Index Braille Index V4, Руководство по обслуживанию

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8 V4 Service manual
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1.4.4 Sheet feeder
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1.4.4.1 Replace pick up roller
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Remove the paper tray: see
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Pull the pick up roller against you until it clicks out of position
1.4.4.2 Replace sheet feeder
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Remove the paper tray
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Unscrew 4 screws holding the Sheet feeder from below
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Remove the Sheet feeder
1.4.5 Electronic modules
Overview picture with all boards, cables, motors and sensors.
1.4.5.1 Replace CPU BCP V4
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Remove the two knurled thumb crews from the CPU Board located in the technical corner
•
Pull the CPU Board out from the embosser
1.4.5.2 Replace Driver PCB V4
1. Open the Braille out tray: see
2. Remove the protection plate from the click in holders
3. Remove all cables from the Driver Board (picture)
4. Remove the Driver Board from the click in holders
1.4.5.3 Replace Sheet feeder PCB V4
The Sheet Feeder PCB V4 is located on the left side of the sheet feeder.
Remove the sheet feeder to get access to the Sheet feeder PCB, see instruction "Replace Sheet
feeder".
The sheet feeder PCB has sensors and connector to the pick up motor.
The sensors are Paper tray position in/out, paper out and for detecting paper size A4, A3, 11x8.5
inch letter, 11x17 inch and 11x11.5 inch. The paper size is presented by the clearly marked LED:s
in the front corner of Braille Box. The DC feeding of the pick up motor is also included in the Sheet
feeder PCB.
1.4.5.4 Replace LED PCB V4
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Open the service door
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Unscrew the front LED PCB
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Disconnect the LED PCB cable
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Remove the LED PCB