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7-1.

Interface Specifications

This printer has a parallel interface to communicate with the computer.
The operating specifications of the parallel interface are as follows.
(1)

Data transfer rate

1000 to 6000 characters per second

(2)

Synchronization

Via externally supplied STROBE pulses

(3)

Handshaking

ACK and BUZY signals

(4)

Logic level

Compatible with TTL level

7-2.

Interface Timing

Figure 7-1. Interface Timing Diagram

Figure 7-2. Typical Interface Circuit

Signal Name

Circuit Example

DATA1-DATA8

(To Printer)

STROBE

(To Printer)

BUZY, ACK

(From Printer)

7.   INTERFACE

Summary of Contents for DP8340RC Series

Page 1: ...DOT MATRIX PRINTER DP8340RC SERIES PARALLEL INTERFACE USERS MANUAL ...

Page 2: ...erference Regulations This digital apparatus does not exceed the Class A limits for radio noise emissions from digital apparatus set out in the Radio Interference Regulations of the Canadian Department of Communications Le présent appareil numérique n émet pas de bruits radioélectiques dépassant les limites applicables aux appareils numériques de la classe A prescrites dans le Règlement sur le bro...

Page 3: ... Ribbon 8 4 2 Removal of Ink Ribbon 9 4 3 Paper Insertion 10 4 3 1 For Roll Paper 10 4 3 2 Roll Paper Installation When using the optional Printer Cover 8340R 11 4 3 3 Validation Option Installation 12 4 4 Roll Paper Removal 12 5 CONTROL CODES 13 6 GENERAL SPECIFICATIONS 20 7 INTERFACE 24 7 1 Interface Specifications 24 7 2 Interface Timing 24 7 3 Connectors and Signals 25 7 4 Setting of DIP Switc...

Page 4: ......

Page 5: ...High speed bidirectional printing 2 line sec 29 or 44 columns per line 3 9 pin print head 4 Parallel interface Centronics compatible 5 Commands for expanded characters inverted characters emphasized characters red and black printing and 10CPI or 15CPI characters etc are provided which makes the printer very versatile 6 Simultaneous Data Communication and Printing 7 2 Peripheral Drivers 8 One line ...

Page 6: ...opening the box check if all necessary accessories are included A Printer B Power Supply Unit Figure 2 1 Unpacking 1 Printer 2 User s Manual 3 Paper Holders 4 Re Roll Prevention Guard 5 Ink Ribbon 6 DIP Switch Cover 1 1 Power Supply Unit 2 User s Manual ...

Page 7: ... 3 2 2 Installation of Paper Holders and Re Roll Prevention Guard Install the Paper Holders in the intermost holes in the rear of the printer Figure 2 2 Installation of Paper Holders ...

Page 8: ...soft cloth soaked in alcohol or benzine Do not use Lacquer thinner Trichlorethelene or Ketone solvents because they may damage plastic parts 6 Use a soft brush etc for cleaning the printer mechanism and PCB 7 Keep hands out of printer while power is on 8 Do not attempt to print when there is no ink ribbon or paper in the unit The print head life could be severly reduced 9 If the paper is fastened ...

Page 9: ... 5 3 PART IDENTIFICATION AND NOMENCLATURE 3 1 Power Supply Unit Figure 3 1 Power Supply Unit DC Power Connector Output Shape of AC Power plug will vary according to destinations ...

Page 10: ... 6 3 2 Printer Figure 3 2 Printer Front View Figure 3 3 Printer Rear View ...

Page 11: ...e printer will go on line after turning power on 8 FEED Button Momentary operation of this button provides one line feed Pressing this button continuously will cause continuous paper feed If power is turned on while pressing this button self printing 1 will be performed 9 Interface Connector Connects the printer to host computers Check that both computer and printer are off before connecting 10 DI...

Page 12: ...n Whilekeepingtheribbontaut wrap one side around the black ribbon guide on the end of the platen and droponespoolonthespoolshaft Asyoumovethespooldownwards move the detecting lever aside to allow the spool to drop into place Make sure the spool drive pins engage with the spool drive holes As the spool drops into place there will be a click 3 While continuing to hold the ribbon taut install the rem...

Page 13: ...ently rotating it until the ribbon sags Push the ribbon detecting lever out lift the spool until it comes off the shaft Remove the second spool in a similar manner Do not apply excessive force when lifting spools Ribbon Life Description Ribbon life Black SF 03B Approx Fuji Kagakushi 0 8 million Kogyo Co Ltd characters ...

