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SF-RPP322-FAQ
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SF-RPP322-FAQ

2026-01-12

 

SF Express RPP322N-FAQ

 

 

1. RPP322N Quick Installation

1.1 RPP322N Quick Unpacking and Quick Installation Video


2. Button and Function Description

2.1 Button Instructions

2.2 Self-test page information


3. Common problems and their solutions
3.1 Printer paper feed abnormalities (white paper feed, incorrect paper tear position, etc.)
3.2 Printing errors (blank pages, unclear text, missing content, garbled characters, misalignment)
3.3 Unable to power on
3.4 Printer Malfunction Alarm
3.5 Bluetooth connection failed.
3.6 The printer is not printing.
3.7 Unable to charge
3.8 No button response


4. After-sales service and repair reporting methods

1. RPP322N Unboxing and Quick Installation Video

 

2. Button and Function Description 

2.1 Buttons and their descriptions

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20230820154904_43913.png20230820154911_91243.png 

 

 

Power on

Press and hold the printer power button for 3 seconds to turn on the printer.

Power off

When the printer is on, press and hold the power button for 3 seconds to turn it off.

Paper feed

A short press of the paper feed button feeds the paper about 10mm, while a long press feeds the entire sheet of paper.

Automatic sleep

When the printer is powered on10If there is no key press or data transmission within a few seconds, the printer will automatically enter sleep mode, and the screen will display as shown in the figure.

wake

When the printer is in sleep mode, press the power button., Set button, Paper feed buttonAlternatively, the printer can be woken up once it receives data.

Enter the settings interface (long press the settings button to enter the settings interface when not in sleep mode).

① Print self-test page ② Label type settings ③ Label learning ④ Print density settings ⑤ Print quality settings ⑥ Print speed settings ⑦ Buzzer settings ⑧ Paper feed switch settings ⑨ Paper feed with cover closed settings ⑩ Screen saver time settingsLanguage settings

Print self-test page

Press the paper feed button to print the self-test page.

Labels/Black Labels/Receipts

Set according to the paper type used

Tag learning

Press the paper feed button to start label learning.

(1) Successfully completed the learning! (2) Please study again!

0-4

Adjust the sharpness level within a small range (fine-tuning)

0-4

Set a wide range of sharpness (coarse adjustment).

0-4

Set print speed

switch

Set whether to turn on the buzzer.

switch

Set whether to enable paper feeding when the machine is on.

switch

Set whether to close the paper feed cover.

10/30/60/99s

Set screen saver time (rest)

Chinese/English

Setting language

 

 

2.2 Self-test page information description

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3. Common problems and their solutions

3.1 Printer paper feed abnormalities (white paper feed, incorrect paper tear position, etc.)

 

3.2 Printing errors (blank pages, unclear text, missing content, garbled characters, misalignment)

Problems

Possible reasons

Solution

Print blank

1. Paper is loaded backwards; 2. Non-thermal paper is being used; 3. Battery power is too low.

1. Please install the paper correctly and click.Install paperCheck for the correct installation method;

Unclear printing

1. Dirty printhead; 2. Low battery; 3. Paper problem.

1. Clean the print head with a lint-free cloth, then click...Clean the print head1. Check the video; 2. Replace the battery or recharge it; 3. Increase the printer's density and print quality.

Missing print content

1. Dirty printhead; 2. Damaged printhead; 3. Software settings issue.

1. Clean the print head with a lint-free cloth, then click...Clean the print head1. View the video; 2. Please contact after-sales service to replace the printhead. Click here for repair methods.After-sales information3. Please check the software settings.

Garbled characters in printing

1. Software settings error; 2. Printer character set error; 3. Printer command error.

1. Check software settings; the default printing command is CPCL. 2. 3. Use a tool to restore factory settings.Factory resetView video;

Print offset

1. The paper size set in the software does not match the actual paper size. 2. The paper is not loaded correctly.

1. Please check if the paper size settings in the software match the paper roll size in the printer. 2. You need to use a limit block to secure the paper roll. Click...Installation of different paper sizesView video;


3.2.1 Correctly install the paper

 20230820160535_89088.png

3.2.2 Video on cleaning the printhead

 

3.2.3 Factory Reset Video

 

3.2.4 Installation video for different paper sizes

 

3.3 Printer fails to power on

Problems

Possible reasons

Solution

The screen is not lit, but other functions are normal.

1. Screen damage; 2. Battery power too low.

1. Please contact after-sales service to replace the printhead. Repair methodAfter-sales informationCheck2. Please replace the battery or recharge it;

The printer is not responding at all.

1. Battery power is too low; 2. Printer is damaged.

1. Please replace the battery or recharge it; 2. Please contact after-sales service to replace the printhead. Repair method:After-sales informationCheck;

 

3.4 Printing error alarm

LCD screen display

Solution

Please fill the printer paper.

Replace with a new paper roll.

Please close the paper tray lid.

Close the paper tray cover.

No sewing label detected

① Install label paper or express waybill paper; ② Relearn the label, click [link].Tag learningWatch the video.

Low battery, please charge.

① Please check the battery level; ② Check if the battery is malfunctioning.

Please relearn.

After reinstalling the paper and confirming correct installation, re-learn the label. Click [link/click].Tag learningWatch the video.

printer overheating

Turn off the printer and let it sit for a while before using it.

 

3.5 Bluetooth connection failed.

As shown in the image below, the printer's Bluetooth name is displayed on the LCD screen, and the default password is [password information missing].0000For detailed connection instructions, please refer to the video below:

Note: If the connection still fails after reconnecting, you need to delete all devices in the "Device Management" section of the software.

 20230820161958_98681.png

 

3.6 The printer is not printing.

Problems

Possible reasons

Solution

The self-test page can be printed.

Software settings issue

Please check your software settings.

The self-test page also cannot be printed.

1. Battery power is too low; 2. Printer is damaged.

1. Please replace the battery or recharge it; 2. Please contact after-sales service to replace the printhead. Repair method:After-sales informationCheck;

To print a self-test page: ① Press and hold the printer settings button to enter the settings menu; ② Select "Print Self-Test Page"; ③ Press the paper feed button once, and the printer will print the self-test page. ClickVideo of printing self-test pageJump to;

 

3.7 Unable to charge

Problems

Possible reasons

Solution

Unable to charge

1. The battery contacts are dirty. 2. One of the following is damaged: battery, USB cable, or printer.

1. Please clean the battery. For your safety, please wear insulated gloves during operation. 2. Replace parts or check the printer for abnormalities. Repair methods:After-sales informationCheck;

 

3.8 No button response

Problems

Possible reasons

Solution

One or all of the printer's buttons are unresponsive.

1. Printer program stuck; 2. Keypad damaged.

1. Use the tool to restore factory settings, click...Factory reset1. View video; 2. Needs to be sent back for repair, repair methodAfter-sales informationCheck;

 

4. After-sales service and warranty methods

4.1After-sales service hotline: If the equipment malfunction cannot be resolved using the above methods, please call the after-sales service hotline for consultation.400-800-0596。。。。

 

4.2Equipment repair by mail: If the problem cannot be resolved online or the hardware is damaged, the person responsible for the equipment can contact Fengsheng.To report a repair request from Fengyuan (New Materials E+ → My → Asset Repair → Select the asset to be repaired → Click "Report Repair"), the system will automatically issue a call approximately 5 minutes after successful submission. The equipment can then be shipped out. The repair status can be viewed in the asset repair processing interface.

 

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