electron printer mechanism series user manual electron
Contents
1. qj Rmean x E O V 2 t cf Density Sheet Heating Time vs Speed At Nominal Voltage amp Nominal Temperature t2 tl x a x Log tm b oltage emperature tm Time for motor step ms aper AF50KSE3 oeff a 0 4071 oeff b 0 6269 Heating Time vs Temperature At Nominal Speed amp Nominal Voltage For linear modelisation t3 t2x cT d oltage peed Coeff c Coeff d 1 32660000 For polynomial modelisation Coeff g 0 00000477 3 lt gt t3 t x gx T hT xiT J 0 02740654 1 42268041 Coeff h 0 00050244 Heating Time vs Voltage At nominal Temperature amp Speed V eV f AF50KSE3 Coeff e 0 9490 Coeff f 0 3100 ELECTRON Printer Mechanism Series User manual page 36 42 Reference FDE 3108307 Issue Z Axiohm 7 2 Historical Control The history coefficient depends on the speed explained below It gives the reduction in Yo of the TCH nominal heating time which has to be applied on a dot previously heated on N 1 Paper feed motor control parameters Min Speed 15 mm sec Max Speed 71 mm sec Ramp Size 8 Speed MIN SPEED MAX SPEED MIN SPEED x Index RAMP SIZE 1 History control Tb COEFA x In 6 25 COEFB Tb 1 716 TbTmp COEFA x In StepTime 1000 COEFB HistTmp 100 x Tb TbTmp Tb if HistTmp lt 0 HistCoef 0 else HistCoef HistTmp2. 65 Moutfting Plane PAPER ENTRANCE 5 640 06 5 640 06 27 0 1 26 points Connector 1mm pitch The printed ticket exits at 65 in comparison to the mounting plane The paper entrance into the mechanism can be made according to angles of 0 to 90 as compared to the mounting plane ELECTRON Printer Mechanism Series User manual page 9 42 Reference FDE 3108307 Issue Z Axiohm 3 3 Fixing Elements 3 3 1 Screw Mounting There are two possible ways to mount the print mechanism using screws a Central Screwing by a 03mm auto tapping plastic screw in Fix 1 Positioning by an axis of locating Loc 1 of 02mm see diagrams on the following pages b _ Using the screw mounts at the back of the mechanism Either mount from below with two 2 5mm auto tapping plastic screws in the printer frame at FIX 2 and FIX 3 If it is chosen to mount at the back of the mechanism one must use the front clipping zones at CLIP 1 and CLIP 2 Warning The auto tapping plastic screws should have a net point angle of 30 3 3 2 Clip Mounting There are four clipping points on this printer mechanism CLIP 1 CLIP 2 CLIP 3 and CLIP 4 see drawings on the next page 3 4 Flex Cable Position Connections are done via unique flex cable containing all electrical functions of the printer thermal head motor rand opto sensor The flex cable is to be connected on a 26 pin connector with a 1mm pitch The connector can be located at th
3. Index Step Time us Speed mm sec History Coef History control 0 8332 15 0 1 5434 23 4 2 4020 31 13 Raster N 1 1 1 1 3 3204 39 19 Raster N 1 0 0 1 1 4 2657 47 25 5 2272 55 30 HistoryEn 0 1 1 1 6 1984 63 34 Actual heating time 7 1760 71 37 TCH x 1 HistoryCoef x HistoryEn ELECTRON Printer Mechanism Series User manual page 37 42 Reference FDE 3108307 Issue Z Axiohm The Heating time table is given on next page The motor cycle time for one dot line is given in the second top line of the table it is the time for two motor steps Column 3 indicated with speed lt 20 mm s and motor cycle time gt 6 25 ms gives the required heating time giving the necessary energy to obtain an optical density of 1 2 Three areas are then defined in the heating time table Area 1 white The motor cycle time for one dot line is greater than the heating time indicated in column 3 Area 2 grey area The heating time in column 3 is greater than the motor cycle time Area 3 bold numbers The indicated heating time depending on speed voltage and temperature would be greater than the motor cycle time In areas 1 and 2 the heating time can be controlled either with or without historical control How to use the tables Without historical control apply the indicated heating time given as a function of speed voltage and temperature At high speed printing quality for isolated dots might be affected with
