Desk printer DP 24-40 User's Manual
Contents
1. Absorption Environmentals conditions Operating temperature Operating humidity Storage temperature humidity Options Normal or reverse Normal and extended 57 5 0 5mm x 60 max RS232 serial Centronics parallel 220 15 50 60 Hz 0 2A 0 C 50 C 35 85 20 C 70 C 10 90 Real time Clock 2 Kbyte EEPROM autocutter DP 24 40 A TECHNICAL CHARACTERISTICS A 2 Overall dimesions DP24 40 Figure 8 i a l D A 3 Overall dimesions DP24 40 with autocutter Figure 9 DP 24 40 B CONNECTORS B 1 DP24 40 printer Serial RS232 The following figure shows the connector area of the DP24 40 printer equipped with RS232 serial interface Figure 10 Legend 1 9 pin standard interface connector For the meaning of the pins please refer to attachment C 1 2 ON OFF switch 3 3 pin standard mains socket B 2 DP24 40 printer Centronics The following figure shows the connector area of the DP24 40 printer equipped with Centronics interface Figure 11 13 PESTINE oe ee ee 25 Legend 1 25 pin standard interface connector For the meaning of the pins please refer to attachment C 2 2 ON OFF switch 3 3 pin standard mains socket usT 7M 31 DP 24 40 INTERFACES C 1 RS232 serial The printer has an RS232 serial interface a2. line buffer it is not printed usT 7M 21 DP 24 40 PRINTER FUNCTIONS ASCII ESCS Hex 1B 53 Enables the printing of seconds The command ESC S enables the printing of seconds when the time is requested with command ESC T When the printer is switched on the default value which determines whether or not the seconds are to be printed is contained in the flag of a byte called the option register this flag can be manipulated by programming using the the two keys on the front panel of the printer ASCII ESC O Hex 1B 4F Transmits operating hours in serial The command ESC O option of software release 5 3 transmits the total operating hours of the printer to the serial port These hours are allocated in the battery driven RAM of the Real Time device fitted inside the printer If therefore there is no Real Time Clock this command will produce no effect In addition if the user utilizes the parallel port the operating hours will not be transmitted since the parallel port is unidirectional The hours begin to increase as soon as the printer is switched on The increase is in actual fact on a minute to minute basis but the printer only counts the completed hours The transmission format is in ASCII standard and four characters are transmitted in order of importance The transmission protocol is the same as that set by by the user on the serial interface As there are four characters it can reach a maximum of 9
3. PC with the serial connector J5 internal and an adaptor which is available on request Configuration using PRINT and FEED keys If when the printer is switched on both keys are held down simultaneously the printer enters configuration mode and prints the first modifiable parameter Each time the PRINT key is pressed subsequent to this the variation of the parameter is shown and the its current value is printed After entering the desired parameter press the FEED key to go on to the next parameter and so on Once all the parameters have been entered the printer prints a message to indicate that setting procedure has been completed The configuration of the printer through the keyboard may be disabled by bonding JP1 on the front part of the interface card figure 3 In order to gain access to this loosen the 4 self threading screws on the base of the printer usTiid 10 DP 24 40 INSTALLATION end USE 2 4 Self test To enable the self test hold down the FEED key paragraph 1 3 while switching on the printer The self test consists of the printing of the printer s currently set data a memory check and the printing of the entire set of ASCII characters Figure 4 AUTOTEST WOD Ped ak 2d RGM OK ROM RELEASE 5 3 EEPROM 16 DETECTED SERIAL NUMBER GOOGGR97 TEST DATE 28 81 98 ok SET UF DEFAULT FONT 4 SELECTED CR LF HONOR CR BAUC RATE 1206 STOP EIT 4 PARITY NONE BITS PER CHR CONTROL XON XOFF
4. The command 13 sets the time and date of the clock installed inside the DP 24 40 There are two ways of setting it the first uses the 24 hour clock and the second the 12 hour a m p m clock In the first case the 10 ASCII characters corresponding to the time and date have to be transmitted followed by the command 13 If for example we wish to enter 12 45 of 19 01 93 we have to send the following sequence 1 2 4 5 1 9 0 1 9 3 13 i e 31 32 34 35 31 39 30 31 39 33 13 In the second case the 10 ASCII characters corresponding to the time and date preceded by A or P to indicate ante or post meridian are sent to the printer followed by the command 13 If for example we wish to enter A12 45 of 19 01 93 we have to send the following sequence A 1 2 4 5 1 9 0 1 9 3 13 i e 41 31 32 34 35 31 39 30 31 39 33 13 It is advisable to send the command 00 first normal printing mode in order to erase the print buffer so as to ensure that there were no old characters still in it ASCII Hex 14 Transmits the time and date in serial The command 14 transmits the contents of the Real Time Clock to the printer s serial port in the format of 11 ASCII characters hour minutes day month year CR 0D If the seconds option is enabled the seconds will be transmitted after the minutes This command can only be used if the serial port is being used if the par
5. makes it possible to read in a location of the non volatile memory EEPROM This command can only be used with the serial port as it is bi directional The communication protocol is defined by the dip switches on the serial interface There are 256 legible locations starting from the 00 location up to the FF location The address of the location to be read must be defined before the ESC r command is transmitted i e if we wish to read address 01 we have to transmit in ASCII 01 ESC r or 30 31 1B 72 In reply to this reading the printer tranmits the data of address 01 The reply also is given in ASCII thus if for example address 01 contains A5 we will receive A5 or 41 35 The entire memory bank contains the value 20 by default Since it is a non volatile memory the user can save the data without losing it when the power is switched off usT 7M 23 DP 24 40 PRINTER FUNCTIONS ASCII aadd ESC w_ Hex aadd 1B 77 Writes a piece of data dd in an address aa The command ESC w makes it possible to save a piece of data in a non volatile memory There are 256 locations in which to write starting from 00 to FF The pieces of data too cannot exceed FF 255 and both the addresses and the data must be expressed in ASCII on two bytes To save a piece of data first transmit the address then the data followed by the command ESC w If for example you wish to save the data A5 in address 01 you will
