Table Of Contents - Citizen OP900II Technical Manual

Contents
Introduction ............................................................................................................................................................................................ 2
For Safe Use ........................................................................................................................................................................................... 2
General Warnings................................................................................................................................................................................... 5
Chapter 1 Cleaning ..................................................................................................................................................... 8
Alcohol that can be used for cleaning ................................................................................................................................................. 8
Cleaning the Platen Roller..................................................................................................................................................................... 8
Cleaning the Grip Roller and Pinch Roller........................................................................................................................................... 9
Cleaning the thermal head .................................................................................................................................................................. 10
Chapter 2 Disassembly・Reassembly ......................................................................................................................... 11
Fasten Screw Torque List .................................................................................................................................................................... 11
Maintenance parts ................................................................................................................................................................................ 12
Applying Grease................................................................................................................................................................................... 12
１, Disassembly, Assembly (Outer cover) .................................................................................................................................... 13
２, Disassembly・assembly（Printer mechanism） ........................................................................................................................ 14
Replacement Procedure 2-32 Thermal Print Head Assembly.............................................................. 15
Replacement Procedure Mecha Assy ..................................................................................................... 17
Replacement Procedure 2-29 Head Frame Assembly........................................................................... 18
Replacement Procedure 2-30 Ribbon Winding Assy ............................................................................. 19
Replacement Procedure 2-35 Main PCB Assembly .............................................................................. 19
Replacement Procedure 2-10 DRIVE PCB Assy ................................................................................... 19
Replacement Procedure 2-13 LED PCB Assy ....................................................................................... 19
Replacement Procedure 2-33 RFID PCB Assembly.............................................................................. 19
３, Disassembly・Assembly（Frame Assy）.................................................................................................................................... 21
Replacement Procedure DAMPER ........................................................................................................ 21
Replacement Procedure 3-38 Inter Lock SW Assy................................................................................ 21
Replacement Procedure 3-40 Fan Motor ............................................................................................... 21
Replacement Procedure 3-32 Power Supply Unit................................................................................. 21
４, Disassembly, Assembly（Mechanical Assy） ............................................................................................................................. 22
Replacement Procedure 4-68 Auto Cutter Unit .................................................................................... 22
Replacement Procedure 4-9 BELT_TIMING ........................................................................................ 22
Replacement Procedure 4-33 ROLLER_PLATEN ................................................................................ 22
Replacement Procedure 4-71 ROLLER_GRIP ...................................................................................... 23
Replacement Procedure 4-32 ROLLER_PINCH ................................................................................... 24
Replacement Procedure 4-53 GEAR_HEAD_PINCH_IDLE................................................................ 25
Replacement Procedure 4-55 GEAR_ROLL_REDUCTION_3 ............................................................. 26
Replacement Procedure 4-57 Gear,Cassette ......................................................................................... 26
Replacement Procedure 4-56 Torque Limiter ....................................................................................... 26
Replacement Procedure 4-25 Metal Bearing（d6-D10） ..................................................................... 26
Replacement Procedure 4-22 Pulley,Grip Roller................................................................................... 26
Replacement Procedure 4-63 Humidity Sensor Module....................................................................... 27
Replacement Procedure 4-64 Paper Sensor PCB.................................................................................. 27
Replacement Procedure 4-66Paper Guide Assy .................................................................................... 28
Replacement Procedure 4-65 Sensor Plate Assy................................................................................... 29
５, Disassemble・Assemble（Mechanical frame L Assy） ............................................................................................................. 31
Replacement Procedure Assembly,DRUM_Supply_Ribbon ................................................................. 32
Replacement Procedure 5-15 GEAR_HEAD_PINCH_CAM_L ............................................................ 32
Replacement Procedure 5-16 Gear_Supply_Tension ............................................................................ 32
Replacement Procedure 5-33 SA,Holder_Ribbon_LT ........................................................................... 32
Replacement Procedure 5-32 SA,Holder_Ribbon_L ............................................................................. 32
Replacement Procedure 5-19 HeadUP_Worm_Gear............................................................................. 32
Replacement Procedure 5-24 Motor Assy .............................................................................................. 32
Replacement Procedure 5-25 Step_Motor_PM25L ............................................................................... 32
Replacement Procedure 5-20 Bearing(d6-D12)..................................................................................... 32
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