siv only recommended thermal paper to avoid print head damage.
- Keep the printer dry and away from heat or direct sunlight.
- Clean the print head periodically with a soft, dry cloth.
- Do not pull paper forcefully while printing.
- Charge the battery at least once every 2–3 months if not in use.
- Avoid dropping or applying pressure to the device.
- Store in a dust-free environment when not in use.
Khoom Taw Qhia
1.1 Packing List
O The quantity and specifications of the paper roll(s) are tailored to the package you’ve chosen.
1.2 Cov Lus Qhia Txog Lub Tshuab Luam Ntawv
Pib pib
2.1 Download tau lub App
Nrhiav rau the “FaithTag” app on App Store@ or Google PlayTM for download and installation.
2.2 Tus Neeg Siv Qhia
O Before starting printing, please ensure that the paper roll is properly loaded into the paper compartment. For detailed instructions, refer to the manual section “3. Replacing the Paper Roll.”
Txhawm rau qhib lub tshuab luam ntawv, nias lub hwj huam khawm ntev li peb vib nas this kom txog rau thaum lub teeb pom kev zoo.
Open the “FaithTag”APP. 
Muab kev tso cai.
Click [Connect] on the top.
Connection complete. Tap the homepage to view scriptures.
View scripture details, then tap print.
Access preview, then tap [Print].
Kev luam ntawv tiav lawm.
Tshem tawm daim ntawv lo raws Daim Ntawv Tawm.
Tshem tawm cov thaub qab.
Muab daim ntawv lo rau ntawm qhov chaw qhuav, tiaj tus.
Lub software interface yog rau siv xwb. Thov xa mus rau nplooj ntawv ua haujlwm tiag tiag rau cov ntaub ntawv raug.
Hloov Daim Ntawv Yob
Tshem tawm ib daim ntawv yob tshiab.
O Please skip this step if the paper roll you have is not newly purchased and boxed.
Push the Cover Open Button towards the arrow to take out the Paper RollSpindle.
Rub movable damper to remove the paper roll to be replaced.
Some paper rolls include tubes. Remove the paper tube after running out.
Ntxig ib ntu ntawm lub spindle rau hauv daim ntawv yob yuav tsum tau ntsia.
Reinstall Movable Damper thiab thawb nws mus rau ntawm ntug ntawm daim ntawv yob.
Tshem cov Anti-loosening Sticker los ntawm daim ntawv yob.
Muab daim ntawv yob rau hauv Daim Ntawv Tso Cai.
Rub daim ntawv yob tawm kom txog thaum nws txuas ntxiv dhau ntawm Daim Ntawv Tso Tawm, thiab tom qab ntawd kaw lub Flip Cover.
Cov lus qhia kev nyab xeeb
5.1 Phau ntawv Cutter thiab Print Head Instructions
Warning: Sharp edges on Manual Cutter! Do not touch the edges.
Warning: HOT component! Touching it when it is hot can cause burns to your fingers. Please wait for at least 30 minutes after turning off the power before touching it.
5.2 Cov lus qhia them nqi
1. Please prepare your own power adapter (DC 5V/2A) with a Type-A port.
2. Insert the Type-C end (flat end) of the USB cable into F21’s Type-C Charger Port and plug the Type-A end (wide end) into the Type-A port of the power adapter.
3. After connecting and plugging in, please check the status of the printer indicator light. When the printer is charging, the indicator light will be flashing slowly with a “white light”.
4. Please charge for at least 20 minutes to meet quick usage; charging for 2-3 hours will complete the charging, or the following two states indicate full charge:when turned on, the indicator light stays “white”; when turned off, the light goes out.
5. As the printer may heat up during charging, avoid placing it on materials such as cotton or linen.
6. Once the battery is fully charged, please unplug the charger promptly.
O Avoid using the printer while charging.Using the printer while charging may lead to reduced charging speed, compromised print quality, and shortened battery life.
5.3 Kev tu thiab tu
O Please make sure the printer is turned off before performing any cleaning or maintenance.
Yog tias koj ntsib teeb meem xws li cov kab dawb, tsis pom kev luam tawm, lossis cov cim uas ploj lawm, nws yuav tshwm sim los ntawm cov av ntawm Lub Taub Hau Luam Ntawv. Thov ua raws li cov kauj ruam no:
If you have just finished printing, wait for at least 30 minutes for the Print
01 Head to cool down completely. Use a cotton swab dipped in alcohol or a print head cleaning pen (purchased
02 separately) to gently wipe the surface of the Print Head about 5 times to remove any dust and stains. Wait 5-10 minutes for the alcohol to evaporate completely. Thus, the cleaning
03 is done, and you can continue using the printer.
Cov ntaub ntawv rau tus neeg siv
6.1 FCC CEEB TOOM
Cov cuab yeej no ua raws li Tshooj 15 ntawm FCC Cov Cai.
Operation is subject to the ollowing two conditions:
(1) cov cuab yeej no yuav tsis ua teeb meem cuam tshuam, thiab
(2) cov cuab yeej no yuav tsum lees txais txhua qhov cuam tshuam tau txais, suav nrog kev cuam tshuam uas yuav ua rau tsis xav ua haujlwm.
Ib qho kev hloov pauv lossis kev hloov kho uas tsis tau pom zoo los ntawm tog neeg lub luag haujlwm rau kev ua raws cai tuaj yeem ua rau tus neeg siv txoj cai ua haujlwm ntawm cov khoom siv.
Note: This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment. This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in accordance with the instruction manual, may cause harmful interference to radio communications. Operation of this equipment in a residential area is likely tocause harmful interference in which case the user will be required to correct the interference at his own expense.
Cov cuab yeej tau raug soj ntsuam kom ua tau raws li cov lus qhia raug RF.
Cov cuab yeej siv tau rau hauv qhov chaw kis tau yooj yim yam tsis muaj kev txwv.
6.2 TSEEM CEEB (Canada)
- Lus Askiv:
This device contains licence-exempt that comply with Innovation, Science and Economic Development Canada’ s licence-exempt RSS(s).
Kev ua haujlwm yog ua raws li ob yam hauv qab no:
(1) Cov cuab yeej no yuav tsis cuam tshuam.
(2) Cov cuab yeej no yuav tsum lees txais kev cuam tshuam, suav nrog kev cuam tshuam uas tuaj yeem ua rau lub cuab yeej tsis xav tau ua haujlwm.
IC RF cov lus qhia:
Cov cuab yeej tau raug soj ntsuam kom ua tau raws li qhov xav tau ntawm IC RF raug. Cov cuab yeej siv tau rau hauv qhov chaw kis tau yooj yim yam tsis muaj kev txwv.
WARNING Please pay attention to electrical safety. Do not disassemble, crush or puncture the battery. This product is not a toy.
Cov Lus Cim Tshwj Xeeb
Lub tuam txhab muaj lub luag haujlwm tag nrho rau kev kho dua thiab piav qhia ntawm phau ntawv no, siv kev mob siab tshaj plaws los lav nws qhov tseeb.
Nevertheless, 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 serve solely as illustrations and references. Due to product updates and upgrades, theactual product may vary slightly from the images. Please refer to the physical product for accurate representations.
Cov ntaub ntawv / Cov ntaub ntawv
![]() | F21 Mini Printer |
Cov ntaub ntawv
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