RM User`s Manual
Contents
1. Motor Steps 1 L T Clock frequency 10 MHz maximum for CM RMBC 4MHz for CM RMDG Fig 16 Timing diagram for mode 2 CM RM Series User Manual Page 30 43 Ref 3105978 Z 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 effectively giving reduced 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 OE 2 OEn successively or in blocks Motor feed End of printing Clock CLK AGEL 2 T Din serial 77 7 OE 1 OEn ef l1 _ Motor Steps _Y m T Clock frequency 10 MHz maximum for CM RMBC 4MHz for CM RMDG Fig 17 Timing diagram for mode 3 CM RM Series User Manual Page 31 43 Ref 3105978 Z 6 RECOMMENDATIONS 6 1 Mechanical recommendations Never apply mechanical stress to the printer this could result in misalignment and thus degradation of the print quality The thermal printhead must have 1 degree of freedom Never hinder the printhead from pivoting its axis 6 2 Housing design recommendations Forecast space for paper guide to use one of the two possible paper inlets or both When the front paper in2. O O O P O O F i R F P OR OO El gt e LX O P o O PLO e ES O O F F R F CM RM Series User Manual Page 40 43 Ref 3105978 Z Axiohm Heating time table for CM RMDG with paper WS 752 57 Voltage Temp C Speed mm s R 970 Q Volts lt 5mm s 30 mm s 40 mm s 50 mm s 60 mm s 70 mm s 75 mm s gt 25 ms 4 17 ms 3 13 ms 2 5 ms 2 08 ms 1 79 ms 1 67 ms DOP F z EH O O O r RF O O O P F O O O r O O O O ir ir O O O F rE RF O O F F HE Oooo O O O O O O O O O O O O O O F O O R a O O O O O O O O O FIO O O O O O O O O HO O O O O O O O O O C O CO O O O O QO FE O O O O O F p O O O O O O O O O O O O O P O R z OG Oo 63 Oo SG 5 O O O O O O O O O O O O O O O O O O O CM RM Series User Manual Page 41 43 Ref 3105978 Z Axiohm 9 4 APPENDIX 4 CHANGE PRINTHEAD The printhead kit contains the opto sensor and the flexible it is necessary to change the whole kit Instructions to change printhead Remove existing printhead unscrew chassis remove printhead springs unclip flex unclip the opto
3. Switch This cutter can achieve partial or total cuts 4 6 2 General specification Coil resistance 8 Step angle 15 Number of steps per revolution 24 4 6 3 Connection Connected to the PCB 4 6 4 Induction sequence 4 6 5 Cutter Initialisation The sequence described next page with logic chart allows the cutter to be well positioned when the system mechanism amp controller board is powered on or reset Notes The logic chart is designed to place the cutter in the middle of the closed switch area When ten additional steps in are achieved after a switch status reading this avoid reading mistake due to switch bounce CM RM Series User Manual Page 23 43 Ref 3105978 Z Axiohm Cutter initialisation logic chart Read switch status and set step counter to 0 switch closed yes opened yes Step backward at 2 ms yes Step backward at 2 ms Step Counter Step Counter 1 switch opened yes Achieve 10 more steps backward feed Step forward at 2 ms switch closed Achieve step counter 2 steps forward CM RM Series User Manual Page 24 43 Ref 3105978 Z Axiohm 4 6 6 Cutter Motor Acceleration Ramp Up The cutter can be started with a motor step time of 2 ms then the speed can be increased by reducing this cycle time up to 1 ms following the curve given here after Sep 1 2 3 4 5 6 7 8 Sep 9 H
4. Zener diode Motor winding 24V Mot indi otor winding Zener diode 24V Clamping diode Note If the phase currents are switched to zero the position in the sequence must be memorised When the winding currents are re applied the polarities corresponding to the last known position should be used This ensures that the motor will re start correctly this is still true for next chapter bipolar motor 4 5 Bipolar paper feed motor An optional bipolar motor is available for paper feed 4 5 1 General specification Recommended control voltage 24V Coil resistance 20 10 Number of phases 4 Step angle 7 30 Paper feed for one printing line 2 CMBC 1 CMDG Recommended control current 300 mA peak Maximum starting frequency 500 pps 4 5 2 Connections PIN n 1 2 brown 4 orange Wire length 1111 60 10 mm Connection to flexible CM RM Series User Manual Page 20 43 Ref 3105978 Z Axiohm 4 5 3 Induction sequence and timing NEN BLACK YELLOW BROWN ORANGE Voltage on cable is negative where shown as Voltage on cable is positive where shown as 11 Currents removed curentinto gt winding A current into winding B Currents Motor Steps restored There are 4 different conditions for the motor windings The sequence is _ PAB AB gt AB gt AB Where AB stands for A is positive and
