Citizen iDP-3545 Series User manual

Service Manual
Model: iDP-3545/3546
Rev. 0.00 Newly issued on Sep. 22.1997
Japan CBM Corporation
Information Systems Div.

iDP-3545/3546 Service Manual
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Contents
1. Disassembly and Assembly ...........................................................................................................................................3
2. Parts list ........................................................................................................................................................................ 10
3. Parts Position............................................................................................................................................................... 21
4. Circuit Diagram........................................................................................................................................................... 25

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1. Disassembly andAssembly

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1. How to remove the Upper Case
1) Remove the Printer Cover.
2) Unfasten 4 screws((1) M3x12) as shown in the figure and lift the Upper Case.

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2. How to remove the Printer Unit
1) Remove the Upper case.
2) Unfasten a screw((2) M3x6) as shown in the figure.
3) Lift the Printer Unit in the arrow position for removal.
4) Remove the AC Cord form the Lower Case.
3. How to remove the Printer Mechanism
1) Unfasten 2 screws((1) M3x14) as shown in the figure.
2) Disconnect 4 connectors which are for the Control Board.((3).(4).(5).(6).)
3) Lift the Printer Mechanism in the arrow position for removal.

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4. How to remove the Control Board
1) Remove the Printer Unit.
2) Unfasten 2 screws((2) M3x6) and remove the Shield plate.
3) To remove the Control Board, unfasten 2 screws(1).
4) Disconnect some connectors as below.
IDP-3545 For Printer Mechanism((3) 17pin, (4) 7pin)
For PE sensor((5) 2pin)
IDP-3546 For Printer Mechanism((3) 17pin, (4) 7pin)
For PE sensor((5) 2pin)
For Auto Cutter(AC-134) ((6) 4pin)
5) Pull the Control Board in the arrow position removal.

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5. How to remove the Power Supply Unit
1) Remove the Printer Unit.
2) Remove the Control Board.
3) Remove the AC Cord(Cord bush) from the Chassis by some tool.
4) Unfasten 2 screws((1) M4x6) which are for Transformer mounting.
5) Unfasten a screw((2) M3x8) which is for Heat Sink.
6) Unfasten a screw((3) M4x6) which is for Earth Terminal.
7) Lift up the Power Switch during lifting up the Power Supply Unit above, then you can remove the
Power Supply Unit.

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6. How to remove the PE Switch
1) Remove the Printer Unit.
2) Remove the Printer Mechanism.
3) Remove the PE sensor connector(2pin) from the Control Board.
4) Remove the Vinyl Tape.
5) Push the Switch Holder the arrow(1) direction to remove the Hooks(3) from the Chassis.
6) Rotate the Switch Holder the arrow(2) direction, then it can be removed easily.

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7. How to remove the Auto Cutter(AC-134)
1) Remove the Upper Case.
2) Remove the Binding Strap as shown in the figure by some tools.
3) Disconnect the connector from the Control Board.
4) Unfasten a screw((2) M2.6x6) as shown in the figure.
5) Remove the Auto Cutter from the Printer Mechanism.

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2. Parts list