User manual MICROTEK GLASS CLEANING INSTRUCTIONS CHASSIS IV

[. . . ] Proceed at your own risk! Tools Needed: Phillips Screw Driver Flat Screw Driver or small pry bar Needle Nose Pliers Last Updated By: Alex Licea 1 of 8 Last Updated On: 8/17/04 Scanner Glass Cleaning Instructions Chassis Type IV Recommended Materials: Glass Cleaning Cloth Canned Air 9/17/2004 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. [. . . ] Simply open the scanner lid to a 90-degree angle and lift upward to remove the lid. (See illustration below) Removing the Scanner Upper Outer Housing Most of our scanner models have two phillips head screws holding down the upper housing. Last Updated By: Alex Licea 3 of 8 Last Updated On: 8/17/04 Scanner Glass Cleaning Instructions Chassis Type IV 9/17/2004 You will notice the Phillips screws inside of the receptacles where the scanner lid posts (hinges) are inserted. 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. 2. You will need to pry open the scanners upper housing. In order to do this without damaging the scanner we will need a flat head screw driver or a very small pry bar. Position the front of the scanner facing away from you on the workbench. (See illustration below) Back of the Scanner Last Updated By: Alex Licea 4 of 8 Last Updated On: 8/17/04 Scanner Glass Cleaning Instructions Chassis Type IV 9/17/2004 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. If you insert your prying tool into the motherboard of the scanner you may damage the circuitry, rendering the scanner useless. 4. Once the flat head screwdriver has been inserted between the upper and lower housing, rotate the screwdriver or pry bar clockwise and counter clock wise in order to pry open or separate the upper scanner housing from the lower scanner housing. Note: A good indication that this has happened is that you will here a clicking or snapping sound as the interior plastic clips are released by the force being used to pry the scanners upper housing with the screwdriver or pry bar. Last Updated By: Alex Licea 5 of 8 Last Updated On: 8/17/04 Scanner Glass Cleaning Instructions Chassis Type IV 9/17/2004 5. Once the scanner's upper housing has been released lift the scanner's upper housing (at the rear of the scanner) upward about 1 to 2 inches. Then take the palm of your other hand and thump the back of the upper housing pushing it forward or towards the front of the scanner. (See illustration below) Hit or thump lightly to release the upper housing. Notice how the upper housing is being held up with one hand and the other hand will be used to loosen the upper housing from the clips that hold the upper and lower housing together. [. . . ] The slots for the two phillip screws should have aligned properly. (See illustration below) Last Updated By: Alex Licea 7 of 8 Last Updated On: 8/17/04 Scanner Glass Cleaning Instructions Chassis Type IV 9/17/2004 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. [. . . ]