6. transmit 01A5 ESC w or 30 31 41 35 1B 77 The entire memory bank contains the value 20 by default Since it is a non volatile memory the user can save the data without losing it when the power is switched off ASCII dd ESC G Hex dd 1B 47 Writes value dd in option register By means of the command ESC G the printer configuration can be manipulated To do so a byte in ASCII containing the configuration must be transmitted to the printer followed by ESC G The setting byte contains the following bits d7 d6 d5 d4 d3 d2 d1 dO where d0 is used to enable the setting of the Real Time Clock using the keys on the front of the printer If this bit is 0 it disables setting if itis 1 it enables it If the user disables this function the clock will not be affected by variations made either accidentally or deliberately by persons not qualified to do so d1 is used for setting the printing mode normal or reverse If this bit is O printing is in normal mode if itis 1 itis in reverse mode d2 is used in parallel communication and enables the 7 or 8 data bit protocol If this bit is 0 the parallel port accepts 8 bit data if it is 1 the port accepts 7 bit data If the 7 bit protocol is enabled the printer will only be able to print non extended characters i e those from code 0E to code 7F d3 its purpose is to enable the printing of seconds in the clock commands If the bit is 0 the seconds will not be print
7. 3 software and 1 8 for 5 3 software is used to generate the programmable characters The programmable characters go from code 1E to code 1F 4 3 or from code 17 to code 1F 5 3 A programmable character consists of 10 lines of 6 dots each to form a character which corresponds to code 1E therefore you must transmit 10 bytes preceded by ESC J1 The bytes must have the same characteristics as the graphic mode i e X P7 P6 P5 P4 P3 P2 PI d7 d6 d5 d4 d3 d2 di do where x is not used P7 must be fixed at 1 P1 to P6 the graphic dot data if it is at 1 it prints and if it is at O it does not print The P6 bit of the string of points transmitted is printed on the left with the other points running from left to right P6 P5 P4 P3 P2 P1 as illustrated P6 P5 P4 P3 P2 P1 1 byte P6 P5 P4 P3 P2 P1 2 byte P6 P5 P4 P3 P2 P1 3 byte P6 P5 P4 P3 P2 P1 4 byte P6 P5 P4 P3 P2 P1 5 byte P6 P5 P4 P3 P2 P1 6 byte P6 P5 P4 P3 P2 P1 7 byte P6 P5 P4 P3 P2 P1 8 byte P6 P5 P4 P3 P2 P1 9 byte P6 P5 P4 P3 P2 P1 10 byte After the tenth byte the function ESC J finishes If for example we wish the symbol of code 1F to be we must transmit ESC J 2 pieces of data i e 1B 4A 32 52 52 52 7F 52 52 7F 52 52 52 All the data must be transmitted consecutively This type of loading is allocated to the volatile memory thus when the power is switched off the character is zero set and reverts when the prin
8. 999 operating hours it then automatically zero sets and continues counting ASCII ESC T Hex 1B 48 Zero sets total operating hours The command ESC T zero sets the printer s total operating hours If you are using the total hours option it is advisable to use this command immediately after switching on the printer so as to synchronize the operating hours of the printer itself with those of the master device ASCII ESC o Hex 1B 6F Prints total operating hours The command ESC o enters the total operating hours in the line buffer These hours are allocated in the battery driven RAM of the Real Time device fitted inside the printer If therefore there is no Real Time Clock this command will produce no effect The hours begin to increase as soon as the printer is switched on The increase is in actual fact on a minute to minute basis but the printer only counts the completed hours As there are four characters it can reach a maximum of 9999 operating hours it then automatically zero sets and continues counting If for example you wish to write TOTAL HOURS 0123 TEST OK you will send TOTAL HOURS 1B 6F TEST OK The hours are printed in four characters and if there is not enough space in the line buffer they will not be printed usT ai 22 DP 24 40 PRINTER FUNCTIONS ASCII ESC B Hex 1B 42 Sets character font 1 The command ESC B selects the first character font The complete font is printed during
9. Desk printer DP 24 40 User s Manual usT i www custom it DP 24 40 All rights reserved The reproduction of this manual either totally or partially in any form whatsoever whether it be on paper or through computer processes is strictly prohibited Custom Engineering s r l and the resource teams employed in the making of this manual will not be held responsible for any problems arising as a result of improper use of this manual as they guarantee that the information contained in it has been subjected to careful inspection Any suggestions regarding errors in its contents or possible improvements will be greatly appreciated The products are continuously checked and improved For this reason Custom Engineering s r l reserves the right to modify the information contained in this manual without prior notice COD DOME DP24 40 REV 1 10 Copyright 1998 Custom Engineering s r l Italy Custom Engineering Str Berettine 2 43010 Fontevivo PARMA Italy Tel 39 0521 680111 Fax 39 0521 610701 http www custom it Email support custom it GENERAL INFORMATION REGARDING SAFETY Read and keep the following instructions Observe all warnings and follow all instructions attached to the printer Before cleaning the printer disconnect the feed cable Clean the printer with a damp cloth Do not use liquid or spray products Do not operate the printer near to water Do not place the printer on unsteady surfaces I
