OHAUS AS142 Instruction Manual Download Page 4

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INTRODUCTION

This manual covers installation and operation for the Ohaus Model AS142 lmpact

Printer. To insure proper operation of the printer, please read this manual completely.

DESCRIPTION

The Ohaus Model AS142 Impact Printer, is a dot-matrix microprinter which can

interface directly to various Ohaus Balances which contain an RS232 lnterface

connector. The printer can be used with Ohaus Balances Models AP, AS, GT, TP, TS,

CT, MB200,

10,

20W, Explorer and Voyager. The printer interface is serial,

RS232 compatible. Internal DIP switches can be set to baud rates from 150 to 9600.

Additional internal switches are used to set parity and handshaking. There are two

LED lamps, Power and SEL indicators, and two push button switches, SEL select on/

off line and LF line feed switch. The printer utilizes an impact dot matrix head in a 5 x

7 format with 42 characters per line, and can print one line per second. Ribbon life is

10,000 lines. Printing paper width is 2.25 “/5.7cm. Power is supplied through an AC

Adapter which is included and provides 9 volts dc, 1 A to the printer.

Summary of Contents for AS142

Page 1: ...Instruction Manual MODEL AS142 Impact Printer Ohaus Corporation 29 Hanover Road Florham Park NJ 07932 0900...

Page 2: ...UNICATIONS HOWEVER THERE IS NO GUARANTEE THAT INTERFERENCE WILL NOT OCCUR IN A PARTICULAR INSTALLATION IF THIS EQUIPMENT DOES CAUSE HARMFUL INTERFERENCE TO RADIO OR TELEVISION RECEPTION WHICH CAN BE D...

Page 3: ...onment 5 Controls 5 OPERATION Indicators and Switches Operation 6 Self Test Mode 6 On Off Mode 6 Baud rate Selection 7 Parity Selection 7 Serial Interface Connection 8 Ribbon Cassette Loading 8 Loadin...

Page 4: ...AP AS GT TP TS CT MB200 I5 I10 I20W Explorer and Voyager The printer interface is serial RS232 compatible Internal DIP switches can be set to baud rates from 150 to 9600 Additional internal switches a...

Page 5: ...the balance or returning it for service INSTALLATION INSTALLATION INSTALLATION INSTALLATION INSTALLATION Environment Environment Environment Environment Environment The printer should always be used...

Page 6: ...printer If the printer prints out the Self Test sample correctly the printer is working normally If Self Test is wrong the printer or power supply needs repairing Self Test prints out all characters i...

Page 7: ...n the upper right comer of the printed circuit board Baud rate can be selected as shown in the Baud Rate Selection table The switch near the white mark is Sl The factory setting is Sl ON S2 OFF S3 OFF...

Page 8: ...ches Sl S3 2 Select parity with DIP switches S4 S6 Pin No Signal 2 R x D 3 T x D 5 DTR 7 GND 8 CTS PIN SIGNALS OF SERIAL INTERFACE TABLE Ribbon Cassette Loading Ribbon Cassette Loading Ribbon Cassette...

Page 9: ...s may Never lift the left end first This may damage ribbon and printer head damage ribbon and printer head damage ribbon and printer head damage ribbon and printer head damage ribbon and printer head...

Page 10: ...ustration Sometimes the cassette is put in cor rectly but part of the ribbon rides up over the printer head This may be cause by two reasons 1 The paper has been loaded before the ribbon Remove paper...

Page 11: ...ath Wrong Paper Roll Loading Aligning the end of the roll with the printer head Loading Paper Loading Paper Loading Paper Loading Paper Loading Paper 1 The removable cover plate must be taken off for...

Page 12: ...ll go off Then press LF Line Feed button and release it the printer head begins to run Feed in paper The paper enters the printer head and comes out from the top of theprinter head To stop paper feedi...

Page 13: ...dismantle the printer head 2 Do not leave power on when not in use for a long period 3 Switch off if printer does not not work normally 4 Power supply must match the AC Adapter power requirements 5 Do...

Page 14: ...help you SPECIFICATIONS SPECIFICATIONS SPECIFICATIONS SPECIFICATIONS SPECIFICATIONS MODEL AS142 Impact Printer MODEL AS142 Impact Printer MODEL AS142 Impact Printer MODEL AS142 Impact Printer MODEL AS...

Page 15: ...the warranty period During the warranty period Ohaus will repair or at its option replace any component s that proves to be defective at no charge provided that the product is returned freight prepai...