1860 - Projector 3M - Free user manual and instructions

Product Type	Overhead Projector
Model	1860
Brand	3M
Dimensions (W x D x H)	340 x 320 x 190 mm
Weight	4.5 kg
Power Supply	AC 220-240V, 50/60 Hz
Lamp Type	Halogen, 250W
Brightness	2000 lumens
Projection Area	Up to A4 (210 x 297 mm)
Focus	Manual, adjustable
Cooling Fan	Integrated, thermal protection
Main Functions	Projection of transparencies, documents, and objects
Maintenance & Cleaning	Clean glass stage with a soft cloth; avoid abrasive cleaners. Replace lamp when dim or burnt out.
Safety	Do not cover vents; keep away from water and flammable materials. Unplug when not in use.
Spare Parts & Repairability	Lamp (model 78-6969-9985-4), lens assembly, power cord. Repairs by authorized service only.
General Information	Portable design with carrying handle; suitable for classrooms and meetings.

Frequently Asked Questions - 1860 3M

What type of lamp does the 3M 1860 projector use?

The 3M 1860 uses a 250W halogen lamp. Always replace with the specified model (3M 78-6969-9985-4).

Can I project documents other than transparencies?

Yes, the 3M 1860 can project opaque objects and documents up to A4 size, but brightness may be lower.

How do I clean the glass stage?

Use a soft, lint-free cloth with mild glass cleaner. Avoid spraying directly onto the glass; apply to cloth first.

What is the weight of the 3M 1860?

The projector weighs approximately 4.5 kg, making it easy to carry with the built-in handle.

Does the projector have a thermal safety feature?

Yes, it includes a thermal protection fan that shuts off the lamp if overheating is detected.

What size image can the projector display?

Image size depends on distance; typically from 0.5m to 3m diagonal when placed 1.5m to 5m from the screen.

Can I use the projector continuously for hours?

Yes, but allow cooling breaks every 2-3 hours to extend lamp life. Avoid blocking vents.

Where can I find replacement lamps?

Replacement lamps are available from 3M authorized dealers or online. Use part number 78-6969-9985-4.

Is the projector compatible with international voltage?

The 3M 1860 is designed for 220-240V AC. Do not use with step-down converters unless rated for 250W.

How do I adjust the focus?

Turn the focus knob on the lens barrel until the projected image is sharp. Adjust for different projection distances.

USER MANUAL 1860 3M

3M ^TM Overhead Projector

Model1860 Plus

Clear Choice

The clear choice for presenters worldwide, the 3M Overhead Projector 1860 Plus is engineered for durability with a chemically-hardened, break-resistant stage glass. The durable stage glass can result in less maintenance, interruptions and repair expenses. Featuring an articulating closed-singlet wide-angle lens for crisp, detailed images kept sharply focused by a rack-and-pinion mechanism. The handsomely styled 3M Overhead Projector 1860 Plus packs a 2,700-lumen punch for brilliant images. The 1860 Plus has a five-year limited warranty on parts and labor.

Black and white photo of a projector with a stand and overhead lamp (no visible text or symbols)

KEY FEATURES

Chemically-hardened stage glass is retained by clips for easy replacement.
Wide-angle, closed articulating singlet lens for clear images throughout the tilt range.
Closed projection head to protect the mirror and to keep dust away from the optical surfaces.
2,700 lumens of light output projects brilliant images with the room lights on for note taking.
Dual element fresnel lens for a sharper screen image.
Built-in resistor to extend lamp life.
Lamp interrupt switch shuts off power to a lamp when changing lamps to prevent premature lamp failure.
10.5" x 10.5" staging area gives you room to maximize your message.
Built-in pen tray for convenient storage.
Fifteen-foot power cord and tangle-free storage.
Convenient carrying handle and fold-down post provide optimal portability and storability.
Five-year limited warranty covers parts and labor. Please see product packaging for details of warranty terms.
One lamp included.

ORDER NUMBER: 78-9236-6871-5

OPTIONAL ACCESSORIES: Replacement lamp, roller attachment, roller-attachment film, dust cover, and projection screens.

TECHNICAL SPECIFICATIONS

OPTICAL PERFORMANCE

Head: Articulating, closed-singlet (one element lens) wide-angle
Illumination: 2,700 ANSI lumens typical*
Design: Transmissive with folded optical system
Focal length: 11.5"(293 mm)
Stage aperture: 10.5" x 10.5" (267 mm x 267 mm)
Fresnel Lens: Dual Element Lens

LAMP DESCRIPTION

Lamp ejector
Lamp changer
1 lamp included
Lamp Type: ENX(82 volts, 360 watts
Lamp Life: 75 hours ANSI rating
Built-in Resistor to extend lamp life well beyond the 75 hour ANSI rating.*

ELECTRICAL REQUIREMENTS

Hush-quiet fan
Power-cord length: 15' (4.6 m)
Power-cord wrap
Carrying handle
Fold-down post
Weight: 19.0 lbs.(8.6 kg)

MECHANICAL

PHYSICAL CHARACTERISTICS

*Using 3M ENX Lamps

1.800.328.1371

www.3M.com/meetings

Specifications subject to change without notice.

3M is a trademark of 3M Company. Used under license in Canada. All other trade names referenced are the service marks, trademarks, or registered trademarks of their respective companies.

3M Visual Systems

Building A147-5N-01

6801 River Place Blvd.

Austin, TX 78726-9000

1-800-328-1371

www.3m.com/meetings

3M Mexico,S.A.de C.V.

London, Ontario, Canada

N6A 4T1

1-800-364-3577

© 3M 2005

R122905

78-6970-8489-1

Important Notice.

All statements, technical information, and recommendations related to 3M's products are based on information believed to be reliable, but the accuracy or completeness is not guaranteed. Before using this product, you must evaluate it and determine if it is suitable for your intended application. You assume all risks and liability associated with such use. Any statements related to the product which are not contained in 3M's current publications, or any contrary statements contained on your purchase order shall have no force or effect unless expressly agreed upon, in writing, by an authorized officer of 3M.

Warranty; Limited Remedy; Limited Liability.

This product will be free from defects in material and manufacture for a period of five years from the date of purchase. 3M MAKES NO OTHER WARRANTIES or CONDITIONS INCLUDING, BUT NOT LIMITED TO, ANY IMPLIED WARRANTY OR CONDITION OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. If this product is defective within the warranty period stated above, your exclusive remedy shall be, at 3M's option, to replace or repair the 3M product or refund the purchase price of the 3M product. Except where prohibited by law, 3M will not be liable for any indirect, special, incidental or consequential loss or damage arising from this 3M product, regardless of the legal theory asserted.