4. COVER FORM GIVEN FOR We also designed special circular holes on each side of the frame to allow cover clipping from inside or outside the printer mechanism Those holes have a diameter of 3 5mm and their highest point is located at 12 1mm from the fixing plane of the printer and at 7 2mm from the platen axle see drawings page 11 ELECTRON Printer Mechanism Series User manual page 13 42 Reference FDE 3108307 Issue Z Axiohm 3 0 2 Hinge Positioning The zone where the hinge is located must be between 2 planes passing on the platen axis with a 25 maximum angle The superior plane must not be inclined of less than 5 from the mounting plane Therefore the inferior plane must not be inclined more than 30 from the mounting plane see below drawings PLATEN AXLE PRINT MODULE AE HINGE AXLE iy pa S H PLAN PASSANT pap aye s 7 7 DE CABESTAN JEN VE ee T MOUNTING Z pa 7 PA 7 S 7 z ET PLANE 2 P P P P VO T P z Z ff 4 S Fo NA K Acceptable zone for z iy F 7 he hinge Z ae HINGE AXLE x p lt Note PLAN PASSANT PAR L AXE DE CABESTAN PLANE PASSING BY PLATEN AXLE ELECTRON Printer Mechanism Series User manual page 14 42 Reference FDE 3108307 Issue Z Axiohm 3 7 Useful Measurements An infra red opto sensor detects paper presence It is located at approximately one third of paper path width starting from the gears side TOP VIEW WITHOUT PLATEN LIMIT OF PAPER PATH
5. 0 804 ms 0 758 ms 0 714 ms Volts 1 187 ms 045 ms 0 990 ms 0 944 ms 0 865 ms 0 824 ms 0 800 ms 0 772 ms 0 747 ms 0 699 ms 0 658 ms 0 621 ms 7 00 Volts 1 118 ms 0 984 ms 0 933 ms 0 889 ms 0 814 ms 0 777 ms 0 753 ms 0 727 ms 0 704 ms 0 658 ms 0 620 ms 0 585 ms II a Volts 1 057 ms 0 931 ms 0 882 ms 0 841 ms 0 770 ms 0 734ms 0 712 ms 0 687 ms 0 665 ms 0 622 ms 0 586 ms 0 553 ms 7 00 Volts 0 944 ms 0 831 ms 0 787 ms 0 751 ms 0 688 ms 0 656 ms 0 636 ms 0 614 ms 0 594 ms 0 556 ms 0 523 ms 0 494 ms Volts 0 815 ms 0 717 ms 0 679 ms 0 648 ms 0 593 ms 0 566 ms 0 549 ms 0 530 ms 0 513 ms 0 479 ms 0 452 ms 0 426 ms 8 00 Volts 1 261 ms 1 109 ms 1 051 ms 0 918 ms 0 875 ms 0 849 ms 0 820 ms 0 793 ms 0 742 ms 0 699 ms 0 659 ms 8 00 Volts 1 058 ms 0 931 ms 0 882 ms s 0 771 ms 0 735 ms 0 713 ms 0 688 ms 0 666 ms 0 623 ms 0 586 ms 0 553 ms P Volts 0 919 ms 0 809 ms 0 767 ms s 0 670 ms 0 638 ms 0 619 ms 0 598 ms 0 578 ms 0 541 ms 0 509 ms 0 481 ms Volts 0 866 ms 0 762 ms 0 722 ms 0 631 ms 0 601 ms 0 583 ms 0 563 ms 0 545 ms 0 509 ms 0 480 ms 0 453 ms 8 00 Volts 0 819 ms 0 720 ms 0 683 ms s 0 596 ms 0 568 ms 0 552 ms 0 532 ms 0 515 ms 0 482 ms 0 454 ms 0 428 ms oo e p Volts 0 731 ms 0 643 ms 0 610 ms s 0 532 ms
6. 0 508 ms 0 492 ms 0 475 ms 0 460 ms 0 430 ms 0 405 ms 0 382 ms Volts 0 631 ms 0 555 ms 0 526 ms s 0 459 ms 0 438 ms 0 425 ms 0 410 ms 0 397 ms 0 371 ms 0 350 ms 0 330 ms p ELECTRON Printer Mechanism Series User manual page 39 42 Reference FDE 3108307 Issue Z Axiohm 7 4 Thermistor Specifications Operating Temperature 20 to 80 C Thermistor time constant 5 sec at 25 C Dissipation constant 0 9 mW C Maximum power 4 5 mW at 25 C This thermistor has a rated value of 30 kQ 5 Its resistance variation can be expressed as follows 1 1 R Rn exp B T RA where T is in Kelvin degrees K This gives the following curve for T in K T K 273 15 K each temperature C B 3950K 2 Rn reference value at temperature Tn 298 K kQ ELECTRON Printer Mechanism Series User manual page 40 42 Reference FDE 3108307 Issue Z Axiohm 8 PAPER SUPPLIERS JUJO AF50KSE3 Ref 3104208 9 TEAR BAR OPTION As an option there is a metal tear bar assembly which can be clipped on this printer OVERALL HEIGHT WITH THE TEAR BAR WARNING Do not attach the tear bar on the cover or any other moving part in relation to the printer ELECTRON Printer Mechanism Series User manual page 41 42 Reference FDE 3108307 Issue Z Axiohm MAXIMUM ANGLE TO CUT THE PAPER MOUNTING PLAN PAPER ENTRY To cut paper with the tear bar it is important to draw
7. CENTER OF THE OPTO ELECTRON Printer Mechanism Series User manual page 15 42 Reference FDE 3108307 Issue Z Axiohm 4 ELECTRICAL SPECIFICATIONS 4 1 Nominal Power Supply Logic Vee 3 3 5 Dot line 4 to 8 5 Stepping motor 4 to 8 5 Print head 4 2 Nominal Consumption of Printer Heating current dot Vch Print head Logic current Vcc All high Stepping motor current 2 activated phases 4 3 Description of Print Head Driver chips Operating range Vcc ora Mean dot resistance 4 130 Nominal dot supply voltage 5 min 4 max 8 5 2 Nominal Heating current per dot at 5V Filter any transient signal and parasitic on this line Separate Vec from Vch because Vch can go lower than 4 75 Volts Vcc must be connected to the same power supply than the other electronic circuits which drive the printer The print density variation may become significant when the number of dots energized simultaneously becomes greater than 64 ELECTRON Printer Mechanism Series User manual page 16 42 Reference FDE 3108307 Issue Z Axiohm 4 3 1 Function of 64 bit LSI Drivers Chart and Operation The LSI power and multiplexing circuit drivers located on the thermal print head provide power control from logic signals and the DC power supply voltage These circuits are supplied by 3 3 or 5 V logic voltage Take care to filter transient and parasitic on all logic lines Undetermined states can
