Learn more about What You’ll Learn in this comprehensive guide.

Learn more about What’s Included in this comprehensive guide.

Sales

Printing and Sharing Invoices

Complete guide to printing receipts and sharing invoices. Learn about printer setup, invoice configuration, A4 PDF invoices, and thermal receipt printing.

On This Page

What You’ll Learn

By the end of this guide, you’ll be able to:

Set up and connect Bluetooth thermal printers
Configure invoice appearance and content
Print thermal receipts (58mm and 80mm)
Generate and share A4 PDF invoices
Customize receipt footer and branding

Invoice Types

Kelola provides two types of invoices for different use cases:

Type	Best For	Format	Sharing
Thermal Receipt	Quick customer receipts, retail POS	58mm or 80mm thermal paper	Bluetooth printer
A4 Invoice	Formal invoices, accounting records	A4 PDF	Share as PDF

Supported Printers

Thermal Receipt Printers

Kelola supports Bluetooth thermal printers that use ESC/POS commands:

Paper Sizes:

58mm (2 inches) - Compact receipts
80mm (3 inches) - Standard retail receipts

Printer Requirements:

Bluetooth connectivity
ESC/POS command support
Thermal printing technology

Recommended Printers:

Portable Bluetooth thermal printers
POS/cashier printers commonly used in restaurants and retail
Available on marketplaces starting from ~$15 USD

Note: USB and network (Wi-Fi/LAN) printers are not currently supported for mobile apps.

Connecting Your Printer

Step 1: Pair the Printer

Turn on your Bluetooth thermal printer
On your device, go to Settings → Bluetooth
Search for and pair with your printer
Ensure the printer appears in paired devices

Step 2: Grant Permissions

Kelola requires these permissions to print:

Bluetooth - To discover and connect to printers
Location - Required by Android for Bluetooth scanning
Storage - To process receipt images

Step 3: Print Your First Receipt

Open any completed Stock Out (Sales) transaction
Tap View Invoice
Select the Receipt (Struk) tab
Tap Print
Select your paired printer from the list
Choose paper size (58mm or 80mm)
The receipt will print automatically

Invoice Configuration

Customize how your receipts and invoices appear to customers.

Accessing Invoice Settings

Open any transaction’s invoice view
Tap Invoice Settings (Pengaturan Struk)
Adjust the options below
Tap Save

Configuration Options

Setting	Description	Default
Hide Customer Address	Remove customer address from receipt	Off
Hide Business Logo	Remove your business logo	Off
Hide Kelola Footer	Remove “Created by kelola.co” text	Off
Logo Position	Place logo at top or bottom	Bottom
Footer Text	Add custom message (max 200 chars)	Empty

Logo Position Options

Top Position:

Logo and business name appear at the top of the receipt
Professional look for formal receipts

Bottom Position (Default):

Logo appears after the transaction details
Common for retail POS receipts

“Thank you for your business!”
“Follow us on Instagram @yourbusiness”
“Returns accepted within 7 days with receipt”
Your business hours or contact info

Thermal Receipt Features

What’s Included

Header:

Business logo and name
Customer name
Transaction date and time
“RECEIPT” label

Item Details:

Product names (sorted alphabetically)
Quantity × Unit price
Line item totals

Financial Summary:

Subtotal
Surcharge (if any)
Discount (if any)
Total amount
Paid amount (if partial payment)
Remaining balance (if unpaid)

Footer:

Payment method
Staff name who processed the sale
Transaction notes
Custom footer text
Kelola branding (optional)

Paper Size Differences

Feature	58mm	80mm
Text size	Smaller	Standard
Product name width	Narrower	Wider
Best for	Compact spaces	Standard retail

A4 PDF Invoice

Generate professional A4 invoices for formal transactions or accounting records.

Features

Professional Layout:

Clean, structured A4 format
Invoice number and issue date
From/To party details
Itemized table with columns

Business Information:

Your business name and address
Business logo
Customer name and address

Financial Details:

Itemized product list with quantities
Unit prices and line totals
Subtotal, surcharge, discount
Final total
Payment status (paid/partial/unpaid)

Bank Details Section:

Bank name
Account number
Account holder name
Routing number / Sort code / BSB / IBAN
Currency information

Additional Features:

Notes section
Multi-language support (auto-detected)
RTL (Right-to-Left) support for Arabic
Multi-page for long invoices

Open the transaction’s invoice view
Select the Invoice (Faktur) tab
Wait for the PDF to generate
Tap Share
Choose your sharing method (WhatsApp, Email, etc.)

Note: A4 invoice generation requires an internet connection for font loading.

For quick sharing via messaging apps:

Open the receipt view
Tap Share
The receipt is captured as a PNG image
Select your sharing app

Best for:

WhatsApp/Telegram messages
Email attachments
Social media

For formal documentation:

Open the Invoice (Faktur) tab
Wait for PDF generation
Tap Share
PDF includes your business details and bank info

Best for:

Accounting records
Customer invoices
Tax documentation

Troubleshooting

Printer Not Found

Check:

Printer is powered on
Bluetooth is enabled on your device
Printer is paired in device settings
Location permission is granted (Android)

Solution:

Refresh the printer list
Re-pair the printer in device settings
Restart the Kelola app

Print Quality Issues

Faded text:

Check thermal paper quality
Ensure paper is loaded correctly
Clean printer head

Cut off text:

Select correct paper size (58mm vs 80mm)
Check paper width matches setting

Cannot Print

On Android:

Grant all requested permissions
Enable location services
Try selecting the printer again

On iOS:

Enable Bluetooth in Settings
Ensure printer supports iOS Bluetooth

A4 Invoice Won’t Generate

Check internet connection
Try reloading the tab
Contact support if fonts fail to load

Best Practices

For Retail Businesses

Use 80mm printers for standard retail receipts
Enable logo for brand recognition
Add custom footer with social media or thank you message
Print immediately after each sale

For Service Businesses

Use A4 invoices for formal billing
Fill in bank details for easy customer payments
Include notes for service descriptions
Share PDF via email for records

Receipt Management

Print duplicate receipts for high-value transactions
Share digital copies for customer records
Use invoice numbers for tracking (shown on A4)

FAQ

Q: Can I use a USB printer? A: Currently, only Bluetooth thermal printers are supported for mobile printing. Use the web version (web.kelola.co) for USB printer support.

Q: Can I print from the web version? A: Yes, the web version supports printing to any connected printer using your browser’s print function.

Q: How do I change the invoice number format? A: Invoice numbers are auto-generated. Contact support for custom formatting requests.

Q: Can I add my tax ID to invoices? A: Tax ID can be added to your business profile. It will appear on A4 invoices automatically.

Q: Why does printing require location permission? A: Android requires location permission for Bluetooth device discovery. Kelola does not track your location.

Q: Can I print in different languages? A: Receipts automatically use your app’s language setting. A4 invoices support multiple languages including Arabic (RTL), Thai, Chinese, and more.

Q: What if my printer isn’t listed? A: Ensure it’s paired in device Bluetooth settings first. If still not listed, your printer may not support the ESC/POS standard.