5. 2 B 4 15 Notes This curve uses 2000us on the first 5 steps this does not correspond to an acceleration but to routine applied in the next logic chart where step n means one motor step is achieved with the step time given above This acceleration ramp up can be used either for forward or backward blade movement 4 6 7 Cutter Driving Chart This first chart allows to start the cutter with the acceleration ramp up previously given for motor step time Start motor at 2ms step 1 yes step n 1 no step 15 yes switch closed no yes no 1 step 15 es yes no see Partial Cut chart see Full Cut chart CM RM Series User Manual Page 25 43 Ref 3105978 Z Axiohm The chart changes now here depending on the type of cut required partial or full cut PARTIAL CUT FULL CUT yes yes yes yes Forward Forward speed speed nuo yes yes r c Switch closed yes yes d Backward Send switchi steps Jam Status H n Switch 2 is the number of steps yes Mec for the cutter motor acceleration Status is the number of steps dis for the total cycle of Backward partial or full cut switth steps End CM RM Series User Manual Page 26 43 Ref 3105978 Z Axiohm 4 7 Cutter micro switch specifications 4 7 1 General specification DB3A A1BA Switch C
6. 3103223 Mechanism Kit for CM RM bipolar motor Print head Kits those kits contain the print head the flexible and the opto sensor PRINT HEAD KITS REF DESIGNATION QTY 3103168 Print head Kit for CM RMBC 4 dots mm 3103169 Print head Kit for CM RMDG 8 dots mm Cover with cutter kit this kit contains the guillotine cutter the cutter motor and the cutter switch all integrated to the cover COVER WITH CUTTER KIT REF DESIGNATION Flex cable kit those cables 10 per kit are designed to connect the printer to its controller board FLEX CABLE KIT REF DESIGNATION CM RM Series User Manual Page 35 43 Ref 3105978 Z Axiohm 9 APPENDICES 9 1 APPENDIX 1 THERMISTOR SPECIFICATIONS GENERAL CHARACTERISTICS Climatic category IEC 40 85 56 for xMBC Maximum operating temperatures Rated resistance at 25 C Tolerance for Rn Maximum dissipation at 25 C Pmax 024mW Thermal dissipation factor Thermistor time constant dot line Resistance value as a function of temperature see curves This thermistor has a rated value of 100 Its resistance variation can be expressed as follows Rn exp where T is in kelvin degrees K B 4170 K for xMBC 4066 K for xMDG Rn reference value at temperature Tn 295 K The main specifications of the thermistor are listed in the following pages NTC thermistor rectangular s
7. sensor and release wires unscrew paper feed motor and remove it pull out the printhead Fit the new one fit the new printhead fit and screw the paper feed motor fit the opto sensor wires and clip the opto sensor clip the flex cable fit the printhead springs fit and screw the chassis CM RM Series User Manual Page 42 43 Ref 3105978 Z 9 5 APPENDIX 6 PRODUCT NAME 8 CODIFICATION Axiohm s Products are codified with height digits This appendix explains the digit signification Digits 1 2 3 4 XXXX xxxx The digits 1 2 3 4 indicate the printhead chosen CMBN CMDG CMDL C becomes R when a robust cutter is fitted to the mechanism Digit 5 Xxxx Cover option for printer without cutter 0 without cover 1 with cover or with cutter Reference for cover only is CMCV0001 Digit 6 xxxx xXxx Additional gear for rewinder 0 without rewinder gear 1 with rewinder gear contact Axiohm for availability Digit 7 Type of stepper motor Stepper motor for paper advance Stepper motor for cutter Unipolar Bipolar Unipolar 1 Digit 8 xxxX Position of paper end detector 3 front 4 bottom Example Mini printer mechanism 4 dots mm 24 v with robust cutter and front paper entry RMBC 1003 Customized printers The codification of customized printers is different The codes are given by the product management with a chronological number sta