8. Outn Internal data out to heating points not available on connector Note All these inputs are CMOS compatible ELECTRON Printer Mechanism Series User manual page 20 42 Reference FDE 3108307 Issue Z Fig 5 LSI driver symbols Symbol Description Min Maxi Min Maxi Unit Clock SI set up time Clock strobe set up time Strobe pulse width OE data out delay time Vee 5V or 3 3V Temp 25 C with resistive load ELECTRON Printer Mechanism Series User manual page 21 42 Reference FDE 3108307 Issue Z Axiohm 4 3 3 Print Head Connection Pinout of the print head flex cable P80 Paper feed motor BO Ce D em CF V S naa AT Contact side 2 3 x 2 1 26 Thickness 300 u For the connection of the mechanism Axiohm recommend the following 26 pins connectors from print head flex to board JST Ref 26 FMN BTRK A Molex Ref 52806 2610 JST Ref 26 FMZ BT Molex Ref 71226 2635 ELECTRON Printer Mechanism Series User manual page 22 42 Reference FDE 3108307 Issue Z Axiohm 4 4 Bipolar Stepping Motor This motor is used to drive the platen for paper feeding It is a bipolar stepping motor and its characteristics are described bellow 44 1 Characteristics Recommended control voltage 5 VDC voltage range 4 to 8 5V Coil Resistance 18 Q Number of phases 2 bipolar Pitch angle 18 Number of steps per revolution 20 Paper feed for 2 motor steps 0 125 Mm Recommended control cu
9. assistance in opening If necessary help with the opening of the cover by pushbutton or lever can be necessary see the figures below EXAMPLE OF AN ACTUATOR AT THE BACK OF THE PRINTER ACTUATOR ARTICULATION OF THE SYSTEM TO HELP WITH OPENING HINGE OF THE COVER EXAMPLE OF ASSISTANCE WITH OPENING This help example of opening could be applied to a side of the cover preferably the side with platen gears Or both sides of the cover by placing the actuator behind the hinge of cover or on the other side of the printer not to obstruct the installation of the paper roller Locking System e Locking can be directly made on the printer see above or on some part of the customer application ELECTRON Printer Mechanism Series User manual page 33 42 Reference FDE 3108307 Issue Z ARTICULATION OF THE LOCKING SYSTEM HINGE OF THE LID EXAMPLE OF LOCKING HINGE OF THE LID EXAMPLE OF LOCKING TL ELECTRON Printer Mechanism Series User manual page 34 42 Reference FDE 3108307 Issue Z Axiohm 6 2 Electrical Recommendations When energising the thermal print head it is important to apply the logic supply voltage first and the print head supply voltage next If the line of dots is supplied before the control logic resistor dots may be destroyed Because the control logic has a random state resistors might be heated for a longer period than the specified maximum burning out the heated resistor To av
10. gt BC807 up output port 178Q Condition v Pulse wave from output port with low level during 0 6 ms measuring Vo 0 2 ms after pulse falling edge v Same conditions for output signal Vo as chapter above ELECTRON Printer Mechanism Series User manual page 26 42 Reference FDE 3108307 Issue Z Axiohm 5 PRINTER CONTROL TECHNIQUES For printer control techniques in order to operate the printer we depict hereafter three possible modes 5 1 Model The paper feeds itself automatically during the heating cycle thereby permitting high speed to be achieved in this mode it is recommended to use historical control see chapter Heating Time Printing of n dot line Transmission of data in series Din in step with CLK Transfer to memory stage STROBE Heating controlled Transmission of next through series of data OE 1 0E 2 OEn simultaneously End of printing ELECTRON Printer Mechanism Series User manual page 27 42 Reference FDE 3108307 Issue Z Din a Strobe OE 1 o o T TL T L Motor Steps Q mm my T Clock frequency 8 MHz maximum or 5 MHZ if VCCs 5V Timing diagram for mode 1 ELECTRON Printer Mechanism Series User manual page 28 42 Reference FDE 3108307 Issue Z Axiohm 5 2 Mode 2 The paper feed occurs after the heating cycle resulting in high quality printing Printing of n dot line Transmission of data in series Din in step with CLK Transfer to memory stage
