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Microtek ScanMaker 3700 Supplementary Manual

Lamp replacement
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Download this manual See also: User Manual, Supplementary Manual
Lamp Replacement Instructions
A scanner is a precision optical instrument and changing a lamp is not like changing a
household bulb. We do not recommend that you replace the scanner lamp on your own
because of potential problems that may come up during the lamp replacement. Technical
Support personnel are not trained in repair; therefore, if you get in trouble, assistance in
replacing the lamp is not available. Proceed at your own risk!
Tools Needed:
Phillips Screw Driver
Flat Screw Driver or small pry bar
Needle Nose Pliers
Recommended Materials:
Glass Cleaning Cloth
Canned Air
Selecting A Work Area
It is important that you begin by planning where you will lay your disassembled parts.
Locate an area with a workbench, table or desk with plenty of space.
Make sure that the area is clear of any other parts from other devices, as the many
screws and nuts can be easily confused.
We recommend that you lay a sheet or tablecloth on the surface you will be
working on. This will prevent tools, parts and screws from sliding around and
falling to the floor. This will also prevent any parts from scratching the surface of
the work area.
ScanMaker 3700
1

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Summary of Contents for Microtek ScanMaker 3700

  • Page 1 Lamp Replacement Instructions ScanMaker 3700 A scanner is a precision optical instrument and changing a lamp is not like changing a household bulb. We do not recommend that you replace the scanner lamp on your own because of potential problems that may come up during the lamp replacement. Technical Support personnel are not trained in repair;...

  • Page 2: Before You Start

    Before You Start In order to prevent any short-circuiting of the electronic chips on the scanners motherboard, it is very important that you ground yourself by simply touching the metal part or parts of your PC. Make sure that the area you touch on your PC is bare metal and not coated with paint or plastic.
  • Page 3 You will notice the phillips screws inside of the receptacles where the scanner lid posts (hinges) are inserted. (See illustration below.) 1. Remove the Phillips head screws inside of the receptacles where the scanners lid posts (hinges) were inserted. Note: Do not use screwdrivers with magnetic or magnetized tips. Using magnetized tools around the scanners circuit boards may damage the circuitry, therefore rendering your scanner useless.
  • Page 4 3. Take your flat head screw driver or small pry bar and locate the area immediately below the lid hinge receptacles. Take your flat head screwdriver and insert it between the upper and lower housing. (See illustration below.) Warning: Make sure to select an area where the scanner’s motherboard is not in the way when you insert the screwdriver or pry bar.
  • Page 5 This will allow the scanner’s upper housing to clear the two plastic posts at the rear of the scanner. Then simply pull the upper housing forward or towards you about an inch. Then lift the upper housing upward to remove. See illustration below: Plastic Post Removing The Scanner Lamp Assembly 1.
  • Page 6 2. Remove the carriage shaft bar guide. You can easily achieve this by locating the clip post towards the front of the scanner. Pull the metal shaft upward until it dislodges from the clip post. Then simply remove the metal shaft by sliding the shaft out of the shaft guides.
  • Page 7 3. Locate the connector that connects the florescent lamp to the scanner’s carriage mechanism. You will need to remove the connector. If it is too tight or difficult to remove manually use the needle nose pliers to remove the connector. (See illustration below.) Scanner Lamp connector...
  • Page 8 Note: If the Scanner lamp Assembly Connector is too difficult to remove manually use a set of needle nose pliers to remove it. (See illustration below.) Needle Nose pliers pulling the Scanner Lamp assembly connector off the circuit board. 4. Once the florescent lamp connector has been disconnected you need to remove the lamp assembly.
  • Page 9 5. Use a small flat screwdriver and dislodge the lamp assembly from the scanner carriage. (See illustration below.) 6. Once scanner lamp assembly is disassembled from the scanner carriage, simply lift the lamp assembly upward to remove. (See illustration below.) Warning: Do not touch the mirrors or any other parts inside of the scanner carriage assembly after you remove the scanner lamp assembly.
  • Page 10 2. Align the new lamp assembly directly over the open area of your scanner carriage. Once the lamp assembly has lined up just right firmly press downward in order to successfully clip the lamp assembly to the scanner’s carriage. 3. Replace the two small phillips screws that hold the lamp assembly secure to the scanner carriage and connect the lamp assembly connector to the carriage assembly circuit board.
  • Page 11 5. Replace the carriage shaft bar guide. You can easily achieve this by locating the clip post towards the front of the scanner. Push the metal shaft downward until it snaps into the clip post. (See illustration below.) Push the metal shaft Insert Shaft downward...
  • Page 12 lower housing are aligned press firmly downward to allow the plastic clips to fasten and connect the upper and lower scanner housing. (See illustration below.) 3. To fasten the scanner’s upper and lower housing replace the two Phillips screws that were removed from the lids receptacles at the back of the scanner.