# POS (Point of Sale) - Processing Sales
Learn how to process sales quickly and efficiently at the Point of Sale.
# What You Can Do Here
- Process sales transactions
- Accept multiple payment methods
- Apply discounts
- Select customers
- Print receipts
- Handle barcode scanning
# Prerequisites
Before processing sales:
- ✅ Register is open - You must have an active cash session
- ✅ Branch/Register selected - Top bar shows your branch and register
- ✅ Products added - At least one product exists in your catalog
# Step-by-Step: Processing a Sale
# Step 1: Open POS
- Click POS in the sidebar (shopping cart icon)
- The POS screen will open
(Screenshot: POS screen with product grid and cart)
# Step 2: Find Products
You can add products in three ways:
# Option A: Search by Name
- Type product name in the search box at the top
- Products matching your search will appear
- Click on a product to add it to cart
# Option B: Browse Products
- If search is empty, all products are shown in a grid
- Scroll or browse through products
- Click on a product to add it to cart
# Option C: Scan Barcode
- Click the barcode icon or focus on barcode input field
- Scan product barcode with barcode scanner
- Product is automatically added to cart
# Step 3: Add Products to Cart
- Click on a product to add it (quantity = 1)
- Click again to increase quantity
- Or click on cart item to adjust quantity manually
Cart shows:
- Product name
- Quantity
- Unit price
- Subtotal
# Step 4: Adjust Cart Items
# Change Quantity
- Click on item in cart
- Enter new quantity
- Press Enter or click outside
# Remove Item
- Click on item in cart
- Click "Remove" or "X" button
- Item is removed from cart
# Apply Item Discount
- Click on item in cart
- Enter discount:
- Fixed amount (e.g., $2.00 off)
- Percentage (e.g., 10% off)
- Discount is applied automatically
# Step 5: Select Customer (Optional)
- Click "Select Customer" button
- Search for customer by name or phone
- Click on customer to select
- Customer name appears in cart
Benefits of selecting customer:
- Customer purchase history tracked
- Can apply customer-specific discounts
- Invoice sent to customer email
# Step 6: Apply Order Discount (Optional)
- Look for "Order Discount" field
- Enter discount:
- Amount: Fixed discount (e.g., $5.00)
- Percentage: Percentage discount (e.g., 10%)
- Discount is applied to total
# Step 7: Review Totals
Before checkout, review:
- Subtotal: Sum of all items
- Tax: Tax amount (if applicable)
- Discount: Total discounts applied
- Total: Final amount to pay
# Step 8: Process Payment
- Click "Checkout" or "Process Payment" button
- Payment modal opens
# Select Payment Method
Choose payment method:
- Cash: Physical cash payment
- Card: Credit/debit card
- Bank Transfer: Bank transfer
- Mobile Payment: Mobile payment apps
- Credit: Customer credit (if enabled)
# Enter Payment Amount
- Total amount is pre-filled
- For Cash payments:
- Enter amount received from customer
- Change is calculated automatically
- For other methods:
- Amount is the total (no change needed)
# Complete Payment
- Review payment details
- Click "Complete Sale" or "Process Payment"
- Sale is processed and saved
# Step 9: View/Print Receipt
After payment:
Receipt/Invoice is displayed automatically
Options available:
- Print: Print receipt (if printer connected)
- Download PDF: Download receipt as PDF
- Email: Send receipt to customer (if email configured)
- Done: Close and start new sale
Click "Done" to return to POS for next sale
# Common POS Operations
# Void/Cancel Sale
Before payment:
- Simply clear the cart or remove all items
After payment:
- Go to Sales page
- Find the sale
- Process a return (see Returns guide)
# Hold Sale
Some POS systems allow holding sales:
- Look for "Hold" button
- Sale is saved for later
- Retrieve from "Held Sales" menu
# Split Payment
If customer pays with multiple methods:
- Process first payment method
- Remaining balance appears
- Select second payment method
- Complete remaining amount
# Tips & Common Mistakes
# ✅ Do's
- Always verify total before processing payment
- Check product prices if they seem wrong
- Select customer for better tracking
- Print receipt for customer records
- Count cash before opening register
# ❌ Don'ts
- Don't process sale without opening register - will fail
- Don't forget to apply discounts before checkout
- Don't skip customer selection if you have customer records
- Don't close register during business hours
# Common Issues & Solutions
# Product Out of Stock
Issue: Product shows "Out of Stock" or can't be added
Solutions:
- Check stock quantity: Go to Products, verify stock
- Add stock: Update product stock quantity
- Disable stock tracking: If not using inventory, disable stock check
- Use different warehouse: Select warehouse with stock
# Price Mismatch
Issue: Product price seems incorrect
Solutions:
- Check product price: Go to Products, verify price
- Check for discounts: Verify no automatic discounts applied
- Update price: Edit product if price is wrong
- Apply manual discount: Override price with discount if needed
# Printer Not Working
Issue: Receipt won't print
Solutions:
- Check printer connection: Verify printer is connected and on
- Check browser settings: Allow pop-ups for printing
- Use print preview: Check if print dialog opens
- Download PDF instead: Use "Download PDF" option
- Check printer settings: Verify correct printer is selected
# Barcode Scanner Not Working
Issue: Barcode scanner doesn't add products
Solutions:
- Focus on barcode field: Click in barcode input field
- Check scanner connection: Verify scanner is connected
- Test scanner: Scan a barcode in notepad to test
- Check barcode format: Ensure product has barcode set
- Use manual search: Type product name instead
# Register Not Open
Issue: Can't process sale, "Register not open" error
Solutions:
- Open register: Click "Open Register" in top bar
- Enter opening cash: Enter starting cash amount
- Select branch/register: Ensure branch and register are selected
- Contact administrator: If you don't have branch/register assigned
# How to Confirm It Worked
# Verify Sale Processed
- ✅ Receipt displayed after payment
- ✅ Cart cleared automatically
- ✅ Sale appears in Sales list: Go to Sales page, see your sale
- ✅ Stock updated (if tracking inventory): Check product stock decreased
# Verify Payment Recorded
- Go to Sales page
- Find your sale
- Click to view details
- Verify:
- Payment method is correct
- Amount is correct
- Customer is linked (if selected)
Next: Learn about Products Management or Inventory & Stock.