Digital Equipment LB15 Manuals

Manuals and User Guides for Digital Equipment LB15. We have 1 Digital Equipment LB15 manual available for free PDF download: Field Support Manual

Digital Equipment LB15 Field Support Manual

Digital Equipment LB15 Field Support Manual (135 pages)

FBS Slip & Passbook Printer

Brand: Digital Equipment | Category: Printer | Size: 3 MB

Table of Contents

Chapter 1 General Description

6
- Table of Contents
  6
- Printing Characteristics
  8
- Information Feedback
  9
- Maintenance Aspects
  9
- Power ON/OFF
  9
- Removing the Cover
  10
- The Design Concept
  11
- General Print Characteristics
  12
- Technical Data
  12
- Document Station
  13
  - Print Area on Vouchers
    14
  - Print Area on Passbooks
    15
  - Book Thickness
    20
- Diagnostic Tests
  20
- Environmental Conditions
  20
- Power Supply
  20
- Communications Interface
  21
- Miscellaneous
  21
- Position Detection Facility
  21
- Design
  22
- Magnetic Stripe Facility
  22
- Encoding Technique
  24
- Performance
  24
- Dimensions of Horizontally Folded Passbooks
  25
- Dimensions of Vertically Folded Passbooks
  25
Chapter 2 Functional Description

26
- Document Grasp and Feed Mechanisms
  28
- Rotary Print Unit
  33
- Lateral Carriage Movement
  34
- Ribbon Feed
  35
- Rotary Print Unit Release and Locking
  36
- Printhead-To-Paper Distance Control (PDC) Mechanism
  37
  - Mechanism Design
    37
  - Head Attach and Release
    38
  - Auto Calibration
    40
  - Document Printing
    40
  - Passbook Printing
    41
  - PDC Cam Wheel
    41
  - Sensor Element
    43
- Main Board
  44
  - General
    44
  - Carriage Motor Drive Circuits
    45
  - Stepper Motor Control and Drive Circuits
    45
  - Power ON/OFF Logic
    45
- PDF - Position Detection Facility
  44
- Capacitor Board
  45
- Opto Sensors
  45
  - General
    45
  - PDF Sensor
    47
  - Sensor Calibration
    48
- Printhead Board
  45
- Joint Board
  48
- PSU and Voltage Indicator
  48
- Diagnostic Panel (Optional)
  49
- Set-Up Panel
  49
- Character Formation
  52
- Principles of Printing
  52
- Printhead
  52
- Character Repertoires and Character Sets
  53
- Character Generation
  54
- Character Sets
  54
- Graphic Character Representation
  57
- IBM Proprinter III Emulation
  57
- Logotypes
  57
- General
  58
- General Motor Drive Principles
  58
- Stepper Motor Drive Principles
  58
- Firmware Structure
  60
- Needle Firing Principles
  60
- Stepper Motor Drive in the LB12/LB15 Printers
  60
- Memory Usage
  61
Chapter 3 Maintenance

66
- Built-In Special Functions
  71
- Introduction
  71
- Selecting and Running the Special Functions
  71
- The Diagnostic Panel
  71
  - Mode Switch
    71
  - Step/Start Switch
    73
  - Display
    73
  - List of Status and Error Codes
    73
- Background Test
  74
- Power on Test
  74
- RAM Parameter Values
  74
- Cleaning
  76
- Inspecting the Toothed Belts
  76
- MSF Preventive Maintenance
  76
- Preparations
  76
- Preventive Maintenance
  76
- Introduction
  77
  - Preparatory Measures
    77
  - Main Types of Faults
    77
- Troubleshooting
  77
- Fault-Finding Scheme
  78
- Special Functions for Fault-Finding
  81
- Checks and Adjustments
  85
- Introduction
  85
  - Checking the Position of the Pressure Rolls
    85
  - Turning the Rotary Print Unit
    85
- Front Pressure (Grasp) Rolls
  86
- Optical Sensors on the Sensor Board
  86
- Grasp Mechanism Belt Tension
  87
- Document Feed Mechanism Belt Tension
  88
- Carriage Drive Belt
  89
- Printhead Slide
  91
- Nose Wheel
  92
- PDC Sensor
  93
  - Checking the PDC Sensor Gap
    93
  - Adjusting the DC Sensor Gap
    93
- Carriage Bearing
  94
- Ink Ribbon Feed
  98
  - Checking the Ribbon Feed
    98
  - Checking the Printhead Mounting
    98
- Special Functions
  98
  - Setting of Opto-Sensor Reference Threshold Levels
    98
  - Guide Document for HW Offsets, Document Station
    99
  - Displaying Individual Sensor Values
    104
  - Adjusting the HW Offsets
    105
  - Printout of PDC Calibration Values
    105
  - RAM Reset
    108
  - Sensor Toggling
    108
- MSF Drive Belts
  108
- MSF Tests
  109
- PDF Sensor
  110
- Printhead
  110
- Removal and Replacement
  110
- PDC Sensor
  111
- PDC Motor
  112
- Main Board
  113
- MSF Logic Board
  115
- Rotary Print Unit
  115
- Carriage Motor
  118
- Ink Ribbon Gear Box
  120
- Capacitor Board
  121
- Document Sensing Board
  121
- Document Sensors
  123
  - Removing a Document Sensor
    123
  - Fitting a Document Sensor
    124
  - Checks and Adjustments
    125
- Exposing the MSF Mechanics
  126
- MSF R/W Head
  126
- Home Position Sensor
  128

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