8. your fingers Allow the solvent to dry Reload the paper and close cover N B AXIOHM is able to provide cleaning kits Ref CK60000A CM RM Series User Manual Page 33 43 Ref 3105978 Z Axiohm 6 8 Special recommendation for cutter Mechanical stress should not be applied to the cutter cover it would lead to a blade movement perturbation Make sure the ground is connected Ground must stay connected while operating and manipulating the cutter cover Do not keep the cutter motor phase while the cutter is not operating this would also lead to increasing motor temperature To avoid paper jam it is recommended to feed 2 mm of paper 16 motor steps after cutting A vertical position as shown on next drawing is better for paper dust elimination paper exit To release blades in case of jam use the wheel shown on next drawing wheel available m labl Ground from the side WASET dee connection from the top m CM RM Series User Manual Page 34 43 Ref 3105978 Z 7 PAPER SUPPLIERS ARJO WIGGINS Ref 5752 57 2320061 in AXIOHM classification see appendix 2 for specifications 8 SPARE PARTS All spare parts for kits are supplied as individually packaged loose parts Mechanism Kits Those kits contain chassis paper feed motor gear train and platen MECHANISM KITS REF DESIGNATION 3103166 Mechanism Kit for CM RM unipolar motor
9. 90 10 10 Fig 10 Timing diagram for CM RMDG CM RM Series User Manual Page 15 43 Ref 3105978 Z Axiohm CM RMBC CM RMDG eee EE Tek Serial clock period 100 20 TrTf Risefalltmefclock 10 gt 90 10 Tdec ClocktoOEdelaytime 10 mw O to clock delay time 1 n Tsdc t3 Data in to clock setup time 20 50 ns Thde t4 Data in from clock hold time 20 10 ns Tdesd t7 Serialdataoutfromclockdelay 80 120 ns Tdesl Serial data out from clock delay uo Tsd t Clock to strobe delay time 100 100 Ts t5 Strobehightime 100 10 Tdo StrobetoOEdelaytime 100 Tdoedo t8 OEtodataoutdelaytime 025 2 ps Data out fall time 10 gt 90 1 05 ps Tddoe OEtodataoutdelaytime 1 us Data out rise time 10 gt 90 _ 1 2 us have to be considered only for CM RMBC 10 pf load on output all inputs Vil Vss 0 5 Vih VDD 0 5 ide 10 pf load on output standard Vil and Vih TOS Vdd 5V Temp 25 C with a resistant load R1 500 connected to 24V Can not be measured These parameters will be assured by design after characterisation of the prototypes TIMING RESTRICTION
10. B is negative etc e This electrical sequence corresponds to a sequence of 4 consecutive mechanical positions The sequence 15 repeated 12 times for each revolution tl 0 4 ms 2 2ms Motor initialisation Once the initial winding currents have been applied they must be maintained for a time t1 Once this time has passed the motor may be operated by changing the winding currents in the usual way The same acceleration table can be used for bipolar motor than for unipolar motor see page 18 To take up the play in the gears it is necessary to operate the motor for 16 steps before starting to print CM RM Series User Manual Page 21 43 Ref 3105978 Z Axiohm 4 5 4 Bipolar stepping motor electric control 820 pF 820 pF From p processor Phase B HB Fig 13 Example Note 1 Hs resistors of 0 8 ohm with IQA and 1 and 0 gt 0 3 the required control current for paper feed with IOA 0 and HA and 0 gt 0 5 A the required control current for cutter Note 2 to optain 0 8 Q which is not standard it is possible to set 1Q and 4 75Q in parallel For other stepping motor control requirements please contact us CM RM Series User Manual Page 22 43 Ref 3105978 Z Axiohm 4 6 Bipolar cutter motor 4 6 1 Overview The cutter is mounted to the printer cover and includes parts below Stepping motor Cutter drive wheel amp rack
