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Centronics Manuals
Printer
101
Technical manual
Centronics 101 Technical Manual
Serial impact printer
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:
Operator's manual
(15 pages)
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Contents
Table of Contents
Bookmarks
Table of Contents
Table of Contents
Figure Page
General Description
Logic Flow Diagram
Printer Operation
Character Printing
Paper Movement
Printing the Letter (H)
Special Functions
1.4 Specifications Summary
1.5 Physical Description
Rear View of 101 Printer
Rear View (101 Electronics Cavity Removed)
Section 2 and
Installation and Operation
Site Preparation
2.2 Shipping Crate
Theory of Operation
Introduction
Basic Timing
Functional Flow Chart
Initializing the Printer
Prime Circuit
Prime Timing
Select Circuit
46 Select Circuit
Loading Data
Data Strobe
Acknowledge
Busy Timing
Clocking I Nput Data into the Buffer
Function Decoder
Busy Circuit
Function Decoder
Character Printing
Initiating the Printer Operation
Print Head Motion
Character Registration and Timing
Character Generator (ROM)
Print Head Operation
Character Timing
Character Registration and Timing Circuit
Power Driver Circuit
Print Head Timing
Terminating the Printing Operation
Paper Movement
Form Feed
Vertical Tab
Vertical Format Unit
Form Feed and Vertical Tab Timing
Line Feed Solenoid Driver
Special Functions
Bell
Delete
Paper Empty
Paper Empty
Location of Motor Control Circuit
Motor Control Timing
Power Supplies
Regulator (Schematic No. 63011143)
Power Distribution Diagram
And -12V Regulators (Schematic No. 63002308)
Removal, Replacement and Adjustment Procedures
Introduction
Mechanical Assemblies
Cover (A)
Carriage Mechanism (HA)
Driving Mechanism (HB)
Spring Drum (HC)
Damper (HD)
Frame (HE)
Paper Feed Mechanism (HF)
Bushing End-Play Adjustment for Preload Clutch Shaft (HB-50)
Form Feed Mechanism (HH)
Fence Adjustment and Optic Housing
Vertical and Horizontal Alignment of Single Channel Optics Housing
Location of Left Reed Switch (Top View)
Removal of Belt (32) Idler Slide (28), and Drive Pulley
Adjustment for Paper Holder Gate
Ribbon Feed Mechanism (HI)
Ribbon Feed Mechanism (HI)
5.2.12 Paper Stacker and Guide
Printer Head and Associated Assemblies
Electrical Adjustments (Model 101/101A)
Mechanical Adjustments
Preventive Maintenance (P .M.)
Recommended Tools
Troubleshooting Guide
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See also:
Operator's Manual
MODEL 101 PRINTER
MAY 1978
Centronics No. 37400010 Rev. H
I:EnTROnll:S
data computer corp.
HUDSON, NEW HAMPSHIRE 03051
TELEPHONE (603)
88_3 -
0111
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