Page 14: ...ch the Roll Paper to the Holders Paper by slipping one side of the roll onto the Hub and pulling the other Hub out to allow the roll to slip in place 3 Insert the paper evenly into the Paper Insertion Slot 4 Turn the Power Switch ON and press the FEED Button The paper will be fed into the unit Figure 4 4 Paper Insertion 1 Figure 4 5 Paper Insertion 2 ...

Page 15: ...up and remove it Note Be careful not to touch the print head immediately after printing because it can get very hot 2 Insert paper into the printer and feed the paper so it extends 3 inches or more above the top surface of the printer 3 Insert the paper into the slot in the Printer Cover 8340R 4 Install the Printer Cover 8340R on the printer Figure 4 6 Replace the Printer Cover Figure 4 7 Printer ...

Page 16: ...e control code GS in Chapter 5 3 Insert the material to be validated against the right side of the slot in the Printer Cover 8340R Figure 4 8 Insertion of Material to be validated 4 4 Roll Paper Removal Cut the paper close to the slot and use the feed button until paper has passed completely through the printer Note Do not try to remove the paper by hand as it could become crooked and get jammed i...

Page 17: ...TLINE This code causes the printer to print expanded characters twice as wide as the regular ones This remains in effect until a DC4 code is received CODE DC4 14 H FUNCTION Release from expanded characters OUTLINE The expanded character instruction is released by the DC4 code and the succeeding data is printed as regular width characters CODE ESC 1 1B H 2D H 01 H or 1B H 2D H 31 H FUNCTION Underli...

Page 18: ... CODE ESC E 1B H 45 H FUNCTION Emphasized print mode instruction OUTLINE Data following this command is printed with emphasized characters In this mode characters are printed in a single direction CODE ESC F 1B H 46 H FUNCTION Release from emphasized print instruction OUTLINE Emphasized print is released CODE ESC 4 1B H 34 H FUNCTION Red character print instruction OUTLINE This command causes subs...

Page 19: ...ialization the page length default condition will be 42 lines The line feed pitch is one sixth inch CODE ESC Nn 1B H 4E H n FUNCTION Sets bottom margin in lines OUTLINE Upon receiving this code the bottom margin is set to n lines 0 n 120 Default Value n 0 CODE ESC O 1B H 4F H FUNCTION Cancels bottom margin OUTLINE Upon input of this code bottom margin setting is cleared CODE FF 0C H FUNCTION Form ...

Page 20: ...tion OUTLINE This command sets the pulse duration for peripheral unit drive Paper Cutter Take Up Device cash drawer etc Pulse Duration 10 n1 ms Delay 10 n2 ms 1 n1 127 1 n2 127 Default value n1 n2 20 Executed by BEL code and FS code after printing CODE BEL 07 H FUNCTION Trigger peripheral unit drive 1 Deferred OUTLINE Causes a peripheral drive 1 pulse to be generated This code is normally stored i...

Page 21: ...MARKS It is impossible to drive peripheral devices 1 and 2 at the same time CODE CAN 18 H FUNCTION Clears print buffer OUTLINE Upon input of this code the data buffer and line buffer are cleared CODE ESC P 1B H 50 H FUNCTION Select 10 CPI OUTLINE This code causes the printer to print at 10 CPI The number of columns per is 29 CODE ESC M 1B H 4D H FUNCTION Select 15 CPI OUTLINE This code causes the ...

Page 22: ...the end of the va lidation mode Afterthematerialtobevalidatedisinserted and the LF button is pressed the validate line is printed followed by a single line feed When the check is removed and the ON LINE button is pressed the printer returns to regular mode and is set to ON LINE status REMARKS 1 The print settings by commands such as emphasized mode and underline mode are invalid only during val id...

Page 23: ...2 ESC 5 1B H 35 H Red character print release 13 ESC a n 1B H 61 H n n line feed instruction 14 ESC C n 1B H 43 H n Sets page length in lines 1 n 120 default n 42 15 ESC N n 1B H 4E H n Set bottom margin in lines 0 n 120 default n 0 16 ESC O 1B H 4F H Cancel Bottom margin 17 FF 0C H Form feed 18 ESC 1B H 40 H Printer initialization instruction 19 ESC BEL 1B H 07 H Set peripheral unit drive 1 pulse...

