Index Everest-D User Manual

Version 2.0
Page 1
INDEX EVEREST SERVICE MANUAL
Index Braille Printer Company
Table of contents
1. Mechanics 2
1.1 Disassembling 2
1.1.1 Backplate 2
1.1.2 Expose the main board 3
1.1.3 Open the front panel cover 3
1.1.4 Right casing 4
1.1.5 Left casing 4
1.1.6 Remove the main board 5
1.1.7 Loosen the front panel cover 5
1.1.8 Fan 6
1.1.9 Front panel cover indicator 6
1.1.10 Transformer 7
1.1.11 Roll bearing, left side. 7
1.1.12 Stepper motor, paper feeding 8
1.1.13 Driving belt 8
1.1.14 Pulleys 9
1.1.15 Right roll bearing 9
1.1.16 Roll axle 10
1.1.17 Printing head 10
1.1.18 Front panel board 11
1.1.19 Printing head board 11
1.1.20 Steering dowels 12
1.1.21 Plastic films 12
1.1.22 Hammers 13
1.1.23 Casing 13
1.1.24 Back bar 14
1.1.25 Rubber damper 14
1.1.26 Anvils 15
1.1.27 Axle 15
1.1.28 Gliding bearings 16
1.1.29 Stepper motor, printing head 16
1.1.30 Gear wheel, printinghead motor 17
1.1.31 Reference pulse sensor 17
1.1.32 Gear wheel, paper feeding 18
1.1.33 Sheet feeder 18
2. Service instructions 19
2.1 Adjust printing head
reference pulse offset 19
2.2 Internal printer test program 19
2.3 Front panel 19
2.4 Hammer configuration 20
2.5 Fault messages. 20
2.5.1 Failure "100" No reference-pulse 20
2.5.2 Failure "Front panel open". 20
2.5.3 Failure "Paper length fault". 20
2.5.4 Failure "Paper jam". 20
2.5.5 Failure "140". 20
2.5.6 Failure "150" 20
2.5.7 Failure "160" 20
2.5.8 Failure " 170" 21
2.6 Reference pulse offset. 21
2.7 Paper sensor adjustment 21
2.8 Voltage compensation. 21
2.8.1 Run Volt 21
2.8.2 Change parameters 22
2.8.3 Send file to Everest 22
3 Printer modules 24
3.1 Screws nuts and glue 24
3.2 Printinghead 24
3.3 Chassis 24
3.4 Transmission 25
3.5 Shipping material 25
3.6 Electronics 25
3.7 Component locations 26
4 Electronic components 31
4.1 Printinghead board 31
4.2 Main board 33
5 Shematic descriptions 36
5.1 Mainboard layout 36
5.2 CPU 37
5.3 Memory map decoding 38
5.4 Dynamic Ram 39
5.5 EPROM & EEPROM 40
5.6 Stepper motor drivers -
printinghead interface 41
5.7 Keyboard Indterface &
Speech synthesis 42
5.8 Centronics interface 43
5.9 RS-232 44
5.10 Power supply 45
5.11 Printing head - paper indicator 46
5.12 Printing head - solenoid drivers 47
6 Cables 48
6.1 Serial communication 48
6.1.1 RS232-C circuit summary. 48
6.1.2 Index RS232-C configuration 49
6.1.3 Cable INDEX IBM-PC 49
6.1.4 Cable INDEX-AT 49
6.1.5 Cable configuration
Index - Apple McIntosh 50
6.2 Centronics interface 50
6.2.1 Centronics inteface standard 50
7 Disassembling flowchart 51

Index Everest-D Specifications

General

Brand	Index
Model	Everest-D
Category	Printer
Language	English

Summary

Mechanics

Disassembly Overview

General guide to disassembling the printer, starting with basic steps.

Internal Component Removal

Procedures for removing the main board, fan, transformer, and bearings.

Paper Feed and Printing Head Removal

Steps for removing paper feed motor, driving belt, printing head, and related parts.

Chassis and Mechanical Parts

Procedures for removing casing, hammers, back bar, anvils, and axles.

Service Instructions

Adjustments and Test Programs

Covers printing head adjustment, test programs, and front panel troubleshooting.

Fault Message Diagnosis

Lists and explains various fault messages and their troubleshooting steps.

Calibration and Configuration

Details sensor adjustment, voltage compensation, parameter changes, and file transfers.

Printer Modules and Components

Part Lists

Comprehensive lists of screws, nuts, glue, printinghead, chassis, and transmission parts.

Electronics and Shipping

Lists of electronic components and shipping materials.

Component Location Diagrams

Visual guides showing the physical placement of printer components.

Electronic Components and Schematics

Component Breakdowns

Detailed lists of components for the printinghead and main boards.

Schematic Diagrams Overview

Overviews of mainboard, CPU, memory, EPROM, interface, and power supply schematics.

Specific Circuit Schematics

Schematics for stepper motor drivers, keyboard, Centronics, RS-232, and solenoid drivers.

Cables

Serial Communication

Explanation of serial communication standards like RS232-C and its configurations.

Centronics Interface

Overview and standard details for the Centronics parallel printer interface.

Disassembling Flowchart