10. RETURN key is associated with the 0D and 0A commands thus causing the DP 24 40 to print in double spacing To disable this option the printer has to be reset either by switching it off or by transmitting the reset command When the printer is switched on the default value of the CRLF option is contained in the flag of a byte called option register which can be manipulated through the configuration by using the two keys on the front panel of the printer or through the programme from the PC ASCII Hex 11 Graphic mode The command 11 enables the DP 24 40 printer graphic mode i e to print in graphic mode transmit the commamd 11 at the beginning of each line One line for the DP 24 40 printer 24 column model corresponds to 144 horizontal points divided in 24 6 point blocks For the DP 24 40 printer 40 column model one line corresponds to 240 horizontal points divided into 40 6 point blocks For byte format in graphic configuration see paragraph 3 2 Graphics ASCII Hex 12 Prints the time and date This command prints the time and date in the following format hh mmdd mm yy If the expanded or double width formats are selected i e with less than 15 characters per line only the time will be printed If seconds printing is enabled the format will be hh mm ss dd mm yy In any event this command resets the line usT M 18 DP 24 40 PRINTER FUNCTIONS ASCII Hex 13 Sets the time and date in serial
11. TA 7 3 5 ACK id 10 10 11 11 SELECT E AFD 14 ae 14 T ma 17 NDS 17 18 18 GND i ma 1 21 Sa 21 22 Sa 22 23 a 23 24 24 25 SND 25 Figure 15 CUST UM 34 DP 24 40 INTERFACES C 3 Real Time Clock option The Real Time Clock is available as an option Printing and adjustment of the clock are managed by a series of control characters 12 Prints clock 13 Sets clock 14 RTCK transmission in serial ESC T_ Enters the time in the print buffer ESC D Enters the date in the print buffer ESCU Enters the date American style in the print buffer How to adjust the clock using the keyboard The time and date can be adjusted by using the PRINT and FEED keys on the front panel of the printer Setting procedure is as follows 1 hold down the FEED key and simultaneously press the PRINT key The printer will print the time and date with an arrow indicating a digit to be changed 2 each time the PRINT key is pressed the digit indicated by the arrow will increase and the updated version will be printed 3 to select the next digit which requires adjusting press the FEED key again On completion of each operation the printer will print the updated time and date highlighting by means of an arrow the digit currently being selected 4 to terminate setting press PRINT and FEED at the same time or run through all the parameters Lapsed time meter By m
12. TEXT DISABLE ot E TERNAL DEVICE NONE on SERIAL PORT SELECTED ae usT 7M 11 DP 24 40 INSTALLATION end USE 2 5 Maintenance Changing the paper roll To change the paper roll proceed as follows 1 open the top of the printer and place the paper roll in position following the arrow as indicated in figure 5 2 insert the end of the roll in the slit A of the print mechanism 3 press the FEED key B so that a few centimetres of paper come out of the printer 4 insert the end into the slit on the top of the printer and close it Changing the ribbon To change the ribbon proceed as follows 1 open the top of the printer and remove the old ribbon cartridge by pressing down at point A as shown in figure 5 2 insert the new ribbon making sure that it is correctly positioned 3 pull the ribbon tight by turning the knurled knob B and close the top down again Figure 5 usT ai 12 DP 24 40 PRINTER FUNCTIONS 3 1 Printing modes The DP 24 40 printer has two printing modes which can be selected by means of control characters NORMAL and REVERSE figure 6 The basic character matrix is 6 x 10 points Characters may be printed in various formats The table 2 appendix A shows the size of the characters for the respective formats depending on whether the printer is the 24 or 40 column model For further details on the selection of printing modes please refer to the paragraph covering co
13. allel port is being used the printer will not be able to print anything ASCII Hex 17 18 19 1A 1C 1D 1E 1F Prints the 1st 8th programmable character If the hexadecimal character 17 1F is transmitted to the DP24 printer it will print the corresponding programmable character In fact it is possible to programme eight characters which can be printed at any time with the codes from 17 to 1F There are two ways of programming the characters the can be saved in a non volatile memory which stores all the data even when the printer is switched off or alternatively in a memory which is automatically erased when the power is switched off In the first case the user can ask the technicians responsible to programme the eight characters depending on his requirements or the user himself can programme them by using the personalized software supplied by Custom Engineering In the second case the user can form the characters at the same time as he is transmitting the text to be printed the advantage of this approach is that an infinite number of symbols can be associated to a character exactly as the user pleases which he can print and modify as he sees fit If the printer is new or if the characters have not been manipulated the following symbol will be associated with codes 17 1F each time the printer is switched on the above mentioned codes will contain the last characters programmed in the non volatile mem
14. ally a CENTRONICS parallel interface 25 pin rectangular connector For the arrangement of the signals on the connector pins and for connection with Personal Computer cable see appendix C Power supply The DP 24 40 printer has a 1 5 m long power supply cable with a standard plug Check that the mains voltage is compatible with the technical characteristcs of the machine see appendix A 1 Figure 3 DP 24 40 INSTALLATION end USE 2 3 Configuration The printer s default parameters are configured for software release 5 3 by means of either the keyboard or personal computer The parameters affected by configuration are enabling of Real Time Clock setting printing modes no of bits in parallel communication enabling of seconds display CRLF mode enabling of printing of block 1 character sets enabling of lapsed time meter The settings made are saved on the 256 byte EEPROM As an option a 2 Kbyte EEPROM non volatile memory containing 3 blocks one of 300 bytes and two of 700 bytes is available in which information of any kind can be stored Configuration through PC This can be done by using an IBM or IBM compatible computer with a serial output or else by using a programme which can be supplied on request This programme with its pull down menus is user friendly and prompts the operator at each stage of the input procedure For the Centronics parallel version the printer must be connected to the