11. S CM RMBC No clock transistions may take place during Tscl tst Tdoes Tdoec and Tdcoe Data input must change on the falling edge of the clk input Data must be stable during Tsdc Tr and Thdc CM RM Series User Manual Page 16 43 Ref 3105978 Z 4 3 4 Printhead Connection PINOUT OF ZIF 30 CONNECTOR Cutter motor B1 Cutter motor A1 Cutter motor A2 09 x 6 Cuttermotor 2 n thermistor 7 2 thermistor 0 8 Anode Optosensor 28 Oo os 26 Paper feed motor A1 x v 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 1 30 This connector fitted on your printer should be connected to your board with a 30 pins flex to another compatible connector Compatible connectors suppliers and references Molex 5597 3951 3304 straight connector Molex 5597 3951 3303 bent connector Stocko MZF 9390 60 3030 straight connector Stocko MZF 8900 60 3030 bent connector CM RM Series User Manual Page 17 43 Ref 3105978 Z Axiohm Chip connection for 4 dots mm print head CM RMBC 3 chips to connect CHIP 1 CHIP 2 CHIP 3 OE 1 OE 2 OE 3 Fig 11 Chip connection for 8 dots mm print head CM RMDG 6 chips to connect CHIP 1 CHIP 2 CHIP 3 CHIP 4 CHIP 5 CHIP 6 OE 1 OE 2 OE 3 Fig 12 CM RM Series User Manual Page 18 43 Ref 3105978 Z Axiohm 4 4 Unipolar paper feed motor 4 4 1 General spe
12. THERMAL PRINTER MECHANISM Mini Printer CM RMBC CM RMDG User Manual Reference 3105978 7 April 2000 AXIOHM 1 9 Rue d Arcueil 92120 Montrouge France Tel 33 0 1 47 46 78 00 Fax 33 0 1 47 46 78 76 1 43 Axiohm IMPORTANT This manual contains the basic instructions to run your printer Read it carefully before using your printer paying full attention to section concerning recommendations CM RM Series User Manual Page 2 43 Ref 3105978 Z Axiohm TABLE OF CONTENTS 1 UNPACKING 5 2 OVERVIEW 5 3 MECHANICAL SPECIFICATIONS 6 3 1 General description 6 3 2 Dimensions of the complete mechanism 6 3 3 Mechanical views 7 4 ELECTRICAL SPECIFICATIONS 11 4 1 Nominal Power supply 11 4 2 Nominal Consumption 11 4 3 Description of printhead 11 4 3 Function of each 64 bit IC integrated circuit 12 4 3 2 Operation of the complete module 13 4 3 3 Electrical specifications of 64 BIT LSI driver 14 4 3 4 Printhead Connection 17 4 4 Unipolar paper feed motor 19 4 4 1 General specification 19 4 4 2 Connection 19 4 4 3 Induction sequence 19 4 5 Bipolar paper feed motor 20 4 5 1 General specification 20 4 5 2 Connections 20 4 5 3 Induction sequence and timing 21 4 5 4 Bipolar stepping motor electric control 22 4 6 Bipolar cutter motor 23 4 6 1 Overview 23 4 6 2 General specification 23 4 6 3 Connection 23 4 6 4 Induction sequence 23 4 6 5 Cutter Initialisation 23 4 6 6 Cut
13. a time ratio of 2 on 3 off up to 2 minutes maximum of continuous printing Examples 2 seconds on followed by 3 seconds off 20 seconds on followed by 30 seconds off CM RM Series User Manual Page 32 43 Ref 3105978 Z Axiohm 6 5 Recommendations for paper As paper roll bearing use an AXIOHM reference or approved by Use a paper roll of maximum diameter 80 mm when paper slides on its bucket this value can be overshot up to 120 mm when paper roll is mounted on a friction less axis the maximum diameter also depends on the acceleration ramp up because of inertia Leave the paper stock spool free to turn The printer should not operate without paper as this will damage the surface of the platen Paper with bad factor may affect the printhead life 6 6 General Ensure that there is adequate air circulation around the printhead support heatsink as poor ventilation of the printhead can degrade the print quality Never open the cover whilst the cutter is operating Never introduce tools inside the printer wires could be de soldered or short circuited It is very important that the printhead support heatsink is connected to the customer appliance chassis see 16 pinout connection GND Ensure that the cutter blades are in the correct position before use in order to ensure that they do not deteriorate when continuous printing is performed the supply energy should be reduced so that the head tempe
