Most OEM companies think about documentation as a cost center. A compliance requirement. Something the engineering team produces before shipment and then largely forgets about. That's a mistake — and it's an increasingly expensive one.
Your documentation is the interface between your equipment and your customer's maintenance team. It determines how quickly they can get back online when something goes wrong, how many support tickets they generate, and how they feel about the experience of owning your equipment. Bad documentation is a hidden product quality problem.
What OEM Documentation Actually Covers
Good OEM documentation is a system, not a document. It includes:
- Installation manuals — commissioning procedures, site requirements, electrical specifications
- Operations manuals — normal operating procedures, operator HMI guides, startup and shutdown sequences
- Maintenance manuals — scheduled maintenance procedures, lubrication specs, wear part replacement guides
- Electrical documentation — wiring diagrams, panel layouts, I/O lists, drive configurations
- Spare parts lists — with OEM part numbers and preferred supplier alternatives
- Troubleshooting guides — fault codes, diagnostic trees, common failure modes and their resolutions
- Software documentation — PLC code comments, HMI navigation, parameter settings
Each of these documents needs to be specific to the actual equipment as delivered — not generic to the product line. A customer who bought your conveyor system with a specific VFD configuration shouldn't be reading a generic conveyor manual that references three different drive types and leaves them to figure out which one applies to their installation.
The Delivery Problem
Even when OEM documentation is technically complete and accurate, there's a delivery problem that undermines its value.
Documentation delivered as a USB drive, email attachment, or paper binder gets separated from the equipment almost immediately. The USB drive goes in a drawer. The email attachment is forwarded, saved to a server, and becomes one of 10,000 files with similar names. The binder gets wet, torn, or filed in a location nobody remembers three years later.
The result: a customer is troubleshooting a fault at 2 AM, standing next to the machine, and the documentation is either physically absent or practically inaccessible. They call your support line. You open a ticket. An engineer spends 30 minutes helping them find information that was in the manual they received at installation.
Documentation that isn't accessible at the moment it's needed might as well not exist. Delivery format is as important as content.
The QR Code Approach: Documentation That Lives with the Equipment
The most effective solution to the delivery problem is physically linking documentation to equipment through QR codes on the nameplate or cabinet label.
Here's how this changes the dynamic:
- The QR code is on the machine. The documentation is, functionally, on the machine — always.
- A customer's maintenance tech who has never seen this specific equipment model can scan the code and immediately have access to the right documentation for the exact machine in front of them.
- When you update documentation — issue a safety revision, correct an error, release an improved procedure — the QR code automatically serves the new version. Every customer with that equipment gets the update without any action required on their end.
- You can see, in aggregate, which documents are being accessed most frequently — a direct window into where your customers are struggling and where your documentation should be strengthened.
Version Control and Document Governance
One of the most insidious documentation problems is version drift: customers are running different versions of your documentation, some of which are wrong, outdated, or for a different configuration than what they have installed.
A QR-linked documentation system eliminates this problem structurally. There's always exactly one version of each document accessible through a given QR code: the current one. The history of previous versions can be maintained internally, but the customer always sees the latest.
This requires discipline on the OEM side — you need a clear process for when documents get updated, who approves updates, and how updates are communicated to the field. But the process is substantially simpler than managing physical document distribution or ensuring customers update their own file systems.
The Support Ticket Reduction Case
Every support call that could have been resolved with documentation represents a cost. Engineer time, customer frustration, potential downtime charges, relationship strain. OEM companies with weak documentation delivery systems subsidize their customers' inability to self-serve — often without realizing it.
The business case for better documentation delivery is straightforward:
- Estimate the number of support tickets per year that are resolvable with documentation
- Multiply by average engineer time per ticket (often 30–90 minutes)
- Apply your loaded engineering labor cost
For a mid-sized OEM company shipping 50–100 machines per year, this number is almost always in the six figures annually. Better documentation delivery doesn't just improve customer experience — it directly reduces a significant operating cost.
Adding an AI Layer to OEM Support
The next evolution for OEM documentation is AI-powered question answering: customers can ask questions in plain language and get answers sourced from the specific documentation for their equipment.
This has important differences from a generic AI assistant:
- Asset-specific: The AI is scoped to the documentation for the specific machine. Answers about motor M-03 come from documentation for that motor, not a generic database.
- Traceable: Answers reference specific pages and sections, so customers can verify and get the full context if needed.
- 24/7: Available outside business hours, which is precisely when equipment failures tend to create the most stress.
OEMs that deploy this capability aren't replacing their support teams — they're giving customers a powerful first-line resource that handles the documentation-accessible questions and frees engineers for the genuinely complex problems that require expertise.
Getting Started: A Practical Path
For OEM companies without a current digital documentation strategy, the path forward is:
- Audit your existing documentation. What do you actually have? Is it accurate and current? Is it specific to product variants, or is it too generic?
- Establish a documentation standard. Define what documents are required for each product type, what format they should be in, and who is responsible for maintaining them.
- Set up a digital delivery system. This doesn't need to be complex — a well-organized cloud storage system with QR-linkable URLs is sufficient to start.
- Add QR codes to nameplate and shipping documentation. The incremental cost is minimal; the impact on customer documentation access is significant.
- Measure the impact. Track support tickets, response times, and customer feedback on documentation. The data will tell you where to invest next.
If you're building or rethinking your OEM documentation system, talk to us. We've helped companies implement QR documentation systems that integrate with their existing processes and document libraries — and we can walk through what this looks like for your specific product line.