15. both during and after installation Figure 1 DESCRIPTION 1 3 Product description The DP 24 40 printer fig 1 has an ABS casing with a top covering the paper roll and print head The dimensions of the printer are shown in appendix A The keyboard located on the front of the printer consists of the PRINT and FEED keys and a LED POWER ON Figure 2 PRINT key When this key is pressed when the printer is in serial it transmits control character 0D If the printer has a 2 Koyte EEPROM option see paragraph 2 4 the contents of the memorized blocks are trasmitted FEED key This enables the manual paper feed If pressed briefly wnen the RTCK option is installed the time and date are printed The RS232 interface connection see appendix B ON OFF switch and supply cable are on the back of the printer DP 24 40 INSTALLATION end USE 2 1 Installation procedure 1 Position the printer on a smooth level surface ensuring that there is enough space for changing paper and ink cartridge Check that it is near an electrical socket with normal voltage the power supply cable is 1 5 m long 2 insert the interface connection securing it with the screws provided on the connector itself and connect the power supply plug to the mains 3 insert the supply plug to the mains and turn on the printer 2 2 Connections Logic The DP 24 40 has an RS232 serial interface 9 pin rectangular connector or option
16. e user will not be able to receive the data required since this interface is unidirectional The commands can be transmitted to the printer at any moment but they will only be carried out when the characters previously tramsitted have been printed or the commands previously transmitted have been carried out There are no commands with priority status all the commands are carried out when the circular buffer is free to do so They can be one two or three byte commands The table describes each control character in detail the table lists the page on which the command is described UST lA 14 DP 24 40 PRINTER FUNCTIONS Table 1 Com ASCII ESC R ESC N ESC ESC C ESC P ESC D ESC T ESC U ESCS ESC O ESC H ESC o ESC B ESC b aa ESC r aadd ESC w dd ESC G dd ESC M ESC p ESC m Com HEX n 0B 0D 0F 11 12 13 14 17 2 18 2 192 1A2 1C 1D 1 E23 1 F203 1B 52 1B 4E 1B 40 1B 43 1B 50 1B 44 1B 54 1B 55 1B 53 1B 4F 1B 48 1B 6F 1B 42 1B 62 aa 1B 72 aadd 1B 77 dd 1B 47 dd 1B 4D 1B 70 1B 6D uUsT iM Description Printing in small characters Printing in double width Printing in double height Expanded printing Restores small characters printing Forward feeds one line Forward feeds n lines Prints line buffer Sets CRLF mode Graphic mode Prints time and date Sets time and date in ser
17. eans of this function option available with software release 5 3 implemented in the Real Time Clock the total operating hours of the printer can be memorized It is managed by three control characters only if the RTCK is available ESCO _ Transmits in serial total operating hours ESC o Inserts total operating hours in the line buffer thus enabling this to be printed in any string ESCM Zero sets total operating hours For more information on the control characters which manage the clock see paragraph 3 3 usT ai 35 DP 24 40
18. ed otherwise during the printing phase of the time the seconds will be printed too d4 if the bit is 0 command 0D is carried out if itis 1 the printer ignores the carriage return command d5 this bit enables the printing of the first block heading as soon as the printer is switched on If the bit is O this function is disabled if it is 1 the function is enabled d6 selects the character fonts during printing A logic state 0 selects font 1 while a logic state 1 selects font 2 d7 from software release 5 3 on 0 disables the lapsed time meter while 1 enables it Once the printer has been configured the above described byte in ASCII is transmitted for example byte 00001001 corresponds to 09 the whole string would therefore be 0 9 ESC G orin Hex 30 39 1B 47 All these bits with the exception of bit 7 can be manipulated by programming using the front keys of the printer AE 24 DP 24 40 PRINTER FUNCTIONS ASCII dd ESC M Hex dd 1B 4D Writes value dd in printing mode Using the command ESC M it is possible to manipulate the printing mode by default To do this a byte in ASCII containing the printing mode must be transmitted followed by ESC M The type of writing which can be defined is described in the following table 00 small character printing 01 double width printing 02 double height printing 03 expanded printing If for example you wish to print in double height characters you will se
19. entronics parallel C 3 Real Time Clock option CONTENTS Table contents Table 1 control characters Table 2 technical specifications Table 3 serial output signals Table 4 parallel output signals Figure contents Figure 1 front view Figure 2 keyboard Figure 3 jumper Figure 4 self test Figure 5 paper changing Figure 6 printing modes Figure 7 character sets Figure 8 overall dimesions DP24 40 Figure 9 overall dimesions DP24 40 A autocutter Figure 10 connectors panel DP24 40 serial Figure 11 connectors panel DP24 40 parallel Figure 12 serial connection with PC 9 a 9 pin Figure 13 serial connection with PC 9 a 25 pin Figure 14 parallel connection with PC 25 a 25 pin Figure 15 parallel connection with PC 25 a 25 pin DESCRIPTION 1 1 Removing the printer from its package Open the package and check that a none of the parts have been damaged during transportation b that the ink cartridge is fitted on the printing mechanism and the paper roll is in place c that the supply cable is in the package 1 2 Precautions a Do not print when there is no paper and or ribbon this leads to rapid deterioration of the needles b Do not put objects inside the printer c Do not pull the printer carriage manually when the printer is ON d Before connecting the printer to the mains check that the power supply or system ON OFF switch is in the OFF position e Avoid blows to any part of the printer