14. cification Operating range 20V lt V 28V 24V nominal Coil resistance 150 Q 10 Number of phases 4 Drive method 2 phases on Current drawn 160 mA per phase Maximum starting frequency 500 pps Steps to initialize paper feed 4 Step angle 7 30 Number of steps per revolution 48 Acceleration table this motor takes 20 steps to reach its maximum speed 1600 us which means 600 pps and 75 mmys In this table the first row shows the motor pitch and the second one shows the motor phase time in us i 2 3 4 5 6 7 8 9 10 2000 1997 1990 1981 1950 1930 1908 1883 1858 2 14 15 7 13 14 15 1832 1806 1781 1757 1734 16 17 18 19 20 1715 1698 1683 1674 1667 4 4 2 Connection Connection to the PCB La B _ s my The PCB is then connected to the flexible containing all supply and control see page 16 4 4 3 Induction sequence BLACK BROWN ORANGE YELLOW RED RED Step 1 ot pos oc Voltage on cable is negative where shown as Otherwise cable is floating except if shown as CM RM Series User Manual Page 19 43 Ref 3105978 Z External circuit Examples 1 when clamping diode is not integrated to the stepper motor driver 2 when clamping diode 15 integrated to the stepper motor driver Vch 24V Vch 24V Vch 24 24V
15. e tables are presented on next pages The motor cycle time for one dot line is given in the second top line of the table it is the time for one or two motor step s The column 3 indicated with speed xxx mm s and motor cycle time xxx ms gives the required heating time giving the necessary energy to obtain an optical density of 1 2 Two areas are then defined in tables Area 1 white The motor cycle time for one dot line is greater than the heating time indicated in column 3 Area 2 high lighted The maximum heating time is greater than the motor cycle time Note when the required heating time function of speed voltage and temperature becomes greater than the motor cycle time printer cannot be operated This does not occur for xMxx printers at voltages and speeds indicated in this manual How to use tables heating time can be controlled either with or without historical control 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 this method Example for CM RMBC at 70mm s 30 C and 24 volts heating time 1 26 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 subline and the time from column 3 when it has not This method gives the best printing quality Example
16. for xMBC at 50 mm s 20 C and 24 volts previous dot dot to heat Heating time to apply dot on j Ll 1 57 ms dot OFF 2 79 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 subline 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 for xMDG at 70 mm s 0 C and 22 volts previous dot dot to heat Heating time to apply dot ON E gt _ L2 0 94 ms dot OFF L n 1 79 ms CM RM Series User Manual Page 39 43 Ref 3105978 Z Axiohm Heating time for CM RMBC with paper WS 752 57 Tension Temp C Speed mm s R 518 Ohms Volts lt 5 mm s 30 mm s 40 mm s 50 mm s 60 mm s 70 mm s 75 mm s gt 50 mm s 8 33 ms 6 25 ms 5 ms 4 17 ms 3 58 ms 3 33 ms 2 De 2 NN DO PRPRPRPeEDNIP F FP lt PPP PPP NN N H HN S Ns S N N N N W W DPR l o PRP P RPP EH H PPR PPP RRP O O O F P O O i 2 BIO
17. have been specially designed to fit in the minimum space CMxx Printer only or printer with optional tear bar cover RMxx Printer with robust guillotine cutter Very small size printer and cutter Silent mechanism Option of 4 dots mm or 8 dots mm print heads Easy to connect only one connector for motor printhead opto sensor and cutter Front and bottom paper introduction possible SUMMARY OF PRINTER SPECIFICATIONS VALUE UNITS Printing method Static thermal dot line printing RM Number of resistor dots 48 Printing width r Paper feed dot line Paper empty detection Operating voltage range Vcc logic Operating voltage range Vch dot all dots on at nominal value Current consumption i gt A 3 3 mA per resistor dot CM RM Series User Manual Page 5 43 Ref 3105978 Z Peak printhead current Current consumption V cc at nominal value Axiohm Current consumption Stepping motor for paper feed 320 600 bipolar mA Current consumption Stepping motor for cutter 500 1000 bipolar mA to 50 version with cutter RM CET fT Per AXIOHM standard test conditions which are mainly 24V 25 C dot printing duty cycle 30 3 MECHANICAL SPECIFICATIONS 3 1 General description The mechanism consists in Plastic chassis Robust guillotine cutter with relevant motor and switch for RM versions Stepping motor Gear train Printhead E
