Table Of Contents - Citizen iDP3240 Service Manual

TABLE OF CONTENTS

1. MECHANISMS AND OPERATING PRINCIPLES ...................1
1.1 Power transmission and mechanism for feeding recording paper ................ 1
1.2 Mechanism for attaching and detaching the platen roller ............................ 2
1.3 Sensor mechanism ........................................................................................ 2
1.4 Print head mechanism .................................................................................. 3
2. DISASSEMBLING AND ASSEMBLING METHODS ..............5
2.1 Required tools .............................................................................................. 5
2.2 Disassembling procedure ............................................................................. 5
3. MECHANICAL SERVICE PARTS LIST .................................10
3.1 Parts List ..................................................................................................... 10
3.2 Exploded View 1 ........................................................................................ 12
3.2 Exploded View 2 ........................................................................................ 13
4 iDP3240 CIRCUIT DIAGRAMS ................................................14
4.1 Parts List for Control PCB Assy ................................................................. 14
4.2 Block diagram ............................................................................................ 18
4.3 Parts Layout Drawing ................................................................................. 19
4.4 Circuit Diagram .......................................................................................... 23
5. TROUBLESHOOTING ..............................................................25
5.1 Troubleshooting Procedure ........................................................................ 25
5.2 Repair guide ............................................................................................... 26
6. OUTLINE DRAWING .................................................................30
1.3.1 Paper sensor ......................................................................................... 2
1.3.2 Paper-near-end sensor .......................................................................... 3
1.4.1 Outline of drive control ....................................................................... 3
1.4.2 Print data and print position ................................................................ 4
2.2.1 Before starting disassembling: ............................................................ 5
2.2.2 Remove the printer cover: ................................................................... 5
2.2.3 Remove the top cover: ......................................................................... 6
2.2.4 Remove rollers from the top cover: ..................................................... 6
2.2.5 Disassemble the platen roller SA: ....................................................... 6
2.2.6 Remove the pressure roller: ................................................................. 7
2.2.7 Remove the bottom cover: ................................................................... 7
2.2.8 Remove the Auto Cutter ACS-241 from the chassis: .......................... 7
2.2.9 Remove the control board from the chassis: ....................................... 7
2.2.10 Remove the thermal head from the chassis: ..................................... 8
2.2.11 Remove the motor assembly from the chassis: ................................ 8
2.2.12 Remove the paper-end sensor SA: ................................................... 8
2.2.13 Remove the wire springs from the chassis: ...................................... 9
4.3.1 Control PCB Assy -Top side of the board
(Serial Interface D-sub 25) ................................................................ 19
4.3.2 Control PCB Assy-Reverse side of the board ................................... 20
4.3.3 Control PCB Assy -Top side of the board (Parallel Interface) ......... 21
4.3.4 Control PCB Assy-Reverse side of the board ................................... 22
4.4.1 Control PCB Assy (Serial Interface D-sub 25) ................................. 23
4.4.2 Control PCB Assy (Parallel Interface) .............................................. 24
5.2.1 Faulty power supply .......................................................................... 26
5.2.2 Faulty printing ................................................................................... 27
5.2.3 Faulty feeding of recording paper ..................................................... 28
5.2.4 Faulty sensor ...................................................................................... 29
5.2.5 Faulty auto cutter ............................................................................... 29
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