Oki Microline Printer, 3391, 3390 specifications Printer Unit

Page 129

Figure 11-3 Printer Unit

No.

Part No.

Description

Q'ty

Q'ty

Remarks

Required

 

 

 

 

 

 

 

 

 

 

 

1

3PA4044-5002G2

Main Frame (N)

1

2

For ML3390

 

3PA4044-5152G2

Main Frame (W)

1

2

For ML3391

2

3PP4044-5012P1

Bottom paper end lever

1

1

 

3

4PP4044-5019P2

Pressure spring (F)

3

2

For ML3390

 

4PP4044-5019P1

Pressure spring (F)

5

4

For ML3391

4

4PP4044-5031P2

Roller holder (F)

3

6

For ML3390

 

 

 

5

8

For ML3391

5

4PA4025-3327G1

Front pressure roller assy

3

6

For ML3390

 

 

 

5

8

For ML3391

6

3PP4044-5015P1

Release shaft (N)

1

2

For ML3390

 

3PP4044-5157P1

Release shaft (W)

1

2

For ML3391

7

1PP4044-5021P1

Paper pan plate (N)

1

2

For ML3390

 

1PP4044-5158P1

Paper pan plate (W)

1

2

For ML3391

8

3PP4025-3320P2

Leaf spring (N)

1

2

For ML3390

 

3PP4025-3507P2

Leaf spring (W)

1

2

For ML3391

9

3PP4044-5011P1

Paper end lever

1

1

 

10

3PP4044-5013P1

Sensor lever

1

1

 

11

4PP4025-3340P1

Change gear

1

2

 

12

3PP4025-3341P1

Tractor gear

1

2

 

13

4PP4044-5020P1

Pressure spring (R)

3

2

For ML3390

 

 

 

3

2

For ML3391

14

4PP4044-5163P1

Pressure spring (W)

2

1

For ML3391

15

3PP4044-5033P1

Roller holder (R)

3

6

For ML3390

 

 

 

5

10

For ML3391

16

4PP4044-5017P1

Change arm

1

2

 

17

3PP4044-5014P1

Switch lever

1

1

 

18

4PP4044-5024P1

Idle gear

1

2

 

19

2PP4044-5016P1

Change lever

1

2

 

20

3PP4044-5023P1

Reset spring

1

2

 

21

3PA4044-5110G2

LF motor assy

1

4

 

22

3PP4044-5034P1

Rear pressure roller (N)

1

2

For ML3390

 

3PP4044-5162P1

Rear pressure roller (W)

1

2

For ML3391

 

 

 

 

 

 

B – 7

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Image 129
Page 128 Page 130
Contents Printer Preface Table of Contents Adjustment Cleaning and Lubrication Troubleshooting and RepairAppendix PCB Layout Spare Parts List Configuration Standard Printer Configuration ConfigurationOptions Page Theory of Operation Electrical Operation Theory of OperationAddress AD-BUS LSI MPU Clock RAS MPUCS1 CASCG-N Read cycle timing Read EepromWRL MPU Reset Nbsy Head Drive Timing Chart Pin 5~20 Time Page Hall AMP Input Output SPU SPV SPW Open Utility Mode PHASE-A PHASE-B Forward Reverse LSI Optd Opck NPA2 Oprd Optxd Opclk YES Powlev Temp Stop 119C Mode up Mode down Uses of output voltages and signals are described below Mechanical Operation Page When printing Page Page Page Range from 5 to Page Ribbon cartridge Drive gear Ink tank Page Rear TOPBottom OFF BottomTOP Page Paper Idle gear Change gear Pull tractor Drive gear Idle gear Platen gear Push tractor Page Page Bottom Open TOP Close Rear Bottom Rear Page Page Page Platen Ribbon protector Printhead Carriage frame assembly Rear TOP Bottom SW2 SW1 Page Park ASSEMBLE/DISASSEMBLE Precaution for Parts Replacement ASSEMBLY/DISASSEMBLYService tools Service ToolsPrinter unit Disassembly/Reassembly ProcedurePage Page Page Page Page Page Page Page Page Claw Page Page Sensor Lock a Page Page Page Page Page Page Page Page Page Periodic Maintenance Adjustment Specification Drawing Measured With Adjust lever Confirm followings Friction Rotation of the push To confirm Tractor Ribbon feed To confirm Engagement Troubleshooting Flowcharts Cleaning Cleaning and LubricationCarriage shaft Lubrication Spare Parts List Troubleshooting and Repair Troubleshooting TableItems to Check Before Repair Lamp Display Printer mode display1/2 2/2 Page Connection Circuit Check for Printhead and SP/LF Motor Printhead Signal Connector pin numberLF4 LF1 LF2 LF3SP-W SP-U SP-VTroubleshooting flow chart CN2 Page Page Pull up roller cover Platen Paper Ribon Protector Page Page Page Page Page Page RXD TXDSSD DTRPage Appendix a Appendix a Appendix a BIT Image Graph is DOT DensityPCB list PCB LayoutAppendix B Spare Parts List Upper Cover Assy Description Qty Remarks Printer General Assy Leop 1716 2931 Printer Unit Printer Unit Carriage Assy Carriage Option Assy Option Spare Parts LXHI-PCB RS232 I/F Appendix C Appendix C RS-232C Serial Interface Board General Operation Description Element DescriptionCircuit Description If WR ROMRAM Page Mode a Communication Procedure FlowchartFigure C-2-3 Troubleshooting Flowchart Before Repairing a FaultTroubleshooting Figure C-3-1 Figure C-3-3 Figure C-3-5 RTS CTS SSD DTR DSR Local TestPage People to People Technology
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Manual 35 pages 50.52 Kb

3390, Microline Printer, 3391 specifications

The Oki 3391 Microline Printer embodies precision and versatility, making it an essential tool for various business applications. Built with a range of powerful features, this dot matrix printer excels in environments that require consistent, reliable printing. The Oki 3391 is a member of the Oki 3390 series, renowned for its robust design and technological advancements.

One of the standout characteristics of the Oki 3391 is its impressive printing speed. The printer operates at a rate of up to 550 characters per second, significantly boosting productivity in busy office settings. This speed allows users to handle high-volume print jobs efficiently, ensuring deadlines are consistently met. Additionally, the Oki 3391 offers page mode printing, which is ideal for multi-part forms, making it a popular choice for invoicing and record-keeping applications.

The Oki 3391 utilizes advanced print head technology, featuring a 24-pin mechanism that delivers high-quality text and graphics. This ensures that printed documents have clear, sharp details while maintaining a professional appearance. The printer supports various paper types and media sizes, from plain paper to labels and envelopes, enhancing its flexibility to meet diverse printing needs.

In terms of connectivity, the Oki 3391 is equipped with multiple interface options, including parallel and USB connections, facilitating easy integration into existing office setups. This versatility enables users to connect the printer to various devices, such as PCs and terminals, without hassle. Furthermore, the printer offers a range of emulations, ensuring compatibility with different software applications.

Durability and reliability are fundamental qualities of the Oki 3391. Designed to withstand high usage, it features robust components and is built for long-term operation, minimizing downtime. Its energy efficiency also aligns with modern environmental standards, making it a responsible choice for businesses looking to reduce their carbon footprint.

Overall, the Oki 3391 Microline Printer, part of the 3390 series, stands out for its speed, print quality, and durability. Its ability to handle various printing tasks while providing consistent performance makes it an invaluable asset for businesses that value efficiency and reliability in their document processing. Whether printing multi-part forms or daily reports, the Oki 3391 delivers exceptional results, making it a top contender in the dot matrix printer market.
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