18. herry Contact resistance 50 Maximum 125 V AC UL VO 2 000 000 Open Close cycles 4 7 2 Connection Connected to the PCB with cutter motor and integrated to the flexible Open Closed White White Closed Open 4 8 Opto sensor specification 4 8 1 Electrical characteristics Absolute Maximum ratings LED Continuous Forward Current Pulsed forward current Reverse voltage Max Power Dissipation at 25 C max PHOTO TRANSISTOR Collector Emitter Voltage Collector Current Collector Dissipation at 25 C max Time On Time Off T 100us T On T Off 10 ms Note Driving the sensor with pulse current allows to use higher current to improve paper detection CM RM Series User Manual Page 27 43 Ref 3105978 Z Axiohm Input Output Conditions LED Forward voltage Reverse current TRANSFER CHARAC Collector dark current Light Current Leakage Current Rise time Fall time Peak wave length VCE 10V VcE 5V IF 10mA VCE SV IF 10mA 2V IC 100uA RL 1kQ 4 8 2 Connection Connected to the PCB the opto sensor 15 then clipped front or bottom position 4 8 3 External circuit Example Vcc 5 SV pulse 10kQ 68 Opto sensor CPU PORT E green 7 2 74 4 N N 3 black GND Fig 14 Rise time and fall time depend on the voltage and current driving conditions In the example abo
19. ifications of 64 BIT LSI driver 4 3 3 1 General Maxvolageatoutputs 1064 05 8 264 V Maxinputvoltage 5 7 V Max output current dot 0 0723 m Total max output current 29 a7 A 64 x 60 mA x 0 75 2 9 A for RMBC 4 3 3 2 Other The specifications given below are given for the following conditions Room temperature Logic voltage on chip 4 75 V lt Vdd lt 5 25 V Clock frequency 10 MHz CM RMBC AMHz CM RMDG Current per controlled element dot Vdd 5V Idd Min high level input voltage Vih Max low level input voltage i lt i Vil Max high level input current 5 lih Max low level input current Min high level output voltage Io Iohmax 2 4 Voh Max low level output voltage Io Iolmax 4 Vol Max high level output current Iohmax Max low level output current Iolmax Heating current xMBC Max power output current Vdon Vdonmax 60 mA Idomax Max output leakage Vdon 24 V 1 Idoleak current Max output voltage Idout Idomax 1300 mV Vdonmax Deviation for Vdonmax 200 mV dVdon CM RM Series User Manual Page 14 43 Ref 3105978 Z Axiohm 4 3 3 3 Timing DIN 5063 STB Clock Serial in Serial out Strobe OEn Data Out n Tst Tdos Tdoec Tdcoe Tdoec m p p 2 Tdoedo Tfdo Tddooe Trdo m m p Fig 9 Timing Diagram for CM RMBC t6 t5 t10 90
20. ize IEC 12 05 silver palladium metallic coating CM RM Series User Manual Page 36 43 Ref 3105978 Z Axiohm APPENDIX 1 Contd 100KOhms Rn 2 Hot uu ill pee X LUT lt i 40 30 20 10 10 20 730 40 50 FO 90 100 110 120 130 a T R ohms TEC 25 C Ref 3105978 Z Page 37 43 CM RM Series User Manual Axiohm 9 2 APPENDIX 2 Paper specification Paper WS 752 57 ref 2320061 in Axiohm classification for 5 cm diameter roll Gramms ISO 536 56 3 Thickness ISO 534 um 61 4 Surface ISO 5627 Beckk 300 min smoothness Brightness BNL2 91 Whiteness Macbeth RD 914 OD 0 09 min Opacity 83 T425 BNL2 Tensile strength ISO 1924 1 N 15 mm 40 min MD 20 min CD Tear Strength ISO 1974 mN 300min MD 33 min CD Colour Image Black Saturation Density Dynamic test Macbeth 1 25 min RD914 Initiation T Heated platen C 70 maxi Saturation T Heated platen C 105 110 Property Conditions Image Loss Whiteness Loss Macbeth Macbeth RD914 RD914 Heat stability 60 C 24 hrs 10 maxi 0 10 maxi Moisture stability 90 RH 40 C 5 Maxi 0 01 maxi 24 hrs Light stability 5000 lux 100 5 maxi 0 01 maxi hrs CM RM Series User Manual Page 38 43 Ref 3105978 Z Axiohm 9 3 APPENDIX 3 Heating time and historical control The heating tim
21. let is used we recommend an additional paper guiding to facilitate correct paper introduction See the fixation position make sure it is easy enough to release printer this operation is necessary for easy maintenance change of printhead for example Space to open cover the cover which contains the cutter is strongly clipped it is necessary to leave enough place to catch it in order to open it 6 3 Energising amp de energising printer When energising the thermal printhead Vcc 5 V it 1s important to apply all the logic signals within 10 ms particularly to de energise all the OEs If the line of dots Vch 24 V 15 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 avoid 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 4 Printing recommendations In order to avoid excessive noise from the stepper motor avoid using it at the following frequencies between 150 and 250 pps for better printing quality avoid fast speed variations To avoid the paper feed motor temperature rise use
