Introduction
This manual provides detailed instructions for the setup, operation, maintenance, and troubleshooting of your HP Officejet Pro 8730 D9L20A Wireless All-in-One Color Printer. Please read this guide thoroughly to ensure optimal performance and longevity of your device.
1. Setup
1.1 Unpacking and Initial Placement
Carefully remove the printer from its packaging. Place the printer on a stable, level surface. Ensure adequate space around the device for ventilation and access to paper trays and connections. The printer dimensions are approximately 19.67 x 17.7 x 12.89 inches and it weighs 33.5 pounds.

Figure 1: Front view of the HP Officejet Pro 8730 All-in-One Printer, showing the touchscreen display and output tray.
1.2 Power Connection
Connect the power cord to the printer and then to a grounded electrical outlet. It is recommended to connect the printer to a surge protector to safeguard against electrical fluctuations.
1.3 Ink Cartridge Installation
Open the ink cartridge access door. Install the HP high-yield ink cartridges into their corresponding slots. Close the access door. The printer will typically guide you through this process on the touchscreen.
1.4 Paper Loading
The printer includes two 250-sheet paper trays, providing a total input capacity of 500 sheets. Load paper into the trays, adjusting the paper guides to fit the paper size. Supported media sizes include A4, A5, A6, B5, Letter, and Legal.

Figure 2: The HP Officejet Pro 8730 printer with paper loaded in the main input tray, ready for operation.
1.5 Network Connection
The HP Officejet Pro 8730 supports multiple connectivity options:
- Wi-Fi: Follow the on-screen instructions on the 4.3-inch touchscreen to connect to your wireless network.
- Ethernet: Connect an Ethernet cable from your router or network switch to the printer's Ethernet port.
- USB: For a direct connection, use a USB cable to connect the printer to your computer.
- NFC (Near Field Communication): For compatible mobile devices, use NFC touch-to-print functionality.
After connecting, install the necessary printer drivers and software on your computer or mobile device. HP provides software for various operating systems.
2. Operating Instructions
The printer's 4.3-inch touchscreen display provides intuitive navigation for all functions.
2.1 Printing Documents
- Standard Printing: Send print jobs from your computer or mobile device. The printer supports speeds of up to 24 pages per minute (ppm) for black and white, and 20 ppm for color documents.
- Duplex Printing: The printer features automatic two-sided (duplex) printing to save paper. This option can be selected in your printer settings before sending the print job.
- Mobile Printing: Print directly from Apple iPhone or Android phones using wireless mobile printing features.
- Envelope Printing: To print envelopes, remove existing paper from the main tray, insert envelopes, and adjust paper guides. Update the paper size settings in the printer driver or on the touchscreen before printing.

Figure 3: Side view of the HP Officejet Pro 8730 printer, highlighting its compact design for an all-in-one device.
2.2 Scanning Documents
The HP Officejet Pro 8730 offers versatile scanning capabilities:
- Automatic Document Feeder (ADF): Load up to 50 pages into the ADF for multi-page scanning. The printer supports one-pass duplex scanning, allowing both sides of a document to be scanned simultaneously.
- Flatbed Scanner: Use the flatbed for scanning single pages, delicate documents, or items that cannot be fed through the ADF.
- Scan Destinations: Documents can be scanned to various destinations including email, Google Drive, Dropbox, network folders, and SharePoint. These options are accessible via the touchscreen.

