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Get help with PrintFlex

PrintFlex is in development and early access, so support is the founders reading their email. Write to us and a person who builds the app will reply.

Reply time
Within one business day
Hours
Mon–Fri, Phnom Penh time (UTC+7)
Last updated
21 September 2026

01What to include in a report

The more of this you send in the first email, the faster we can fix it:

  1. Your store URLFor example yourstore.myshopify.com, so we can find your install.
  2. The order numberOr numbers involved, exactly as Shopify shows them.
  3. Which documentInvoice, packing slip or pick list, and which template.
  4. Expected vs. what happenedA screenshot or the PDF itself helps a great deal.
  5. For scan mode problemsThe phone or scanner model and the browser you were using.

02Quick troubleshooting

The camera won't scan the QR code

Give it more light and hold the phone still about 15 cm from the page. If the handset is old or the browser has no camera barcode support, use a USB scanner on the Code 128 barcode instead, or type the order number into the field on the scan page.

The document looks wrong

Open the template in the app and check its toggles: prices, taxes, discounts, phone number, notes and HS codes can each be shown or hidden, and the live preview shows exactly what will print. Check the paper size (A4 or Letter) matches your printer.

An order is missing from the dashboard

Check the active filters first, then the order's fulfillment status in Shopify. A saved view that filters on "Unfulfilled" will hide orders that have since been fulfilled.

An order shows "Printed" but nobody printed it

Another staff member may have generated a document from a different batch. The status is shared across the whole store so the same order is not shipped twice.

The pack screen asks for a PIN

The PIN is set by the store owner in the app's Scan mode settings. Staff need to ask the owner; we cannot read or reset it by email without verifying the store.

Billing questions

All charges go through Shopify. Your Shopify invoice lists the PrintFlex plan, and you change or cancel the plan from inside the app or by uninstalling it.

03More answers and security

More answers

The FAQ on the main page covers the order meter, hardware, languages, data handling and what happens to generated PDFs.

Read the FAQ →

Reporting a security issue

If you believe you have found a security problem in PrintFlex, please email us with "Security" in the subject line rather than posting it publicly. We will acknowledge within one business day.

Report securely →
Email us team@mpctrades.com

We aim to reply within one business day, Monday to Friday, Phnom Penh time (UTC+7).

Premium and Unlimited stores get email support as part of the plan; Free stores are welcome to write too, and we answer as capacity allows.

Write to support →
PRINTFLEX

Bulk invoices, packing slips and pick lists for Shopify — with QR and barcode scan-to-pack built in. Made by MPC Trades in Phnom Penh.

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