22. nd of paper opto sensor 3 2 Dimensions of the complete mechanism 32 36 CMxx with cover 42 1 mm RMxx 61 62 5 with cover 65 75 mm RMxx Width without rewinder option 74 5 74 5 mm Weight MEX 140 CMxx 250 g RMxx CM RM Series User Manual Page 6 43 Ref 3105978 Z Axiohm 3 3 Mechanical views Fig 1 CM without cover dimensions N Series User Manual Page 7 43 Ref 3105978 Z Axiohm Fig 3 Side view with cover Fig 4 front view with cover CM RM Series User Manual Page 8 43 Ref 3105978 Z Axiohm Fig 5 bottom view fixing holes Doy STAR AS 46 Use self threader screws for plastic the fixing holes diameter being 2 5 mm use a maximum diameter of 3 mm for screws and a maximum depth in chassis of 7 mm from the external edge of holes CM RM Series User Manual Page 9 43 Ref 3105978 Z Axiohm Fig 4 cutter top view paper exit wdth 60 5 Fig 5 Opto sensor position The position of the end of paper opto sensor relatively to the paper allows top off form detection Paper non sensitive layer paper path direction front paper inlet rear paper inlet CM RM Series User Manual Page 10 43 Ref 3105978 Z Axi
23. ohm 4 ELECTRICAL SPECIFICATIONS 4 1 Nominal Power supply Printer CM RMBC CM RMDG Printhead Logic Vcc 5 VDC Dot line 24 VDC 4 2 Nominal Consumption VDC Printhead Heating current dot 43 23 Vch at nominal values Logic current dot Vcc 100 MM MEME press i p pap 600 bipolar Stepping Motor 2 activated 1000 bipolar phases for versions with cutter RMxx Maximum instantaneous current per dot line at 24V 8 8 A 4 3 Description of printhead Driver chips 5 64 bit BICMos LSI Nominal dot energie 20 in standard conditions Max printing speed with 24V power supply with dot historical control CM RM Series User Manual Page 11 43 Ref 3105978 Z Axiohm 4 3 1 Function of each 64 bit IC integrated circuit Vch 1 2 3 4 OUTPUTS 62 63 64 Line of resistor dots E Q Q Q Q Q Q TN Output Enable OE oi EE OE2 TL _ ee ee Serial 64 bits shift Input SI registers a OD L 11 L1 Y SERIAL OUTPUT SO Fig 6 Driver IC schematic These circuits are supplied by SV 5 logic voltage Each circuit features 64 open collector transistors 64 bit shift register 64 bit memory register Each circuit controls 64 resistor dots on the printhead The heating element power supply VCH is not connected to the Driver ICs but only to the resistive line of dots itself The driver ICs are connected
24. rature monitored through the thermistor will remain below the maximum temperature When setting power on power off strobe STR shall be on disable Heat elements and IC s shall be anti electrostatic in order to prevent electrostatic destruction Do not touch the connector pins with fingers Make sure no foreign particles roll on the head surface this would cause damage If condensation occurs do not switch on the printer until it has disappeared 6 7 Cleaning recommendations The CM RMBC and CM RMDG mechanisms are high reliable units which require very little maintenance but may benefit from cleaning as detailed below Depending on the environment in which the printer is used the printer can accumulate dust Therefore it is necessary to clean it periodically in order to maintain a good print quality The cleaning period is dependant on the environment and the usage of the printer but the printhead should be cleaned at least once a year or up to one month in heavy duty applications The printhead should always be cleaned immediately if the print becomes visibly fainter due to its contamination Cleaning Instructions Switch off printer Never clean the head immediately after printing the head may be hot Open the printer cover and remove the paper from its slot Clean the heating dots of the head with a cotton stick containing a solvent alcohol ethanol methanol or IPA but do not touch the printhead with
