cm/rmdl mini-printer series 60 mm printer mechanism user
Contents
1. Step 1 2 3 4 5 6 7 8 Time us 2000 2000 2000 2000 2000 1800 1660 1530 Step 9 10 11 12 13 14 15 Time us 1420 1330 1250 1170 1110 1050 1000 Note This curve uses 2000us on the first 5 steps this does not correspond to acceleration but to a 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 5 7 Cutter Driving Chart This first chart allows starting the cutter with the acceleration ramp up previously given for motor step time Start motor at 2ms step 1 switch closed step n 1 no see Partial Cut chart see Full Cut chart CM RMDL 12V Printer Mechanism Series User Manual Page 22 38 Reference FDE 3106289 Issue B Axiohm The chart changes now here depending on the type of cut required partial or full cut PARTIAL CUT FULL CUT Acceleration Acceleration n n 1 no no n gt 15 yes Forward z Switch no ax spee open yes c c 1 no c 148 HD Switch no c gt 550 yes closed c 0 amp n 0 a yes Backward Ems steps Backward Send switch steps Jam Status n gt 15 gt End Yes Switch T is the number of Heer steps for the2. CRE Fig 2 front view with cover 33 25 S L 2 19 46 Fig 3 bottom view fixing holes 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 RMDL 12V Printer Mechanism Series User Manual Page 8 38 Reference FDE 3106289 Issue B Mechanical views continued paper exit wdth 60 5 Fig 4 cutter top view The position of the end of paper opto sensor relatively to the paper allows top off form detection Paper sensitive layer paper path direction front paper inlet rear paper inlet Fig 5 Opto sensor position CM RMDL 12V Printer Mechanism Series User Manual Page 9 38 Reference FDE 3106289 Issue B Axiohm 4 ELECTRICAL SPECIFICATION 4 1 Nominal Power supply Print head Logic Vcc 5 VDC Dot line 12 VDC Stepping motor 4 2 Nominal Consumption Print head Heating current dot 0 025 mA Vch at nominal values Stepping Motor 2 activated phases for paper feed w m Stepping Motor 2 activated phases for cutter 1800 Maximum instantaneous current per dot line at 12V 4 3 Description of print head Driver chips 64 bit CMos LSI Nominal dot energy 0 34 I m in standard conditions Max printing speed with 12V power supply 75 mm sec with dot historical
3. in table at 40 mm s 40 C and 10 volts heating time 3 1 ms 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 40 mm s 50 C and 10 volts previous dot dot to heat Heating time to apply BB dot ON gt E gt fy 1 8 ms dot OFF F E l 2 88 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 40 mm s 0 C and 10 volts previous dot dot to heat Heating time to apply E dot ON E dot OFF _ gt E 3 13 ms 2 5 ms CM RMDL 12V Printer Mechanism Series User Manual Page 35 38 Reference FDE 3106289 Issue B Axiohm Heating time for CM RMDL with paper KP440 and print head resistance 480 Q Voltage Temperature V CO Speed mm s R 480 Ohms 10 00 V 3 990 ms lt None gt lt None gt 10 00 V 3 770 ms lt None gt 10 00 V 3 550 ms 1 610 10 00 V 3 430 ms 1 560 10 00 V 3 320 ms 1 510 10 00 V 3 100 ms 1 410 10 00 V 2 880 ms 1 310 11 00 V 3 350 ms 11 00 V 3 160 ms 11 00 V 2 980 ms