11. 0 ms 3 130 ms 2 500 ms 2 230 ms 2 080 ms 1 920 ms 1 790 ms 1 560 ms 1 390 ms 1 250 ms vi 0 C 4 669 ms 4 109 ms 3 894 ms 3 712 ms 3 401 ms 3 243 ms 3 146 ms 3 035 ms 2 938 ms 2 748 ms 2 588 ms 2 441 ms wi 10 C 3 919 ms 3 449 ms 3 268 ms 3 116 ms 2 854 ms 2 722 ms 2 641 ms 2 548 ms 2 466 ms 2 306 ms 2 172 ms 2 049 ms vie 20 C 3 405 ms 2 996 ms 2 839 ms 2 707 ms 2 480 ms 2 364 ms 2 294 ms 2 213 ms 2 142 ms 2 004 ms 1 887 ms 1 780 ms es 25 C 3 207 ms 2 822 ms 2 674 ms 2 549 ms 2 335 ms 2 227 ms 2 160 ms 2 084 ms 2 018 ms 1 887 ms 1 777 ms 1 676 ms Nan 30 C 3 032 ms 2 668 ms 2 529 ms 2 410 ms 2 208 ms 2 105 ms 2 043 ms 1 971 ms 1 908 ms 1 784 ms 1 681 ms 1 585 ms vi 40 C 2 707 ms 2 382 ms 2 258 ms 2 152 ms 1 972 ms 1 880 ms 1 824 ms 760 ms 1 704 ms 1 593 ms 1 500 ms 1 415 ms ie 50 C 2 336 ms 2 056 ms 1 948 ms 1 857 ms 1 702 ms 1 622 ms 1 574 ms 3519 ms 1 470 ms 1 375 ms 1 295 ms 1 221 ms 3 081 ms 2 711 ms 2 569 ms 2 449 ms 2 244 ms 2 139 ms 2 076 ms 1 939 ms 1 813 ms 1 707 ms 1 611 ms 2 586 ms 2 275 ms 2 156 ms 2 056 ms 1 883 ms 1 796 ms 1 742 ms 1 627 ms 1 522 ms 1 433 ms 1 352 ms 2 246 ms 977 ms 1 873 ms 1 786 ms 636 ms 1 560 ms 1 513 ms 1 413 ms 1 322 ms 1 245 ms 1 174 ms 2 116 ms 862 ms 1 764 ms 1 682 ms 541 ms 1 469 ms 1 425 ms 1 331
12. 7 gt Useful MeasuremeNIS a0 15 4 ELECTRICAL SPECTFICATIONG scscssscsssssscssssscccsssessssosees LO 4 1 Nominal Power Suppl AREA 16 4 2 Nominal Consumption of Printer eceeccecccececoccosccesco0oc000000000000000000000000000000000 16 4 3 Description Of Print Head 16 4 3 1 Function of 64 bit LSI Drivers Chart and Operation 17 4 3 2 Electrical Specifications of 64 BIT LSI Driver 19 4 3 3 Print Head Connection ss 22 44 Bipolar Stepping MOO NANANA 23 4 4 1 CHA ACIErISHIOS ne ii EE e e NAN 23 4 4 2 Motor Connection sisi 23 4 4 3 Induction Sequence and Timing paper feed iuue 24 4 4 4 Printing Mode ANA NIBOHAND BB a a RES 24 4 9 Sensor Specifications 2K 25 4 5 1 End of Paper Opto sensor ss 25 4 5 2 Recommended Use for Opto sensor ss 26 5 PRINTER CONTROL TECHNIQUES sssssssseeesssneneses 27 SI Mode E AA e A sods 27 SPL 1 CPR 29 OL 1 CR 30 6 RECOMMENDATIONS a AA 31 6 1 Mechanical RecommendatioNS eccccococeccoccccscecese0c0000000000000000000000000000 0000 31 6 2 Electrical Recommendations serres 35 6 3 Motor Driving RecommendatioONS 000000000000000000000000000000000000000000 35 ELECTRON Printer Mechanism Series User manual page 3 42 Reference FDE 3108307 Issue Z Axiohm 7 HEATING TIME CALCULATIONS sssseseeeessnesse 36 7 1 Real Heating Times cucscccsccsscssrscssccssccsscesscesscssscssssssescssscsscscessssssses
13. Axiohm THERMAL PRINTER COMPONENTS ELECTRON PRINTER MECHANISM SERIES USER MANUAL ELECTRON Reference 31 08 307 Issue Z February 2005 AXIOHM 1 rue d Arcueil BP 820 92542 MONTROUGE Cedex Tel 33 1 58 07 17 17 Fax 33 1 58 07 17 18 www axiohm com EVOLUTIONS Date Issue Modifications 02 2005 Creation ELECTRON Printer Mechanism Series User manual page 1 42 Reference FDE 3108307 Issue Z Axiohm IMPORTANT This manual contains the basic instructions for printer operation Read it carefully before printer use paying special attention to the Recommendations section ELECTRON Printer Mechanism Series User manual page 2 42 Reference FDE 3108307 Issue Z Axiohm CONTENTS 3 MECHANICAL SPECIFICATIONS sssenssssnnennnses 7 3 1 General Description sci siccisscevcvoncszdceccsotesesuccsecusetcdsiessa ch dvvadesesa ssaucescestencseedse Sensini 7 3 2 External DimenSiONS ccccccccccccccccceccccccccc0c00000000000000000000000000000000000000000000000000000000 8 3 3 Fixing Elements 03ANG 10 3 3 1 Screw Mounting nG nie ABG ARALAN 10 3 3 2 Clip Moutin ee Nes eme 10 3 4 Flex Cable Position ucecececcccccccecereccoccccscececcccececc0cec000000000000000000000000000000000000 10 3 5 CHASSIS MOUNTING 202002000 11 3 6 Cover 171744 271111 POOE A NARRA 11 3 6 1 Information for Cover Dimensioning ceeeceseeeceseeeeeeeeneeeeeneees 11 3 6 2 Hinge POSit Omit 8 issirinksi antennes 14 3
14. IONS continued ITEM VALUE UNITS max Storage temperature range 25 to 70 Operating temperature range Current consumption Veh at nominal value 5V per resistor ae on Current consumption Icc max at value 5V Current consumption mA Stepping motor at nominal value per activated phase mene T 26 88 is ee Per AXIOHM standard test conditions which are 5V 25 C dot printing duty cycle 30 Note general tolerances 0 2 when no other is specified ELECTRON Printer Mechanism Series User manual page 6 42 Reference FDE 3108307 Issue Z Axiohm 3 MECHANICAL SPECIFICATIONS 3 1 General Description This mechanism consists of Plastic chassis Stepper motor Gears train Print head module with flex cable and opto sensor Platen roller ELECTRON Printer Mechanism Series User manual page 7 42 Reference FDE 3108307 Issue Z Axiohm 3 2 External Dimensions Locating Points Central fixing 2520 point Po CT 44 620 FI ab 2 back fixing points A as gt ae 68 6 ar J a 2 1 BE i S Bu _ 29 04 pa 58 08 Paper path 2 fixing points MAX TOP VIEW 540 06 25 0 g 520 06 CLIP et CLIP 2 2 front clips ELECTRON Printer Mechanism Series User manual page 8 42 Reference FDE 3108307 Issue Z Axiohm Mechanical views continued SIDE VIEW BACK VIEW PRINT SIDE