20. for example when the printer is switched on or command codes on pressing the PRINT key or connected printer tests usT M 25 DP 24 40 PRINTER FUNCTIONS ASCII ESC W n Hex 1B 57 n Starts saving block n The command ESC W 1B 57 followed by a number from 1 to 3 activates the function for saving a file in one of the three blocks defined by the number n These blocks are contained in a non volatile memory which stores the data even when the power is switched off The length of the files which can be memorized is of 300 bytes for the first block and 700 bytes for the second and third blocks The files can contain all kinds of codes it is therefore possible to store tests data executive commands to the printer auto headings graphic files etc If files exceeding the memory bank capacity are transmitted the extra characters will be printed directly without being saved Loading can be done in either serial or parallel When you have finished loading a block it is advisable to enter the terminating command ESC Z The three blocks stored in this way can either be printed or transmitted in serial If printer commands have been saved these will be carried out as they would normally ASCII ESC V n Hex 1B 56 n Prints block n The command ESC V 1B 56 followed by a number from 1 to 3 prints block n The file continues printing until it reaches the terminating command ESC Z Obviously if the block
21. ial Trasmits time and date in serial Prints 1 programmable character Prints 2 programmable character Prints 3 programmable character Prints 4 programmable character Prints 5 programmable character Prints 6 programmable character Prints 7 programmable character Prints 8 programmable character Sets REVERSE mode printing Sets NORMAL mode printing Resets printer Makes complete cut Makes partial cut Enters date in print buffer Enters time in print buffer Enters date mm dd yy in print buffer Enables printing of second Transmits operating hours in serial Zero sets total operating hours Prints total operating hours Sets character font 1 Sets character font 2 Reads a piece of data at an address Writes a piece of data dd in an address dd Writes value dd in option register Writes value dd in printing mode Transmits option register in serial Transmits print mode in serial DP 24 40 PRINTER FUNCTIONS ESC s 1B 73 Transmits next character in serial ESC W n 1B 57 n Starts saving block n ESC V n 1B 56 n Prints block n ESC E n 1B 45 n Transmits block n in serial ESC Z 1B 5A Block saving completed ESC J n 1B 4A n Loads programmable character n Notes to table 1 1 This command clears the line buffer and for this reason it must not sent after an ASCII string not ended with CR or LF character therefore this string will be deleted 2 Only release software 5 3 3 For softwa
22. is clear or if all the characters are 20 the printer will not print anything The first block also called heading will automatically be printed when the printer is switched on if the auto heading flag is set The user s logo or the name of his company can therefore be printed each time the printer is switched on The three blocks can also be printed one after the other there being a total memory bank of 1700 bytes To recall a block you must enter the command ESC V and the number of the block you wish to recall ASCII ESC E n Hex 1B 45 n Transmits block n in serial The command ESC E 1B 45 followed by a number from 1 to 3 transmits in serial the memory block defined by n If the printer is using the parallel port this command will of course produce no effect The file will be transmitted in its entirety the first block will contain 300 bytes and the second and third blocks 700 bytes each ASCII ESC Z Hex 1B 5A Block saving completed The command ESC Z 1B 5A acts as a terminator for the three memory blocks When the line buffer reads this terminating command during printing it stops printing the block and reverts to normal functioning In the absence of the terminating command the entire block will be printed usT 7M 26 DP 24 40 PRINTER FUNCTIONS ASCII ESC J n Hex 1B 4A n Loads programmable character n The command ESC J 1B 4A followed by a number 1 or 2 for 4
23. is enough to transmit 1B 44 0D The date is transmitted in 8 characters and if there is not sufficient space left in the line buffer it is not printed ASCII ESC T Hex 1B 54 Enters the time in the line buffer The command ESC T is used for entering the time of the Real Time Clock fitted inside the printer in the line buffer The format of the time is hh mm This command can be used for entering the time in the context of a sentence without zero setting the line buffer If for example you wish to write TIME 16 45 TEST OK you will send TIME 1B 54 TEST OK 0D If you only wish to print the time it is enough to transmit 1B 54 0D The time is transmitted in 5 characters and if the seconds option is enabled in 8 characters if there is not sufficient space left in the line buffer it is not printed ASCII ESC U Hex 1B 55 Enters the date mm dd yy in the buffer The command ESC U is used for entering the date American style mm dd yy of the Real Time Clock fitted inside the printer in the line buffer This command can be used for entering the date in the context of a sentence without zero setting the line buffer If for example you wish to write DATE 09 11 93 TEST OK you will send DATE 1B 55 TEST OK 0D If you only wish to print the date it is enough to transmit 1B 55 0D The date is transmitted in 8 characters and if the seconds option is enabled in 8 characters if there is not sufficient space left in the
