OKIDATA ML320 Turbo Manuel utilisateur

Page: 1

Service Guide ML320/321Turbo

Chapter 0 About This Manual

ML320 Turbo // ML321 Turbo

Dot Matrix Printers

Adobe Acrobat printable reference

copy of the OKIDATA Service Training Manual.

09/17/97

Note: This Adobe Acrobat version of the Okidata Service Training Manual was built with the

pictures rendered at 300 dpi, which is ideal for printing, but does not view on most

displays well.

Okidata is a registered trademark, and OkiPage is a trademark of Oki Electric Industry Co., Ltd. HP,

LaserJet and PCL5e are trademarks of Hewlett-Packard Co. Adobe and Acrobat are trademarks of Adobe

Systems Incorporated.

Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)

Table of Contents Page

Service Guide ML320/321Turbo

0 About This Manual

Front Cover 1

1 Configuration

1.1. Standard Printer Configuration 2

1.2 Options 3

2 Operation Description

....2.1.1 Summary 4

....2.1.2 Microprocessor and the Peripheral Circuit 5

....2.1.3 Initialization 6

....2.1.4 Parallel Interface Control 7

....2.1.5 Print Control 8

....2.1.6 SP/LF Motor Control 9

....2.1.7 Operation Panel 10

....2.1.8 Alarm Circuit 11

....2.1.9 Power Supply Circuit 12

2.2 Mechanical Operation 13

....2.2.2 Spacing Operation (See Figure 2-4.) 14

....2.2.3 Head Gap Adjusting (See Figure 2-5.) 15

....2.2.4 Ribbon Drive (See Figure 2-6.) 16

....2.2.5 Paper Feed Operation 17

....2.2.6 Paper Detection Mechanism (See Figure 2-15.) 18

....2.2.7 Automatic Sheet Feed 19

....2.2.8 Paper Park Function (Continuous sheet paper) 20

3 Parts Replacement

3. ASSEMBLY/DISASSEMBLY 21

3.1 Precautions for Parts Replacement 22

3.2 Service Tools 23

3.3 Disassembly/Reassembly Procedure 24

....3.3.1 Printhead 25

....3.3.2 Ribbon Protector 26

....3.3.3 Pull-up Roller Assy 27

....3.3.4 Upper Cover, Access and Sheet Guide Assy 28

....3.3.5 Gear Case Assy 29

....3.3.6 PC Connector 30

....3.3.7 Space Motor, Guide Roller Assy 31

....3.3.8 Space Rack 32

....3.3.9 Carriage Cable 33

....3.3.10 Backup Roller Holder Assy 34

....3.3.11 Platen Assy 35

....3.3.12 Driver Board (SDDV) 36

....3.3.13 LF Motor 37

....3.3.14 Operation Panel PCB (LEOP) 38

Table of Contents Page

....3.3.15 Control/Power Supply Board (SDCT) 39

....3.3.16 Transformer Assy 40

....3.3.17 Change Lever and Gears 41

....3.3.18 Carriage Shaft 42

....3.3.19 Paper Pan 43

....3.3.20 Rear Tractor Assy 44

....3.3.21 Rear Pressure Assy 45

....3.3.22 Switch Lever 46

4 Adjustments

4. ADJUSTMENT 47

5 Periodical Maintenance

5.1 Cleaning 48

5.2 Lubrication 49

6 Troubleshooting

6.1 Items to Check Before Repair 50

6.2 Troubleshooting Table 51

6.3 Lamp Display 52

6.4 Connection Circuit Check for Printhead and SP/LF Motor 53

6.5 Troubleshooting Flow Chart 54

A Centronics Parallel Interface

A. PCB LAYOUT 55

B Parts Listing

Parts Listing 56

Figure 11-1 Upper Cover Assy 57

Figure 11-2 Printer General Assy 58

Figure 11-3 Printer Unit 59

Figure 11-4 Carriage Assy 60

Figure 11-5 Option Spare Parts 61

C Software Diagnostics and Adjustments

RS-232C SERIAL INTERFACE BOARD 62

2. OPERATION DESCRIPTION 63

....2.2.1 Operation at power on 64

....2.2.2. RS-232C interface 65

2.3 Communication Procedure Flowchart 66

3. TROUBLESHOOTING FLOWCHART 67

3.3 Local Test 68

Autres manuels pour ML320 Turbo

Ce manuel convient aux modèles suivants

Autres manuels OKIDATA Imprimante

OKIDATA

OKIDATA MICROLINE ML590 Manuel utilisateur

OKIDATA

OKIDATA OKIMATE 20 Manuel utilisateur

OKIDATA

OKIDATA Microline ML395 Manuel utilisateur

OKIDATA

OKIDATA MICROLINE 320 Manuel utilisateur

OKIDATA

OKIDATA OKIMATE 20 Manuel utilisateur

OKIDATA

OKIDATA PM3410 Manuel utilisateur

OKIDATA

OKIDATA OKIPAGE 10ex Manuel utilisateur

OKIDATA

OKIDATA Okipage6e Manuel utilisateur

OKIDATA

OKIDATA ML390 Turbo Manuel utilisateur

OKIDATA

OKIDATA Pacemark 2410 Manuel utilisateur

OKIDATA

OKIDATA Okipage 16n Manuel utilisateur

OKIDATA

OKIDATA ML-520 Manuel utilisateur

OKIDATA

OKIDATA ML390 Turbo Manuel utilisateur

OKIDATA

OKIDATA ML320 Turbo Manuel utilisateur

OKIDATA

OKIDATA ML320 Turbo Manuel utilisateur

OKIDATA

OKIDATA 321 Turbo Manuel

OKIDATA

OKIDATA OKIPAGE 20 Manuel utilisateur

OKIDATA

OKIDATA Microline 393 Manuel utilisateur

OKIDATA

OKIDATA MC873 Manuel utilisateur

OKIDATA

OKIDATA OL810e Manuel utilisateur

OKIDATA

OKIDATA OL830 Manuel utilisateur

OKIDATA

OKIDATA OKIOFFICE 44 Manuel utilisateur

OKIDATA

OKIDATA OL400e Series Manuel utilisateur

OKIDATA

OKIDATA OL600e Manuel utilisateur

Manuels Imprimante populaires d'autres marques

Lexmark

Lexmark 1400 Series Manuel

Canon

Canon i70 Series Manuel utilisateur

Evolis

Evolis Elypso Manuel utilisateur

Kyocera

Kyocera FS-9530DN Manuel utilisateur

Canon

Canon LASER SHOT LBP-1210 Manuel utilisateur

Samsung

Samsung BIXOLON SRP-350plusF Manuel utilisateur

Canon

Canon PIXMA PRO-1 Series Manuel utilisateur

Canon

Canon PIXMA G3560 Guide de configuration

Dell

Dell Color Laser Printer 2130cn Manuel utilisateur

Tektronix

Tektronix Phaser 840 Manuel utilisateur

Epson

Epson ET-7750 Mode d'emploi

Canon

Canon CLBR 460ps Manuel utilisateur

Eltron

Eltron P210 Guide Manuel utilisateur

Ricoh

Ricoh MD-P1 Manuel utilisateur

Epson

Epson SC-F7100 series Manuel utilisateur

Epson

Epson Stylus C40UX Manuel utilisateur

Canon

Canon imagePASS-A2 Manuel utilisateur

Canon

Canon S820D Manuel utilisateur