15. STROBE bd ss Transmission of next throug OE 1 0E 2 0En series of data simultaneously Motor feed End of printing CLK ARL AL Din A 4 Naan V 5 Za N OE 1 ee L T T n f 7 LL J Motor Steps a ic cn j T Clock frequency 8 MHZ maximum Strobe Timing diagram for mode 2 ELECTRON Printer Mechanism Series User manual page 29 42 Reference FDE 3108307 Issue Z Axiohm 5 3 Mode 3 This mode is used in conditions where there is a limit of electrical current The dot line is printed in stages heating only a portion of the line at a time This effectively gives a reduced power consumption Printing of n dot line Transmission of data in series Din in step with CLK Transfer to memory stage STROBE Heating controlled Transmission of through next series of data OE 1 0E 2 0En successively or in blocks Motor feed End of printing Clock CLK ATE AY T Din E Va A serial input m N Strobe CC O OE 1 OEn ee Motor Steps _ T Clock frequency 8 MHz maximum Timing diagram for mode 3 ELECTRON Printer Mechanism Series User manual page 30 42 Reference FDE 3108307 Issue Z Axiohm 6 RECOMMENDATIONS 6 1 Mechanical Recommendations e Never apply mechanical stress to the printer this could result in misalignment and thus degradation of the print quality e The thermal print head must have degree of freedo
16. e back of the printer horizontal connection or below the printer vertical connection or in another intermediate position WARNING Do not put any constraint on the flex cable during integration or while connecting DO NOT FORCE THE FLEX IN TRACTION HORIZONTAL CONNECTOR BEHIND EXAMPLE OF A CONNECTOR IN INTERMEDIATE POSITION VERTICAL CONNECTOR BELOW AREA OF INTERMEDIATE POSITION ELECTRON Printer Mechanism Series User manual page 10 42 Reference FDE 3108307 Issue Z Axiohm 3 5 Chassis Mounting Mounting hole position is shown on figure in chapter 3 2 Use 3 x M2 5 self threading screws pan head eco syn length 6 mm for example from our supplier BOSSARD for the 3 diameters 02 2 0 05 3 6 Cover Integration The ELECTRON printer can only accept paper loading by CLAMSHELL cover design As the printer as not been design for the auto load paper feature contact Axiohm representatives for more information if you want to use it in this mode Axiohm does not supply the cover 3 6 1 Information for Cover Dimensioning The cover is essential It must maintain the platen and allow the positioning within the printer frame ensuring good rotation of the cover itself These drawings show the dimensions necessary for cover design The length of the silicone part of the platen is a maximum of 52mm The 58 11mm dimension is the maximum width allowed in the frame where the cover slides in Forks maintaining th
17. e platen must have a maximum thickness of 2 55mm and be made out of a material that supports clipping on axis by deforming oblong shape and opening or closing effort of the cover that we measured to be of 10 3N average For the cover we recommend oblong shapes see below drawings to maintain the platen axle These shapes must allow a light translation of the platen in the cover in order not to force positioning and rotating of the platen when cover is closed N SEN FEH l a H a y H MOUNTING PLANE KS Two openings for eventual cover amag 8 clipping PLATEN in 23 5 h9 PLATEN AXLE ELECTRON Printer Mechanism Series User manual page 11 42 Reference FDE 3108307 Issue Z a 3 2 MINI 52 MAXI Sal 2 683 _ 0 08 8 38 That is an example of a possible cover A X A N Ne 2 L 1 1 o Le B x Lu 53 2 520 05 PA La 55 5 0 05 6 4 2 640 AA B B KO 2 60 FOR THE PLATEN S GROOVE lo Ic 3 551005 ELECTRON Printer Mechanism Series User manual page 12 42 Reference FDE 3108307 Issue Z Axiohm The angle of the oblong shape where the platen is located on the cover must be in the range between five 5 degrees and 15 degrees as compared to the mounting plane PLATEN AXLE N POSSIBLE HOLES MOUNTING PLANE