24. nd 0 2 ESC M or 30 32 1B 4D Automatically the printing mode is changed to the one selected and is stored in the non volatile memory ASCII ESC p Hex 1B 70 Transmits the option register in serial The command ESC p transmits the option register byte to the serial port of the printer Obviously if the printer is using the parallel protocol the command will produce no effect The reply to this question is made in two ASCII bytes containing the option register value If for example we receive 0 9 or 30 39 this means that the configuration will be 00001001 ASCII ESCM Hex 1B 6D Transmits the printing mode in serial The command ESC m transmits the byte containing the printing mode by default to the serial port of the printer Obviously if the printer is using the parallel protocol the command will produce no effect The reply to this question is made in two ASCII bytes containing the option register value If for example we receive 0 2 or 30 32 this means that the printer is in double height printing mode ASCII ESC s Hex 1B 73 Transmits next character in serial The command ESC s 1B 73 sets the printer to transmit the next character it receives If for example we transmit ESC s A the last character A will not be printed but will immediately be transmitted in serial If we use this function in memorizing blocks of text we can simulate a password which would be transmitted
25. nd on clearing the buffer expanded printing is enabled When this printing mode is set the number of characters per line is exactly halved in comparison with small characters a printed line of a 24 column printer therefore contains 12 characters and a 40 column printer contains 20 Expanded characters are 12 dots wide and 20 dots tall The ASCII characters which can be printed as may be seen from the self test start from code 17 to code 1F ASCII Hex 04 Restores normal printing The command 04 is used for reverting to printing in small characters it is identical to 00 and is used when it is impossible to use the latter If for example double height or double width printing had been set and the user wishes to return to printing in small characters he she transmits the code 04 This command clears the print buffer For this reason this command must not be transmitted after an ASCII string otherwise the string will be erased It is better therefore to transmit the command 04 after a CR 0D so that the string is printed first and on clearing the buffer small character printing is restored A small character is 6 dots wide and 10 dots tall The ASCII characters which can be printed as may be seen from the self test start from code 17 to code 1F ASCII Hex 0A Forward feeds one line The command 0A forward feeds the printer by one line If there are any characters in the line buffer the buffer itself is automaticall
26. nd current loop It is connected by means of a rectangular female 9 pin connector The signals on the connector pins are shown in table 3 The pins which are not indicated are not connected Table 3 Pin 1 oOo kh W NY EN Signal DCD TXD RXD GND DSR RTS 12V Direction OUT OUT IN OUT OUT OUT To DCD RXD TXD GND DSR CTS Description Data Carrier Detect Printer On active at level RS232 high Receive Data Serial output from Host Transmit Data Serial data input towards Host Not connected Signal ground Data Set Ready Printer on and operating active at RS232 level high Not connected Clear to Send Ready to receive data active at RS232 level high Optional Output 12 V 200 mA connected on request The following diagrams illustrate some connection examples between printer and Personal Computer with 9 and 25 pin connector rispectively Figure 12 Figure 13 DCD 3 RXD 2 3 TxD 3 SIGHAL GHD s DSR 7 7 8 cia 8 om DP 24 40 gt Pc DSR SIGNAL GND Wow an e Ae wooo on A e DP24 40 DP 24 40 INTERFACES C 2 Centronics parallel The printer can be equipped with a CENTRONICS parallel interface The connection is made with a rectan gular female 25 pin connector The signal layout is exactly the same as that u
27. ne is exactly halved in comparison with small characters a printed line of a 24 column printer therefore contains 12 characters and a 40 column printer contains 20 Double width characters are 12 dots wide and 10 dots tall The ASCII characters which can be printed as may be seen from the self test start from code 17 to code 1F usT 7M 16 DP 24 40 PRINTER FUNCTIONS ASCII Hex 02 Double height printing The command 02 is used to activate double height printing This command clears the print buffer and for this reason it must not be transmitted immediately after an ASCII string otherwise this string will be erased It is better therefore to transmit the command 02 after a CR 0D so that the string is printed first and on clearing the buffer double width printing is enabled When this printing mode is set the number of characters per line remains 24 for the 24 column printer and 40 for the 40 column printer Double height characters are 6 dots wide and 20 dots tall The ASCII characters which can be printed as may be seen from the self test start from code 17 to code 1F ASCII Hex 03 Expanded printing The command 03 is used to activate expanded printing This command clears the print buffer and for this reason it must not be transmitted immediately after an ASCII string otherwise this string will be erased It is better therefore to transmit the command 03 after a CR 0D so that the string is printed first a
28. ntrol characters paragraph 3 3 Figure 6 6 et 2 3149 S31 c6ragees AJAHAN WIds5 3193130 Z WOsd33 S 35837349 Woe i AQ Hoa AUT TEST HOD DP 24 k 24 ROM OK ROM RELEASE 35 3 EEPROM 2 DETECTED SERIAL NUMBER 69008495 TEST DATE 87 12 94 be at 72 dd OM LSSLOinNe NORMAL REVERSE Cust ail 13 DP 24 40 PRINTER FUNCTIONS 3 2 Graphics The size of the graphic point and the number of points per line vary depending on the number of columns see table appendix A To obtain a graphic printout enter the command 11 at the beginning of each line The graphic configuration byte format is as follows x R P6 P5 P4 P3 P2 P1 D7 D6 DS D4 D3 D2 D1 D where X is not utilized R must be set at 1 P1 P6 are the data of the graphic points 1 prints 0 does not print The P6 bit of the string of points transmitted is printed on the left and the others P5 P4 P3 P2 P1 follow from left to right as shown 1st byte 2nd byte 3rd byte P6 P5 P4 P3 P2 P1 P6 P5 P4 P3 P2 P1 P6 P5 P4 P3 P2 P1 To print a line of points transmit 11 N x 7F where N is the number of characters per line OD To print an empty line transmit 11 40 OD 3 3 Control characters Table 1 lists all the commands for function management of the DP 24 40 printer These commands can be transmitted to the printer with either the serial or parallel interface if however the parallel interface is used th
