Mcu Pwb - Star Micronics WinType 4000 Technical Manual

REPLACEMENT AND ADJUSTMENT OF PARTS

5.2 MCU PWB

[Disassembly]
Warning: Turn off the power switch and disconnect the power supply cord from the wall outlet.
Remove the EP toner cartridge and keep it in a safe place.
(1) Remove the following units:
• Rear cover (Refer to section 1.3)
• PWB chassis (Refer to section 5.1)
(2) Disconnect PJ11 [1].
To disconnect PJ11, press down on the white, plastic sliding lock [2] to unlock it and pull out the harness.
(3) Remove the two screws [3] securing the MCU PWB [4] to the PWB chassis and remove the MCU PWB.
[Assembly]
Reverse the disassembly procedure.
Caution 1: Be sure that all the harnesses are firmly connected.
Caution 2: To install and lock PJ11, insert the harness and push the white, plastic sliding lock upwards until it stops.
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