18. happen and destroy the head The power source should be disconnected from the logic source The logic source must be connected to the same source as the electronic circuits in charge of controlling the printer Each circuit features 64 open collector transistors a 64 bit shift register and a 64 bit memory register Fach circuit controls 64 resistor dots on the print head Vch O 1 2 3 4 7 OUTPUTS 62 63 64 Line of resistor dots GND Output gt Enable OE Strobe 64 bits buffer o LUI Mee register Serial 64 bits shift Input SI QO gt IIO CLOCK N LI SERIAL OUTPUT SO Figure 1 driver chart ELECTRON Printer Mechanism Series User manual page 17 42 Reference FDE 3108307 Issue Z Axiohm R64 R1 R64 RI Resistors Resistors CHIP n 1 OUT CLK Strobe OE n OE n l Figure 2 Routing of data to the thermistor dots Line of dots Print head substrate Data t iti ata inpu Sensitive layer Printhead bottom view chip side Thermal paper Fig 3 Dots print order The first bit of data entered will be the first bit of data printed FIFO ELECTRON Printer Mechanism Series User manual page 18 42 Reference FDE 3108307 Issue Z Axiohm 4 3 2 Electrical Specifications of 64 BIT LSI Driver 4 3 2 1 General Electrical Description of Drivers Description of drivers DE aag UNIT Max voltage at outputs 1 to 64 Volt Max voltage any other pin E Poa Max
19. ined Otherwise a paper motion can occur and induce unevenly spaced sub lines A good way to achieve this without over heating the motor is to keep the motor phases on when the buffer contains data and to release them when the buffer is empty ELECTRON Printer Mechanism Series User manual page 24 42 Reference FDE 3108307 Issue Z Axiohm 4 5 Sensor Specifications 4 5 1 End of Paper Opto sensor This opto sensor detects the end of paper 4 5 1 1 Electrical Characteristics Absolute maximum ratings Absolute maximum ratings Operating characteristics tr us Value Typical 5 IC 1 mA Conditions RL 100 Q VCE 5V IC 50uA VCC 5V Axiohm advise to pulse it 4 5 1 2 Connection Integrated with the main flex cable see 4 3 3 ELECTRON Printer Mechanism Series User manual page 25 42 Reference FDE 3108307 Issue Z Axiohm 4 5 2 Recommended Use for Opto sensor The user should be aware that the opto sensor characteristics have very wide tolerances Thus we recommend the use of the schematics below 4 5 2 1 Opto Sensor Sample Minimal External Circuit VCC 5V PRINTER 47KQ OPTO SENSOR Condition v ForIf 20 mA Output signal is LOW when paper is PRESENT Vo lt 0 7V mens Output signal is HIGH when paper is EXHAUSTED Vo gt 3 4V 4 5 2 2 Sample external circuit with low consumption VCC 5V VCC 5V 10KQ p gt gt gt gt gt gt gt gt gt gt gt gt gt gt gt gt
20. m Never prevent the print head from pivoting on its axis e Refer to the drawings in chapters Cover integration to design an easy loading Clamshell cover e The paper should be guided to the mechanism to make sure it is centred in the mechanism paper path particularly when the paper width is less than 58mm Flatness Support e The ELECTRON printer must not be put in constraint during integration For that the support on which it is fixed must have a flatness of 0 15mm During integration the mounting plane can be tilted according to an indifferent angle of the horizontal General Constraints of Integration e The thermal head has a light oscillating movement around its axis during the opening or the closing of the cover One must hold account for the integration and not place elements too close to the print head e The unit s surfaces for the integration must be situated in more than 0 5mm of the pieces in movement in the printer gears printing head spring of head platen except the oblong forms or forks to maintain the platen If it is necessary we can supply a plan or an IGES file for an example of the cover ELECTRON Printer Mechanism Series User manual page 31 42 Reference FDE 3108307 Issue Z Axiohm Paper characteristics and paper guide e ELECTRON uses paper of 58mm maximum width and 68m maximum thickness The paper roll must not exceed 120g weight corresponding to a diameter of approximately 60
21. mm rolled on a plastic roll of 016mm Printing width is 48mm To feed the paper to the printer we recommend guidance as close as possible to the entry of the printer mechanism forming a tile effect 7 PRINTER TILE EFFECT GUIDANCE OF PAPER If printer is used in bi station mode 2 parallel paper rolls printed simultaneously there is no paper detection on the opposite side of the gears If required it will have to be integrated into the system bucket e ELECTRON can no Different Possibilities of Integration e Ina simple application The paper loading of this mechanism uses a CLAMSHELL system Our mechanism allows a simple application of the cover for a paper reservoir No control lever is