1. Introduction
This manual provides essential instructions for the proper setup, operation, and maintenance of your Minolta 4000AF Flash unit. Designed for use with Minolta Maxxum 5000, 7000, and 9000 series cameras, this flash enhances your photographic capabilities by providing controlled illumination.
Please read this manual thoroughly before using the flash to ensure optimal performance and safety.
2. Setup
2.1 Battery Installation
The Minolta 4000AF Flash requires four AA-size batteries. Use alkaline or rechargeable NiMH batteries for best performance. Ensure correct polarity when inserting batteries.

Image: Close-up view of the Minolta 4000AF flash unit's hot shoe mount and battery contacts. This image shows the metal contacts where the flash connects to the camera and the internal contacts for battery power. Ensure these contacts are clean and free from corrosion for reliable operation.
- Open the battery compartment cover, typically located on the side or bottom of the flash unit.
- Insert four AA batteries, matching the positive (+) and negative (-) terminals as indicated inside the compartment.
- Close the battery compartment cover securely.
Warning: Always inspect battery compartments for corrosion or damage, especially with older units. Leaking batteries can severely damage the flash. Remove batteries when the flash is not in use for extended periods.
2.2 Mounting the Flash to Your Camera
The 4000AF Flash uses a hot shoe mount for secure attachment and electronic communication with your Minolta Maxxum camera.
- Ensure both the camera and flash are powered off.
- Slide the flash unit's mounting foot into the camera's hot shoe slot.
- Secure the flash by tightening the locking wheel or lever on the flash unit, if present.

Image: Front view of the Minolta Maxxum 4000AF flash unit. The Minolta logo and "MAXXUM 4000 AF" text are visible on the front panel. This image displays the overall design of the flash unit, ready for attachment to a compatible camera's hot shoe.
3. Operating the Flash
3.1 Powering On/Off
Locate the OFF-ON switch on the control panel of the flash unit. Slide it to the 'ON' position to power on the flash. Slide it to 'OFF' when not in use to conserve battery life.
3.2 Control Panel Overview

Image: Rear view of the Minolta 4000AF flash unit, showing the control panel. Buttons for LIGHT, ZOOM, TTL/M, LEVEL, and TEST are visible, along with the OFF-ON switch and an LCD display. This panel allows users to adjust flash settings and modes.
- LIGHT: Activates the panel backlight for visibility in low light.
- ZOOM: Adjusts the flash head's zoom position to match the lens focal length.
- TTL/M: Toggles between Through-The-Lens (TTL) automatic flash mode and Manual (M) flash mode.
- LEVEL: Adjusts flash output level in manual mode or compensation in TTL mode.
- TEST: Fires a test flash to check operation and light output.
- OFF-ON: Power switch for the unit.
3.3 Flash Modes
- TTL (Through-The-Lens) Mode: The flash automatically determines the correct light output based on the camera's metering system. This is the recommended mode for most general photography.
- Manual (M) Mode: Allows the user to manually set the flash output level. This mode offers greater creative control but requires more experience.
3.4 Sync Speed
The Minolta 4000AF Flash supports a maximum flash sync speed of 1/250th of a second. Refer to your camera's manual for specific sync speed limitations and settings.
3.5 Wireless Communication
This flash unit utilizes Optical Pulse technology for wireless communication, allowing it to be used off-camera as a slave unit with compatible Minolta systems.
4. Maintenance
- Cleaning: Use a soft, dry cloth to clean the exterior of the flash unit. For stubborn dirt, slightly dampen the cloth with water. Avoid using solvents or abrasive cleaners.
- Contacts: Periodically inspect and gently clean the hot shoe contacts on both the flash and camera with a clean, dry cloth to ensure reliable electrical connection.
- Storage: When not in use for extended periods, remove the batteries to prevent leakage and store the flash in a cool, dry place away from direct sunlight and extreme temperatures.
5. Troubleshooting
- Flash not firing:
- Check if the flash is powered on.
- Ensure batteries are correctly installed and have sufficient charge.
- Verify the flash is securely mounted to the camera's hot shoe.
- Check camera settings to ensure flash is enabled.
- Incorrect exposure:
- In TTL mode, ensure the subject is within the flash's effective range.
- In Manual mode, adjust the flash output level (LEVEL button).
- Check camera's ISO and aperture settings.
- Flash head not zooming:
- Ensure the ZOOM button is functioning.
- Check for any physical obstructions.
6. Specifications
| Brand | Minolta |
| Model Number | 8820-617 (Minolta 4000AF) |
| Mounting Type | Hot Shoe Mount |
| Compatible Mountings | Minolta, Sony Alpha |
| Flash Sync Speed | 1/250 second |
| Wireless Communication Technology | Optical Pulse |
| Item Weight | 1.25 pounds |
| Package Dimensions | 9.1 x 7 x 3.1 inches |
| Date First Available | February 18, 2006 |
7. Warranty and Support
For warranty information and customer support, please refer to the documentation provided at the time of purchase or contact your retailer. As this is an older model, direct manufacturer support may be limited. Online photography forums and communities can also be valuable resources for troubleshooting and usage tips.