29. ory usT 7M 19 DP 24 40 PRINTER FUNCTIONS ASCII ESC R Hex 1B 52 Sets the printer in reverse mode The command ESC R selects reverse mode printing In reverse mode printing the ticket comes out of the printer with the writing right side up and running from left to right When the printer is switched on the default value is selected by the flag of a location called the option register this flag can be manipulated by programming using the the two keys on the front panel of the printer with which the default value can be changed and it can be decided whether the printer is to be in reverse or normal mode when it is switched on ASCII ESC N Hex 1B 4E Sets the printer in normal mode The command ESC N selects normal mode printing In normal mode printing the ticket comes out of the printer with the writing upside down and running from right to left When the printer is switched on the default value is selected by the flag of a location called the option register this flag can be manipulated by programming using the the two keys on the front panel of the printer with which the default value can be changed and it can be decided whether the printer is to be in reverse or normal mode when it is switched on ASCII ESC Hex 1B 40 Resets the printer The command ESC resets the printer software This command is identical to the hardware reset command and can be used for re initializing the printer s
30. parameters Obviously after this command the receiving buffer is zero set and all the data transmitted to the printer is lost Once the command has been transmitted approximately 1 5 seconds pass before the printer becomes active again The reset command can be useful when the system is switched on in order to avoid false characters which would corrupt the printer s receiving buffer from being sent during the master device s initializing phases ASCII ESC C Hex 1B 43 Makes the complete cut The cutter must be installed if it isenabled this command prompts the complete cut of paper The FEED motor is stopped to ensure that the paper does not jam during cutting ASCII ESC P Hex 1B 50 Makes the partial cut The cutter must be installed if it isenabled this command prompts partial cutting of the paper i e the receipt remains loosely attached The FEED motor is stopped to ensure that the paper does not jam during cutting usT 7M 20 DP 24 40 PRINTER FUNCTIONS ASCII ESC D Hex 1B 44 Enters the date in the buffer The command ESC D is used for entering the date of the Real Time Clock fitted inside the printer in the line buffer The format of the date is dd mm yy This command can be used for entering the date in the context of a sentence without zero setting the line buffer If for example you wish to write DATA 11 09 93 TEST OK you will send DATA 1B 44 TEST OK 0D If you only wish to print the date it
31. re release 4 3 respectively 1 and 2 programmable character ASCII Hex 00 Printing in small characters The command 00 is used for reverting to printing in small characters If for example double height or double width printing had been set and the user wishes to return to printing in small characters he she transmits the code 00 This command clears the print buffer For this reason this command must not be transmitted after an ASCII string otherwise the string will be erased It is better therefore to transmit the command after a CR 0D so that the string is printed first and on clearing the buffer small character printing is restored In many user applications the character 00 is transmitted as a piece of calculation data or as a numerical value automatically erasing the string preceding it A small character is 6 dots wide and 10 dots tall The ASCII characters which can be printed as may be seen from the self test start from code 17 to code 1F ASCII Hex 01 Double width printing The command 01 is used to activate double width printing This command clears the print buffer and for this reason it must not be transmitted immediately after an ASCII string otherwise this string will be erased It is better therefore to transmit the command 01 after a CR 0D so that the string is printed first and on clearing the buffer double width printing is enabled When this printing mode is set the number of characters per li
32. rofessional or laboratory nature It is suitable for POS weighing system receipts not for tax purposes as well as for security controlling and diagnostics purposes It has an 8 needle rapid impact printing mechanism witch uses 57 5 mm wide ordinary paper rolls and can be equipped with a cutter DP24 40 A with complete or partial cut facility A special feature of the DP24 40 printer is the fact that it is extremely light weight and has an internal power supply It can be personally programmed and is thus able to meet all possible requirements It has a 150 byte print buffer and as an option can be equipped with a 2Kbyte EEPROM Its standard interfaces are RS232 serial and CENTRONICS parallel It can in addQition be equipped with a Real Time Clock It comes in three colours and two models with 24 and 40 columns CONTENTS General Contents 1 Description 1 1 Removing the printer from its packaging 1 2 Precautions 1 3 Product description 2 Installation and use 2 1 Installation procedure 2 2 Connections 2 3 Configuration 2 4 Self test 2 5 Maintenance 3 Printer functions 3 1 Printing modes 3 2 Graphics 3 3 Control characters 3 4 Character sets Appendix contents A Technical characteristics A 1 Technical specifications A 2 Overall dimesions DP24 40 A 3 Overall dimesions DP24 40 A autocutter B Connectors B 1 DP24 40 printer RS232 B 2 DP24 40 printer Centronics C Interfaces C 1 RS232 serial C 2 C
