How to handle common errors when using the device

How to Troubleshoot Common Printer Issues

Below are common printer issues encountered when using the POS system, along with steps to check and fix them.

1. POS Cannot Connect to the Printer / Printer Does Not Print

Try the following checks:

• Method 1: Verify the printer configuration in POS settings

• Method 2: Run a test print directly from the printer

• Method 3: Run a test print from the printer driver

• Method 4: Go to POS → Settings → Printer, then click Print to test printing

2. Printed Receipts Are Faint, Missing Information, or Misaligned

Try the following:

• Method 1:
  Go to POS → Settings → Printer and review the printer configuration

• Method 2:
  Go to POS → Settings → Printer & Template, select Microsoft Print to PDF, and print a test receipt

  • Check whether the PDF output is missing content or appears faint

• Method 3:
  Run a test print directly from the printer driver or printer hardware

3. Blank Receipts or Misaligned Printing

Perform the following checks:

• Method 1: Ensure the paper is loaded correctly (not upside down or reversed)

• Method 2: Run a test print from the printer driver

• Method 3: Print a test receipt to PDF and verify the layout

4. Paper Is Not Cut Correctly After Printing

Follow these steps to adjust the cutter settings:

1. Open Windows

2. Go to Printers & Scanners

3. Select the printer and click Manage

4. Choose Printer Properties → Device Settings

5. Under Cutter, select “Full Cut After Page”

5. Unable to Print on Mobile / Tablet (Test Print Also Fails)

Method 1: Check printer IP address

1. Open the botX Sales app on the tablet

2. Go to Settings

3. Verify that the printer IP address matches the POS IP/network

Method 2: Check if Firewall Port 42018 Is Open on the POS

1. On the POS computer, open:
   Windows Defender Firewall → Advanced Settings → Inbound Rules

2. Look for:
   botX Server Port (TCP) 42018

3. If the rule does not exist:

   • Restart the POS computer

   • Log in again

   • Recheck printing