Manuals
/
Oki
/
Computer Equipment
/
Printer
Oki
Microline Printer, 3391, 3390 specifications Theory of Operation
Models:
3390
Microline Printer
3391
1
9
148
148
Download
148 pages
31.58 Kb
6
7
8
9
10
11
12
13
<
>
Troubleshooting
Specification
Parts list
Head Drive Timing Chart
Maintenance
Configuration
Before Repairing a Fault
MPU Reset
Assembly/Disassembly
Adjustment
Page 9
Image 9
2. THEORY OF OPERATION
Page 8
Page 10
Page 9
Image 9
Page 8
Page 10
Contents
Printer
Preface
Table of Contents
Adjustment Cleaning and Lubrication
Troubleshooting and Repair
Appendix PCB Layout Spare Parts List
Configuration
Standard Printer Configuration
Configuration
Options
Page
Theory of Operation
Electrical Operation
Theory of Operation
Address AD-BUS LSI
MPU Clock
RAS
MPU
CS1
CAS
CG-N
Read cycle timing Read
Eeprom
WRL
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
TOP
Bottom OFF
Bottom
TOP
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/DISASSEMBLY
Service tools
Service Tools
Printer unit
Disassembly/Reassembly Procedure
Page
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 Lubrication
Carriage shaft
Lubrication
Spare Parts List
Troubleshooting and Repair
Troubleshooting Table
Items to Check Before Repair
Lamp Display
Printer mode display
1/2
2/2
Page
Connection Circuit Check for Printhead and SP/LF Motor
Printhead Signal Connector pin number
LF4
LF1 LF2 LF3
SP-W
SP-U SP-V
Troubleshooting flow chart
CN2
Page
Page
Pull up roller cover Platen Paper Ribon Protector
Page
Page
Page
Page
Page
Page
RXD
TXD
SSD
DTR
Page
Appendix a
Appendix a
Appendix a BIT Image Graph is DOT Density
PCB list
PCB Layout
Appendix 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 Description
Circuit Description
If WR
ROM
RAM
Page
Mode a
Communication Procedure Flowchart
Figure C-2-3
Troubleshooting Flowchart
Before Repairing a Fault
Troubleshooting
Figure C-3-1
Figure C-3-3
Figure C-3-5
RTS CTS SSD DTR DSR
Local Test
Page
People to People Technology