Page 24: ...ots Block graphics 5 6 dots Graphic Feed Not Available Character size 10CPI 2 00 H 2 42 V mm 15CPI 1 32 H 2 42 V mm Character spacing 10CPI 2 55 mm 1 10 inch 15CPI 1 70 mm 1 15 inch Dot spacing 10CPI H 0 425 mm V 0 353 mm 15CPI H 0 340 mm V 0 353 mm Gross dot 10CPI 174 dots wire line 15CPI 220 dots wire line Print area 10CPI 73 53 mm 15CPI 74 46 mm Print Buffer Approx 1 5 KB Interface Parallel Int...

Page 25: ...core One line validation Check Refer to Fig 6 2 Paper width 70 to 90 mm Thickness 0 1 to 0 15 mm Requires the optional Printer Cover 8340R Ink ribbon specification Color Black and red Black only Ribbon material Nylon 40 denier Ribbon size 13mm 6m Spool 13mm width 35mm in diameter two spool Recommended ribbon SF 03BR Black and red SF 03B Black manufactured by Fuji Kagakushi Kogyo Co Ltd or approved...

Page 26: ... 22 Figure 6 1 Roll Paper and Print Area Figure 6 2 Material to be validated and One Line Validation Printing ...

Page 27: ... 23 Shape of AC Power plug will vary according to destinations Figure 6 3 External Dimensions Printer Figure 6 4 External Dimensions Power Supply Unit 120mm 2 0m 36mm 60mm ...

Page 28: ...ta transfer rate 1000 to 6000 characters per second 2 Synchronization Via externally supplied STROBE pulses 3 Handshaking ACK and BUZY signals 4 Logic level Compatible with TTL level 7 2 Interface Timing Figure 7 1 Interface Timing Diagram Figure 7 2 Typical Interface Circuit Signal Name Circuit Example DATA1 DATA8 To Printer STROBE To Printer BUZY ACK From Printer 7 INTERFACE ...

Page 29: ...set 1 Data being entered 2 Off line 3 Error condition 12 PAPER OUT This signal is normally LOW It will go HIGH OUT if the printer runs out of paper 13 SELECTED OUT ThissignalisHIGHwhentheprinterisonline 14 15 N C Unused 16 SIGNAL Signal ground GND 17 CHASSIS Chassis ground isolated from logic ground GND 18 N C Unused 19 30 GND Twisted pair return signal ground level 31 RESET IN When this signal go...

Page 30: ...t should be set to OFF when a monochrome ribbon is used International Character Set SW NO USA France Germany England Denmark Sweden Itary Spain 6 ON OFF ON OFF ON OFF ON OFF 7 ON ON OFF OFF ON ON OFF OFF 8 ON ON ON ON OFF OFF OFF OFF Note When DIP Switches 1 is set to OFF the printer always selects the Japan international character set regardless of the status of DIP Switches 6 7 and 8 When DIP Sw...

Page 31: ...l devices 1 and 2 at the same time Printer side Note Make sure that the metal structural parts of the peripheral device are connected to frame Ground Pin 1 to provide a static drain path 2 Control code Codes for Drive Circuit control are ESC BEL n1 n2 BEL FS and SUB Refer to the Control Codes in Section 5 7 6 Error ConditionAlarm Mode If an error condition is detected during operation the printer ...

Page 32: ...25V to 6800µF 25V must be connected across the output of the power supply Note 2 A DC power plug is available as an option Reference Design the power supply referring to the power supply circuit shown below Note A line noise filter must be used to prevent line transients from passing through power supply Filter design to be determined by environmental noise requirements 12V GND GND 8 WHEN POWER IS...

Page 33: ... 29 VAC 14V C2 100 200µF 25V VDC 12V ZD1 VZD 14V 1W IAC 2 3A C3 4700 6800µF 25V C1 6800µF 25V TR1 2SD633 TOSHIBA Other parameters may be determined by user Figure 8 1 Power Supply Reference Circuit 10 5 ...

Page 34: ... 30 9 CHARACTER CODE LIST 1 U S A Europe DIP SW1 ON ...

Page 35: ... 31 ...

Page 36: ... 32 2 JAPAN DIP SW1 OFF ...

Page 37: ... 33 ...

Page 38: ... 34 International Character Sets ...

Page 39: ... 35 ...

Page 40: ...ess the following URL http www star micronics co jp service sp_sup_e htm for the lastest revision of the manual OVERSEAS SUBSIDIARY COMPANIES STAR MICRONICS AMERICA INC 70 D Ethel Road West Piscataway NJ 08854 U S A Tel 732 572 9512 Fax 732 572 5095 STAR MICRONICS U K LTD Star House Peregrine Business Park Gomm Road High Wycombe Bucks HP 13 7DL U K Tel 01494 471111 Fax 01494 473333 ...

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