necessary for the opening of the cover In the case that the lightness and the compactness of the customer s application is most important the cover can be reduced The operator will act directly on the cover by pulling to open it We advise a simple locking of the cover There are places foreseen for that purpose on the walls of mechanism extremity to see 2 1 for the preservation of the cover during the manual cutting of the paper Make sure that the cover does not deform itself during use W d PRINTER EXAMPLE OF LOCKING ELECTRON Printer Mechanism Series User manual page 32 42 Reference FDE 3108307 Issue Z Axiohm Two openings for eventual cover _ clipping e In an application with
22. ms 1 245 ms 1 173 ms 1 106 ms Salk 2 000 ms 760 ms 1 668 ms 1 590 ms 457 ms 1 389 ms 1 348 ms 1 259 ms 1 177 ms 1 109 ms 1 046 ms 1 786 ms 572 ms 1 490 ms 1 420 ms 301 ms 1 240 ms 1 203 ms 1 124 ms 1 051 ms 0 990 ms 0 934 ms ci 1 541 ms 356 ms 1 285 ms 1 225 ms 123 ms 1 070 ms 1 039 ms 0 970 ms 0 907 ms 0 854 ms 0 806 ms 2 184 ms 922 ms 1 821 ms 1 736 ms 590 ms 1 516 ms 1 471 ms 420 ms 1 374 ms 1 285 ms 1 210 ms 1 142 ms 1 833 ms 613 ms 1 529 ms 1 457 ms 335 ms 1 273 ms 1 235 ms 191 ms 1 153 ms 1 079 ms 1 016 ms 0 958 ms 1 592 ms 1 401 ms 1 328 ms 1 266 ms 2 160 ms 1 106 ms 1 073 ms 035 ms 1 002 ms 0 937 ms 0 883 ms 0 832 ms 1 500 ms 320 ms 1 251 ms 1 192 ms 092 ms 1 041 ms 1 010 ms 0 975 ms 0 944 ms 0 882 ms 0 831 ms 0 784 ms 1 418 ms 248 ms 1 183 ms 1 127 ms 033 ms 0 985 ms 0 955 ms 0 922 ms 0 892 ms 0 834 ms 0 786 ms 0 741 ms 1 266 ms 114 ms 1 056 ms 1 007 ms 0 922 ms 0 879 ms 0 853 ms 0 823 ms 0 797 ms 0 745 ms 0 702 ms 1 093 ms 0 962 ms 0 911 ms 0 869 ms 0 796 ms 0 759 ms 0 736 ms 0 710 ms 0 688 ms 0 643 ms 0 606 ms 7 00 Volts 1 628 ms 433 ms 1 358 ms 1 294 ms 1 186 ms 1 131 ms 1 097 ms 1 058 ms 1 025 ms 0 958 ms 0 903 ms 0 851 ms a o e Volts 1 367 ms 203 ms 1 140 ms 1 086 ms 0 995 ms 0 949 ms 0 921 ms 0 888 ms 0 860 ms
23. oid this we recommend applying the heating voltage Vch after the logic supply voltage Vcc 5V The same precaution should be taken when shutting down The supply voltage Vch must be switched off before the logic supply voltage Vcc Care should be taken to allow enough time for residual capacitive charge to dissipate 6 3 Motor Driving Recommendations Motor driving can be achieved with voltage control or regulated current control When the motor is under voltage control it is recommended to connect it to the same supply as logic current from 2 7V to 5 5V If the motor is connected to the heating source power it is recommended to control it under regulated current When the control voltage is greater than 5 25 V or the current is greater than 280 mA per phase it is necessary to determine a duty cycle time max recommended 21 ton toff with a sec on max to avoid the motor temperature rising This has to be achieved with the customer host chassis as the cooling depends on air volume and circulation around the motor This motor can be controlled either under voltage or current The maximum voltage is 8 5 V the maximum current is 470 mA per phase The maximum temperature on the external motor frame is 80 C ELECTRON Printer Mechanism Series User manual page 35 42 Reference FDE 3108307 Issue Z Axiohm 7 HEATING TIME CALCULATIONS 7 1 Real Heating Times Density vs Energy At Nominal Speed amp Nominal Temperature
24. output current 4o m Total max output current 64 dots On li A Max leakage current driver when stand by mode Bo Lo pa 4 3 2 2 Other The specifications given below are given for the following conditions Logic voltage on chip 3 3 V lt Vec lt 5 5V care should be taken to filter any transient signal or parasitic in order to keep the driver in a known state failure to observe this may result in head destruction Clock frequency max 8 MHz Vcc 5V 5 MHz Vcc 3 3V Logie Current 5 V Symbol Min high level input voltage Max high level input voltage Vcc i Min low level input voltage Max low level input voltage 02x Vee il Min high level output voltage 445V Voh Max low level output voltage o oo 005v Vol ELECTRON Printer Mechanism Series User manual page 19 42 Reference FDE 3108307 Issue Z Axiohm 4 3 2 3 Timing Telk Clock t2 t3 Serial in 7 t4 Serial out a Ga t5 Strobe t7 OE t9 t9 Data Out Fig 4 LSI driver timing chart Serial in Serial input for data to be printed Clock Serial parallel shift register clock activated on leading edge of pulse rest level logic 0 Maximum clock frequency is 8 MHz Serial out Serial data out sent back to the connector of the thermal head STROBE Signal for putting data into memory active on logic level 0 rest level logic 1 OE Output Enable OE1 to OE6 power activation signals active at logic level 1 Data
