Commodore MPS 1224C Imprimeur
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Modèle:
MPS 1224C
Date:
1988
Catégorie:
Groupe:
Description:
Matrix Printer
Information
The MT222 Matrix Printer has been developed for daily
correspondence purposes in the office. It has been
manufactured according to the highest possible standards
and, with proper use, it should provide troublefree
operation for many years.
Two high-performance print qualities as well as operation
with fanfold paper and cut sheets can be chosen.
The following print qualities are available:
■ Draft Print Quality (DPQ): 24 x 9 matrix
■ Letter Quality (LQ): 24x26 matrix
The electronic part which is controlled by a microcomputer
operates needle print head, menu programming, and interfaces.
All parts of the Printer control are arranged on a printed
circuit board so that only few additional components are
required as
■ stepping motor for carriage driving,
■ stepping motor for paper feed,
■ needle print head with 24 needles.
Further requirements are met by the Printer with the
following options:
■ sheet feeder
■ multi-colour ribbon
■ font cards
Type manuel:
manuel de réparation
Pages:
103
Taille:
5.40 Mbytes (5664400 Bytes)
Langue:
english
Révision:
Manuel-ID:
Date:
1988 11 01
Qualité:
Document scanné, la lecture en partie mal, en partie illisible.
Date de transfert:
2017 08 04
MD5:
9c7c81c70687b324dc7d8c42d7c7e69f
Téléchargements:
571
Information
Chapter 1
Introduction ... 1
-1 Chapter 2
Specifications ... - ... 2-1
Chapter 3 Functional
Description ... 3-1
3.1 Mechanical
Functions ... 3-1
3.1.1 Print
Head ... 3-2
3.1.2 Print Head
Movement ... 3-3
3.1.3 Ribbon
Drive ... 3-4
3.1.4 Paper
Feed ... 3-5
Clutch
Lever ... 3-6
3.1.5
Sensors ... 3-7
Home Position
Sensor ... 3-7
Paper End
Sensor ... 3-8
Auto Load Switch
Sensor ... 3-8
3.2 Electronic
Functions ... 3-9
3.2.1 Power Supply
Unit ... 3-10
Noise Filter
Block ... 3-10
Rectification Circuit
Block ... 3-10
Converter Circuit
Block ... 3-11
Overvoltage Protection Circuit
Block ... 3-11
Bias Circuit
Block ... 3-11
Output Voltage Detection
Block ... 3-12
PWM Circuit, Driver Circuit, Overcurrent Protection
Circuit ... 3-12
Power Supply Circuit
Diagram ...
3-12
3.2.2 Control
Module ... 3-13
MPU and Related
Circuit ... 3-13
Memory
Configuration ... 3-13
Reset
Circuit ... 3-14
Head Drive
Circuit ... #15
Carriage Motor Drive Control
Circuit ... 3-16
Paper Feed Motor Drive Control
Circuit ... 3-17
Interface - Parallel
I/O ... 3-18
Interface - Serial
I/O ... 3-20
Chapter 4 Test
Modes ... 4-1
4.1 Self-Test
Mode ... 4-1
4.2 Hex Dump
Mode ... 4-2
4.3 Software and Hardware
Ident ... 4-2
Chapter 5 Disassembly and
Reassembly ... 5-1
5.1 Removing the Top
Casing ... 5-2
5.2 Removing the Power Supply
Unit ... 5-5
5.3 Removing the Main Control
P.W.B ... 5-6
5.4 Disassembly and Reassembly of Printer
Mechanism ... 5-8
5.4.1 Removing the Print
Head ... 5-8
5.4.2 Mounting and Adjusting the Print
Head ... 5-10
5.4.3 Removing the Carriage Stepping Motor
Block ... 5-12
5.4.4 Mounting the Carriage Stepping Motor
Block ... 5-14
5.4.5 Removing the Paper Feed Stepping Motor
Block ... 5-17
5.4.6 Removing the Carriage Home Position Sensor
Block ... 5-20
5.4.7 Mounting and Adjusting the Carriage Home Position
Sensor Block ... 5-20
Chapter 6
Maintenance ... 6-1
6.1 Tools and Measuring Instruments
Required ... 6-1
Tools ... i ... 6-1
Measuring
Instruments ... 6-1
6.2
Maintenance ... 6-1
Cleaning ... 6-1
Checks ... 6-2
6.3
Lubrication ... 6-2
Types of
Lubricants ... 6-2
Lubrication
Standards ... 6-2
Parts to
Lubricate ... 6-2
Chapter 7
Troubleshooting ... 7-1
Troubleshooting
Procedures ... 7-1
Chapter 8 Spare Parts and
Schematics ... 8-1
Chapter 9 Options - Spare Parts and
Schematics ... 9-1
9.1 Removing the Colour
UniL ... 9-2
9.1.1 Colour Printing
Adjustment ... 9-3
9.1.2 Fuse
Replacement ... 9-3
9.2 Colour Unit
Parts ... 9-5
9.3 Colour
P.W.B ... : ... 9-6
9.4 Single-Bin Sheet Feeder
Parts ... 9-9
9.5 Two-Bin Sheet Feeder
Parts ... 9-11
9.6 Motor Driver
P.W.B ... 9-12