25. rting at xxxx S000 or specific codes that are listed below CM RM Series User Manual Page 43 43 Ref 3105978 Z
26. ter Motor Acceleration Ramp Up 25 4 6 7 Cutter Driving Chart 25 4 7 Cutter micro switch specifications 27 4 7 1 General specification 27 4 7 2 Connection 27 4 8 Opto sensor specification 27 4 8 1 Electrical characteristics 27 4 8 2 Connection 28 4 8 3 External circuit 28 CM RM Series User Manual Page 3 43 Ref 3105978 Z Axiohm 5 PRINTER CONTROL TECHNIQUES 5 1 5 2 995 Mode 1 Mode 2 Mode 3 6 RECOMMENDATIONS 6 1 6 2 6 3 6 4 6 5 6 6 6 7 6 8 Mechanical recommendations Housing design recommendations Energising amp de energising printer Printing recommendations Recommendations for paper General Cleaning recommendations Special recommendation for cutter 7 PAPER SUPPLIERS 8 SPARE PARTS 9 APPENDICES 9 1 9 2 9 3 9 4 9 5 CM RM Series User Manual Page 4 43 Ref 3105978 Z APPENDIX 1 THERMISTOR SPECIFICATIONS APPENDIX 2 Paper specification APPENDIX 3 Heating time and historical control APPENDIX 4 CHANGE PRINTHEAD APPENDIX 6 PRODUCT NAME amp CODIFICATION 29 29 30 31 32 32 32 32 32 33 33 33 34 35 35 36 36 38 39 42 43 Axiohm 1 UNPACKING Each printer mechanism is packaged in an antistatic bag Observe precautions for handling in electrostatic protected areas 2 OVERVIEW Based on static thermal technology the RM series is a family of user friendly highly reliable devices which
27. ve we recommend to measure the sensor response 300 us after the current leading edge of the pulse or current establishment in the sensor LED CM RM Series User Manual Page 28 43 Ref 3105978 Z Axiohm 5 PRINTER CONTROL TECHNIQUES Printer control techniques in order to operate the printer We depict hereafter three possible modes 5 1 Mode 1 The paper feeds itself automatically during the heating cycle thereby permitting a high speed to be achieved in this mode it is recommended to use historical control see page 35 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 2 OEn simultaneously End of printing Din Strobe 8 11 IL on ee 171 Motor Steps Clock frequency 10 MHz maximum for CM RMBC 4MHz for CM RMDG Fig 15 Timing diagram for mode 1 CM RM Series User Manual Page 29 43 Ref 3105978 Z Axiohm 5 2 Mode2 The paper feed occurs after the heating cycle giving high quality printing Printing of n dot line Transmission of data in series Din in step with CLK Transfer to memory stage STROBE Heating controlled T f through ransmission of next OE 1 OE 2 0En series of data simultaneously End of printing CLK Din 4 pa Strobe 1010
28. via a pattern of high current gold interconnecting traces to the line of resistor dots The dot line is of the interdigitated type in order to maintain the tight definition of the dot geometry and resistance In such a scheme the heating element power supply VCH forms a comb of traces over which the resistive line of dots is laid The outputs of the driver ICs form a second comb interdigitated with the first CM RM Series User Manual Page 12 43 Ref 3105978 Z Axiohm 4 3 2 Operation of the complete module R1 R64 R 1 64 Resistors Resistors CHIP CHIP 1 N SI SO SI SO IN OUT 1 OE 2N 1 2 OE 2 s CLK STROBE Fig 7 Data to be printed is clocked into a shift register formed by cascading n chips E g 384 dot head uses 6 chips with the SO output of chip 1 used as the SI input for chip 2 etc Respectively the SO output of chip 2 is used as the SI input for chip 3 etc After 384 clocks the initial piece of data entered corresponds to the last 384 dot of the line the R64 output of the 6 chip The last bit of data entered will correspond to the first dot of the line R1 of the first chip _ Line of dots R1 of chip 1 of chip 1 Printhead substrate Sensitive layer Printhead bottomview paper feed paper side direction Thermal paper Fig 8 Routing of data to the resistor dots CM RM Series User Manual Page 13 43 Ref 3105978 Z Axiohm 4 3 3 Electrical spec
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