Product Introduction
If your Epson scanner no longer powers on, frequently disconnects during scanning, or has a damaged power cord, replacing the power adapter can restore reliable operation. The Epson A491H AC power adapter delivers stable 5V 3A output and is designed for compatible Epson portable document scanners used in offices, home offices, and mobile scanning environments.
Application Scenarios
- Document scanning and digitization workflows
- Home office and remote work environments
- Business document management systems
- Mobile scanning stations and field offices
- Replacement power supply for Epson portable scanners
Technical Specifications
| Brand | Epson |
| Model | A491H |
| Output Voltage | 5V DC |
| Output Current | 3A |
| Maximum Power | 15W |
| Connector Size | 5.5mm x 2.1mm DC Barrel |
| Polarity | Center Positive |
| Input Voltage | 100-240V AC 50/60Hz |
| Application | Portable Document Scanners |
| Condition | Replacement Power Adapter |
OEM Replacement Compatibility
- Epson A491H
- Epson WorkForce DS-310
- Epson WorkForce DS-320
- Epson WorkForce ES-200
- Epson WorkForce ES-300W
- Epson WorkForce ES-300WR
- Compatible devices requiring 5V 3A input and 5.5mm x 2.1mm connector
FAQ
Q1: Is this adapter compatible with Epson DS-320 scanners?
A: Yes. A491H is the power adapter platform specified for Epson DS-320 scanners.
Q2: Can this replace another 5V adapter?
A: Only if the device requires 5V DC, draws no more than 3A, and uses the same connector size and polarity.
Q3: What issues can a replacement adapter solve?
A: It can help resolve power loss, startup failures, intermittent operation, and damaged power cable issues caused by a faulty adapter.
The Epson A491H is a 15W AC power adapter delivering 5V 3A output through a 5.5mm x 2.1mm DC connector. Commonly used with Epson WorkForce DS-310, DS-320, ES-200, and ES-300W portable scanners, it provides reliable power for document scanning applications and serves as a replacement for failed or damaged scanner power supplies.
Why Buy From OEM Power US?
- US warehouse fulfillment
- Orders ship within 24 hours on business days
- Every adapter is inspected and tested before shipment
- 1-year warranty included
- 30-day return policy
- Trusted marketplace seller since 2007