25. rrent 277 F5V 18Q mA phase Maximum starting speed 720 45mm s step s to go faster an acceleration ramp up must be achieved For the motor driving see the following page and the chapter Recommendations 4 4 2 Motor Connection The motor is connected to the main flex cable in addition to the End of paper opto sensor See 4 3 3 Print head connection ELECTRON Printer Mechanism Series User manual page 23 42 Reference FDE 3108307 Issue Z Axiohm 4 4 3 Induction Sequence and Timing paper feed Motor feed timing diagram Motor Steps CCT TITI Tl Heating cycles 1 1 Note that each time the motor has been stopped for more than 8 ms the next step should be longer by 1 ms in order to restart the motor in the appropriate position Motor initialisation This operation is necessary to place the motor in a good position when the printer electronic is powered on or reset Both phases must be powered with the same current during t1 1 ms It must be followed by 16 motor steps in order to compensate the play in the gears 4 4 4 Printing Mode There are 4 different positions for the motor phases The circulation is P1 AOBO P2 AIBI PIP2 P1P2 gt P1P2 gt P1P2 P1P2 The position of the phases must be kept in memory while the phase currents are switched to zero in order to restart the motor in a good position IP 277 mA t2 gt 1 3 ms During printing the motor phases should be mainta
26. ssssssesssessoes 36 7 2 Historical Contr l cccsccsscsssscscsssscssscsscesscesscesscnssensssssesscsssssssessssssssssssssesssseesses 37 7 3 Heating Time Table NG NAGANA 39 7 4 Thermistor Specifications s sscssccsrcesscesscescesscesscssscsscssscssscssssesssessssssssssesseoss 40 8 PAPER SUPPEIERS 2GB 41 9 TEAR BAR OPTION cu GAEL 41 ELECTRON Printer Mechanism Series User manual page 4 42 Reference FDE 3108307 Issue Z Axiohm 1 UNPACKING Fach printer mechanism is packaged in an antistatic bag Observe precautions while handling in electrostatic protected areas 2 OVERVIEW UL 60950 CSA 22 2 60950 Project n 04CA45602 This printer is designed for the use of a clamshell cover a latch if required and an optional tear bar SUMMARY OF PRINTER SPECIFICATIONS VALUE UNITS Print method Static thermal dot line printing see heating time depends on voltage temperature and control way Paper width Maximum paper thickness Recommended paper VOA 384 oe Maximum number of dots energized 128x simultaneously Resolution ots O Paper feed pitch 0 125 ead temperature deco thermistor The printing density variation may become significant when the number of dots energized simultaneously becomes greater than 64 Print head is allowed to have 4 0A maximum Maximum print speed ELECTRON Printer Mechanism Series User manual page 5 42 Reference FDE 3108307 Issue Z Axiohm SUMMARY OF PRINTER SPECIFICAT
27. the paper according to an angle lower than 45 as compared to the mounting plane Otherwise the platen is likely to be ejected ELECTRON Printer Mechanism Series User manual page 42 42 Reference FDE 3108307 Issue Z
28. this method Example at 20 mm s 30 C and 6 volts heating time 1 418 ms time from column 3 With historical control in area 1 apply the indicated heating time function of speed voltage and temperature when the dot has been heated on the previous dot line and the time from column 3 when it has not This method gives the best printing quality Example at 50 mm s 20 C and 6 volts previous dot dot to heat Heating time to apply H dot ON _ gt H gt 1 160 ms I dot OFF H 1 592 ms With historical control in area 2 apply the indicated heating time function of speed voltage and temperature when the dot has been heated on the previous dot line and the motor cycle time when it has not At high speed printing quality for isolated dots might be slightly affected with this method Example at 100 mm s 25 C and 5 volts previous dot dot to heat Heating time to apply dot ON H gt gt H h 1 106 ms dot OFF H 1 250 ms We do not recommend the use of the printer in area 3 as the pint quality would be seriously affected ELECTRON Printer Mechanism Series User manual page 38 42 Reference FDE 3108307 Issue Z Axiohm 7 3 Heating Time Table With Paper AF50KSE3 Voltage V Speed mm s R 130 Ohms wi Real lt 20 mm s 30 mm s 35 mm s 40 mm s 50 mm s 56 mm s 60 mm s 65 mm s 70 mm s 80 mm s 90 mm s min s Fee pa 6 250 ms 4 170 ms 3 57
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