Figure 4: Top view of the HP Officejet Pro 8730, showing the Automatic Document Feeder (ADF) for multi-page scanning and copying.
2.3 Copying Documents
To make copies:
- Place the document on the flatbed scanner or in the ADF.
- Select the 'Copy' function on the touchscreen.
- Adjust settings such as number of copies (up to 100-200 per run), color/black and white, and duplex options.
- The printer can copy at speeds up to 37 ppm for black and white documents.
2.4 Faxing Documents
The HP Officejet Pro 8730 includes fax functionality. Refer to the on-screen prompts for sending and receiving faxes.
2.5 Voice Control
The printer is compatible with voice control systems such as Amazon Alexa and Vera, allowing for hands-free operation of certain functions.
3. Maintenance
3.1 Ink Cartridge Replacement
The printer uses HP high-yield ink cartridges designed for extended use. When an ink cartridge is low or empty, a notification will appear on the touchscreen. Replace cartridges as instructed by the printer's display or the HP software. Consider enrolling in HP Instant Ink for automatic ink delivery.
3.2 Cleaning the Printer
Regular cleaning helps maintain print quality and device longevity. Use a soft, lint-free cloth to wipe the exterior of the printer. For the scanner glass, use a glass cleaner applied to the cloth (not directly to the glass) to avoid streaks. Refer to the printer's internal menu for printhead cleaning or alignment options if print quality issues arise.
4. Troubleshooting
This section addresses common issues you might encounter with your HP Officejet Pro 8730 printer.
4.1 General Printing Issues
- Printer Not Responding: Ensure the printer is powered on and connected to the network or computer. Check for error messages on the touchscreen.
- Poor Print Quality: Perform a printhead cleaning or alignment from the printer's maintenance menu. Check ink levels and replace any low cartridges.
- Paper Jams: Follow the on-screen instructions to clear any paper jams. Ensure paper is loaded correctly and not overfilled.
4.2 Connectivity Problems
- Wireless Connection Issues: Verify your Wi-Fi network is active and the printer is within range. Re-enter network credentials if necessary via the touchscreen.
- Mobile Printing Failures: Ensure your mobile device is connected to the same network as the printer and that the HP printing app is updated.
4.3 Scanning Software Setup Difficulties
If you experience issues setting up scanning to email or cloud services (e.g., Google Drive, Dropbox), ensure all required software and drivers are installed and updated. Verify network connectivity and any necessary account authentications or certificates. Consult HP's online support for specific software configuration guides.
4.4 Envelope Printing Inconvenience
The printer does not feature a dedicated envelope feeder. To print envelopes, you must manually remove the standard paper from the input tray, insert the envelopes, and then adjust the paper size settings in the printer's menu or your computer's print dialogue. Reverse this process to return to standard paper printing.
4.5 Printer Noise and Stability
The printer may produce noise during operation. Ensure the printer is placed on a solid, stable desk or stand to minimize vibrations and noise.
5. Specifications
| Feature | Detail |
|---|---|
| Model Name | 8730 |
| Model Number | D9L20A#B1H |
| Brand | HP |
| Printing Technology | Inkjet, Thermal |
| Connectivity Technology | Ethernet, USB, Wi-Fi |
| Printer Output | Color |
| Max Print Speed (Monochrome) | 24 ppm |
| Max Print Speed (Color) | 20 ppm |
| Maximum Color Print Resolution | 5760 x 1440 dpi |
| Duplex Printing | Automatic |
| Scanner Type | Sheetfed (ADF) and Flatbed |
| Max Copy Speed (Black & White) | 37 ppm |
| Max Input Sheet Capacity | 500 sheets (2 x 250-sheet trays) |
| ADF Capacity | 50 pages (one-pass two-sided) |
| Memory Storage Capacity | 512 MB |
| Processor Speed | 1.2 GHz |
| Power Consumption | 35 Watts |
| Product Dimensions | 19.67 x 17.7 x 12.89 inches |
| Item Weight | 33.5 pounds |
| Compatible Devices | Smartphones, Computers |
| Control Method | Touchscreen, Voice (Amazon Alexa, Vera) |
6. Warranty and Support
6.1 Product Warranty
The HP Officejet Pro 8730 D9L20A printer comes with a limited warranty. For specific terms, conditions, and duration of your warranty, please refer to the documentation included with your product or visit the official HP support website.
6.2 Technical Support
For technical assistance, driver downloads, and additional troubleshooting resources, please visit the official HP support website. You can also find contact information for HP customer service there.