
Quiet Braille Printer Series
User’s Manual
Nippon Telesoft Co., Ltd.

User’s Manual © Nippon Telesoft Co., Ltd. March 2003.
Preface
Thank you very much for purchasing a Gemini.
This printer is capable of printing both in Braille and in ink characters simultaneously.
Before using the printer, please read this user’s manual carefully.
If there is anything that you don’t understand about using the printer, or if you find mistakes or
omissions in this user’s guide, please contact us by letter, FAX, or telephone. The address and
phone numbers are shown below.
Safety Precautions:
This User’s manual describes safety precautions according to the following level and marks of
warning.
Warning marks Mark to Prohibit Procedures
Warning Caution High
Actions Prohibited Disconnect the
Temperature
This precaution must be followed, or it could be a cause of fire or
power plug
Warning
【
Caution
【
・ Unauthorized reproduction of this document, in whole or in part, is strictly prohibited.
・ Modifications to the contents of this document for improvements or revisions may be
made without prior notification.
・ Product liability is limited within the country of original purchase.
】
】
URL: www.nippontelesoft.com E-Mail: telesoft@telesoft.co.jp
electrical shock which could result in serious injuries or death.
This precaution must be followed, or it may be a cause of electrical
shock and/or any other accidents which may result in injuries and/or
partial damage of the products or surrounding assets.
For product inquiries
Nippon Telesoft Co., Ltd.
Hanzomon MK Building 1F 1-8-1 Kojimachi
Chiyoda-ku Tokyo 102-0083 Japan
TEL. +813-3264-0800 FAX. +813-3264-0880

User’s Manual © Nippon Telesoft Co., Ltd. March 2003.
Table of Contents
Chapter 1 – Overview of the Gemini.............................................................................1
1. Names and Functions of All Components ......................................................................................1
1.1 Full View Illustration of the Product........................................................................................1
1.2 Illustration of reverse side ........................................................................................................2
2. Operation Panel...............................................................................................................................3
3. Alarms..............................................................................................................................................4
Chapter 2 – Setup..........................................................................................................5
1. Service Precautions (at setup time)................................................................................................5
2. Installation Space............................................................................................................................5
3. Operating Environment..................................................................................................................6
4. Precautions For Moving..................................................................................................................6
Chapter 3 – Connecting the Printer..............................................................................7
1. Cautions...........................................................................................................................................7
2. Insertion of the Electrical Cord......................................................................................................7
3. Attachment of the Data Input Connectors.....................................................................................7
Chapter 4 – Handling of Supplies..................................................................................8
1. Types of Paper Supported...............................................................................................................8
2. Loading Continuous Feed Paper ....................................................................................................9
3. Type of ink ribbon cassette that can be used .................................................................................9
4. Changing the ink ribbon cassette.................................................................................................10
Chapter 5 – Methods of Operation............................................................................... 11
1. Printing Procedures ......................................................................................................................11
Chapter 6 – Maintenance ............................................................................................ 13
1. Printing a Test Page......................................................................................................................13
2. Changing the Fuse........................................................................................................................14
Chapter 7 – Trouble Shooting...................................................................................... 15
1. Procedures for Dealing with Each Incident.................................................................................15
Printer Will Not Power Up............................................................................................................15
In case of a paper jam....................................................................................................................15
Printing Will Not Start (Unable to Receive Data)........................................................................16
Not Printing the Data Properly ....................................................................................................16
Printing is out of Alignment..........................................................................................................17
Ink Printing is Too Light...............................................................................................................17
Wrinkles between the Braille Dots...............................................................................................17
Stops during Printing....................................................................................................................17
Procedures for Error Alarms.........................................................................................................18
Chapter 8 – Printer Specifications............................................................................... 19

User’s Manual © Nippon Telesoft Co., Ltd. March 2003.
Chapter 1 – Overview of the Gemini
1. Names and Functions of All Components
1.1 Full View Illustration of the Product
PaperCutterHandle
Operation Panel
For details, refer to the Switch Panel explanation.(Page 3 - Chapter 1-2)
OperationPanel
PaperFeedHandle
Paper Feed Handle
By turning this handle paper will be fed into the printer.
Paper Cutter Handle
Press down on the handle to pull off paper at desired length.
Caution
【
1
: Always turn off the electrical power before turning the Paper Feed
】
Handle.

User’s Manual © Nippon Telesoft Co., Ltd. March 2003.
1.2 Illustration of reverse side
ElectricalCable
RS‑232C
USB
Fuse
Parallel
Electrical cable
This is the cable to connect to electrical power. Insert the plug into an electrical outlet.
Fuse
The fuse is located here. Should the fuse burn out, replace it.
Requirement
【
:Always turn off the power and disconnect the power cable before
】
changing fuse.
RS-232C
This is the 25-pin D-shell RS-232C communications connector.
(Please use a cross cable.)
Parallel
This is the 36-pin parallel port communications connector.
D‑SUB
9pinfemale
1 4
2 2
3 3
4 6
5 7
6 20
7
8
SHELL SHELL
D‑SUB
25pinmale
5
8
1
USB
This is the USB communications connector.
(It is impossible to use USB but for the upgraded version after Windows 2000 only.)
2

User’s Manual © Nippon Telesoft Co., Ltd. March 2003.
2. Operation Panel
ElectricalPowerSwitch
Power
ElectricalPowerLamp
PaperSet
Frontside
PaperPL
Backside
Electrical Power Switch
By pressing |, the power is turned on, and turned off by pressing O.
OutofPaperLamp
LoadPaperSwitch
Electrical Power Lamp (Green Color)
Green light indicates power “ON”.
Out of Paper Lamp (Orange Color)
Orange light indicates paper unloaded. It turns off when loaded.
Load Paper Switch
This switch will advance the paper to the proper position for printing. This switch is also
used for test printing.
3

User’s Manual © Nippon Telesoft Co., Ltd. March 2003.
3. Alarms
When electrical power is turned on
When there is no paper loaded: one short beep followed by another short beep
When paper is loaded: two long beeps
When test printing: two short beeps followed by two more short beeps
When the Load Paper Switch is pressed
When paper loading completes: One long beep
When paper doesn’t load: a 2-second long beep
Startup Error Alarm
Three short beeps followed by three more short beeps
Communications Error Alarm
Two short beeps followed by two more short beeps
Incorrect data input error alarm
Four short beeps followed by four more short beeps
4