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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
Summary of Contents for Everest-D
Page 37: ...Version2 0 Page37 INDEXEVERESTSERVICEMANUAL IndexBraillePrinterCompany 5 2 CPU ...
Page 39: ...Version2 0 Page39 INDEXEVERESTSERVICEMANUAL IndexBraillePrinterCompany 5 4 Dynamic Ram ...
Page 40: ...Version2 0 Page40 IndexBraillePrinterCompany INDEXEVERESTSERVICEMANUAL 5 5 EPROM EEPROM ...
Page 44: ...Version2 0 Page44 IndexBraillePrinterCompany INDEXEVERESTSERVICEMANUAL 5 9 RS 232 ...
Page 45: ...Version2 0 Page45 INDEXEVERESTSERVICEMANUAL IndexBraillePrinterCompany 5 10 Power supply ...