Citizen iDP-3550 User manual

Service Manual
DOT MATRIX PRINTER
MODEL iDP3550/3551
Rev. 3.00 Revised on Jan. 25, 2002
Citizen iDP-3550 and iDP-3551 service ManualCitizen iDP-3550 and iDP-3551 service ManualCitizen iDP-3550 and iDP-3551 service ManualCitizen iDP-3550 and iDP-3551 service Manual

iDP3550/3551 Service Manual
CITIZEN
CONTENTS
1. HANDLING AND MAINTENANCE OF PRINTER...................................................................................... 1
2. SPECIFICATIONS ............................................................................................................................................ 2
2.1 Basic Specifications................................................................................................................................... 2
3. DISASSEMBLY AND REASSEMBLY............................................................................................................ 3
3.1 Disassembly Procedure.............................................................................................................................. 3
3.2 Reassembly Procedure............................................................................................................................. 10
4. TROUBLESHOOTING....................................................................................................................................11
4.1 Troubleshooting Procedure.......................................................................................................................11
4.2 Troubleshooting Guide ............................................................................................................................ 12
5. SERVICE PARTS LIST................................................................................................................................... 17
5.1 Parts List for Mechanism......................................................................................................................... 17
5.2 Disassembly Drawing.............................................................................................................................. 19
5.3 Parts List for PCB Assy ......................................................................................................................... 21
5.3.1 Control PCB Assy 3550-01 (R)/3550-02 (P) ........................................................................... 21
5.3.2 Power PCB Assy 3535-03.......................................................................................................... 25
5.4 Parts Layout Drawing.............................................................................................................................. 27
5.4.1 Control PCB Assy 3550-01 (Serial Interface D-sub 25)............................................................ 27
5.4.2 Control PCB Assy 3550-02 (Parallel Interface)......................................................................... 28
5.4.3 Power PCB Assy 3535-03 (120V) ............................................................................................. 29
5.4.4 Power PCB Assy 3535-03 (230V) ............................................................................................. 30
6. DRAWING........................................................................................................................................................ 31
6.1 Block Diagram ...................................................................................................................................... 32
6.2 Circuit Diagram....................................................................................................................................... 33
6.2.1 Control PCB Assy 3550-01 (Serial Interface D-sub 25) ............................................................ 33
6.2.2 Control PCB Assy 3550-02 (Parallel Interface)......................................................................... 34
6.2.3 Power PCB Assy 3535-03 (120V) ............................................................................................. 35
6.2.4 Power PCB Assy 3535-03 (230V) ............................................................................................. 36
7. OUTER DIMENSION..................................................................................................................................... 37
7.1 iDP3550................................................................................................................................................... 37
7.2 iDP3551................................................................................................................................................... 38
* For the printer mechanism (DP-400/410), see the separate Service Manual.

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