33. sed by personal computers which use the same connector as shown in Table 4 The pins which are not indicated are not connected Table 4 Pin Signal Direction Description 1 STROBE IN A low level impulse on this line indicates that there is data ready to be read by the printer 2 DATA1 IN Data transmitted to the printer the low level indicates binary digit 1 3 DATA2 IN 4 DATA3 IN 5 DATA4 IN 6 DATA5 IN 7 DATA6 IN 8 DATA7 IN 9 DATA8 IN 10 ACK OUT a low level impulse indicates that the printer is ready to receive further data 11 BUSY OUT High level active signal indicates that the printer cannot receive data 12 PE OUT Paper out always to GND 13 SELECT OUT Connection to Vcc with 4 7 ohm resistance 14 Not connected 15 SELECT OUT Connection to Vcc with 4 7 ohm resistance 16 RESET IN 17 GND Pins connected to GND 18 Not connected 19 GND Pins connected to GND 20 GND 21 GND 22 GND 23 GND 24 GND 25 GND DP 24 40 INTERFACES The following diagrams illustrate some connection examples between printer and Personal Computer with 25 and 36 pin Ribbon connector rispectively The connections marked with an are not essential for the functioning of the interface Figure 14 i STROBE i 2 DATA 0 a 3 DATA 1 3 4 DATA 4 5 DATA 3 5 DATA 4 DATA DATA 6 8 DA
34. t could fall and get seriously damaged Do not place the printer on soft surfaces or in poorly ventilated environments Position the printer in such a way as to ensure that the cables connected to it will not be damaged Use the type of electricity supply marked on the printer label In the event of uncertainty contact the seller Do not obstruct the vents Do not put objects of any kind inside the printer as they could cause a short circuit or damage parts which could affect its performance Do not spill liquids on the printer Do not carry out technical operations on the printer with the exception of the scheduled maintenance operations specifically indicated in the user s manual Disconnect the printer from the electricity supply and have it repaired by a specialized technician should any of the following conditions occur The feed connector has been damaged Liquid has penetrated to the inside of the printer The printer has been exposed to rain or water The printer is not operating normally despite the instructions in the user s manual having been followed The printer has been dropped and its case damaged The performance of the printer is poor The printer does not work 0OWDF mm DP 24 40 INTRODUCTION The DP24 40 is an extremely simple and functional desk printer It is the ideal solution for applications whic require the immediate printing of data on a ticket whether they be of an industrial p
35. ter is switched on again to the default character configured cuUST aki 27 DP 24 40 PRINTER FUNCTIONS 3 4 Character sets The printer has two sets each containing 224 characters font 1 and font 2 figure 7 which can be called up from the programme configuration paragraph 2 3 or through the control characters paragraph 3 3 Figure 7 FONT i 23456 7BORBCDEF 4 i 2 3 4 a 6 P 5 3 Fi E EEEE f Db M tp Bi Lage oO neb ed A Fo tiofi FONT 2 223456 7SSABCBEF BEF rAPa Upi l LAQATECA SERDYTRT BE op Atics 4bTdtpox4 by ZSEUevexes px LOPOL TY LEENE e EAn sats le I o lt 1 YITYivPAUUA TT ZIEKE BK SCC Kare 2H In HSH 52 mg er rt eo ID MG Gi d a ee oA usT 7M 28 DP 24 40 A TECHNICAL CHARACTERISTICS A 1 Technical specifications Table 2 lists the main technical features of the two printer models DP24 24 columns and DP40 40 columns Columns 24 40 Character L x H mm Normal 1 7x2 6 1 1x2 6 Double height 1 7 x 5 2 1 1x5 2 Double Width 3 4x2 6 2 2x2 6 Expanded 3 4x5 2 2 2x5 2 Graphic point L x H mm 0 33 x 0 38 0 19 x 0 38 Points for line 144 240 Printing speed Line sec 2 5 1 5 Characters sec 60 60 Feed lines sec 6 3 6 Line buffer 24 bytes 40 bytes Printing buffer 150 byte Printing method Impact or dot matrix Character matrix 6 x 10 points Printing mode Character set Paper roll dimension Standard interfaces Power supply Voltage Frequency
36. the self test Some codes are not standard and are as follows 60 7B 7C 7D 7E 7F 8D ED FA and FF These characters are compatible with earlier printer models The font may be selected at any time keeping in mind that the printer cannot print a line containing two different fonts and will print therefore the last font selected When the printer is switched on the default value which establishes which printing font is to be used is selected by a flag in a location called the option register this flag can be manipulated by programming using the the two keys on the front panel of the printer by means of which the default values can be changed ASCII ESC b Hex 1B 62 Sets character font 2 The command ESC b selects the second character font The complete font is printed during the self test This font contains Cyrillic characters It may be selected at any time keeping in mind that the printer cannot print a line containing two different fonts and will print therefore the last font selected When the printer is switched on the default value which establishes which printing font is to be used is selected by a flag in a location called the option register this flag can be manipulated by programming using the the two keys on the front panel of the printer by means of which the default values can be changed ASCII aa ESC r_ Hex aa 1B 72 Reads a piece of data at an address The command ESC r
37. y printed A line feed is equivalent to 10 dots of normal printing the paper moves faster than it would when printing due to the automatic activation of a magnet which speeds up the paper feed usT ai 17 DP 24 40 PRINTER FUNCTIONS ASCII Hex n 0B Forward feeds n lines The command 0B forward feeds the printer by the number of lines previously set This must be an ASCII number from 0 9 obviously if the number is zero nothing will happen Take care because the code 0B erases the line buffer and so if there are any characters in it they will automatically be erased lf for example you want the paper to forward feed by 5 lines transmit 35 0B or alternatively 5 and the command 0B ASCII Hex 0D Prints line buffer The command 0D carriage return prints the line buffer If the buffer is empty nothing happens If the CRLF option is set the code 0D is ignored and printing only takes place if the command 0A is transmitted When the printer is switched on the default value of the CRLF option is contained in the flag of a byte called option register which can be manipulated through the configuration by using the two keys on the front panel of the printer or through the programme from the PC ASCII Hex 0F Sets CRLF mode The command 0F enables the CRLF option It inhibits the action of the command 0D and keeping only the command 0A as a print command This function can be useful in cases where the
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