4. Axiohm THERMAL PRINTER COMPONENTS CM RMDL MINI PRINTER SERIES 60 MM PRINTER MECHANISM USER MANUAL Reference 3106289 Issue B October 2003 AXIOHM I rue d Arcueil BP 820 92542 MONTROUGE CEDEX FRANCE Tel 33 1 58 07 17 17 Fax 33 1 58 07 17 18 www axiohm biz Axiohm EVOLUTIONS Date Issue Modifications oS O 09 00 A fa Update 09 03 B Update addition of opto sensor information CM RMDL 12V Printer Mechanism Series User Manual Page 1 38 Reference FDE 3106289 Issue B Axiohm IMPORTANT This manual contains the basic operations for running your printer Read it carefully before using your printer Pay special attention to the chapter Recommendations CM RMDL 12V Printer Mechanism Series User Manual Page 2 38 Reference FDE 3106289 Issue B Axiohm CONTENTS MECHANICAL SPECTFICATIONG cccccssssssessscssssessscesscsssssssssore 7 3 1 General AESCHIPUION sessissisccisisscersctsssccdsvensesscedonsaesieseosvissoosasssuasecidesoesesssenss 7 3 2 Dimensions and weight of the complete mechanism 7 3 3 Mechanical views senvonnvenuvenevenevnnevnnevnvevnennennneennnennnenenenennnnnnennnennnennneenneenee 7 4 ELECTRICAL SPECIFICATION sss ssssss sese sse sss seves sees 10 4 1 Nominal Power TTT 1 10 4 2 Nominal Consumption ss 10 4 3 Description of print head sssesosevovsnnvenennvensvvvennvvennnvennnvennnnvenvvvennnvnnnnneener 10 4 3 1 Function of each 64 bit IC integrated
5. ER GE GE HEG Motor Steps _ y T max clock frequency 4MHz Fig 13 Timing diagram for mode 1 CM RMDL 12V Printer Mechanism Series User Manual Page 26 38 Reference FDE 3106289 Issue B Axiohm 5 2 Mode 2 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 he js Transmission of next OE 1 0E 2 0En series of data simultaneously Motor feed End of printing Strobe OE 1 DEE os Eg ee OEn ey DS i er SN mL Motor Steps _ y T Max clock frequency 4MHz Fig 14 Timing diagram for mode 2 CM RMDL 12V Printer Mechanism Series User Manual Page 27 38 Reference FDE 3106289 Issue B 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 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 0E 2 0En successively or in blocks printing Clock CLK ARL ALUL 2 T Din m p pa serial input me AEE re ann OE 1 OEn EG Motor Steps EE Ou T Max clock frequency 4MHz Fig 15 Timing diagram for mode
6. as poor ventilation of the print head can degrade the print quality e Never open the cover whilst the cutter is operating e Never introduce tools inside the printer wires could be de soldered or short circuited e Itis very important that the print head support heat sink is connected to the customer appliance chassis see p16 pinout connection GND e Ensure that the cutter blades are in the correct position before use in order to ensure that they do not deteriorate e When continuous printing is performed the supply energy should be reduced so that the head temperature monitored through the thermistor will remain below the maximum temperature e When setting power on power off strobe STR shall be on disable e Heat elements and IC s shall be anti electrostatic in order to prevent electrostatic destruction Do not touch the connector pins with fingers e Make sure no foreign particles roll on the head surface this would cause damage s Ifcondensation occurs do not switch on the printer until it has disappeared 6 7 Cleaning recommendations The RMDL 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 usa
7. circuit sees ee 11 4 3 2 Operation of the complete module sese eee eee 12 4 3 3 Electrical specifications of 64 BIT LSI driver ee 13 4 3 3 1 General 13 4 3 3 2 Other 13 4 3 3 3 Timing 14 4 3 4 Print head Connection 15 4 4 Bipolar paper feed motor sss sss sss sss ses ses sessess seene ennenen 17 4 4 1 General specification srrrnrrrnnrrrnrrrnrrrnrrrrnrrnnrrnnrrnrerssvrsnresnne 17 4 4 2 Connections 4 fissrssmmestihsnismatihintnnnrtinsfimuns 17 4 4 3 Induction sequence and timing 18 4 4 4 Bipolar stepping motor electric control 19 45 Bipolar cutter HOO essen daggers dogs rasto ega aR aa 20 4 5 1 OVE VIEW Lunar 20 4 5 2 General specification sese eee ee 20 4 5 3 Connectibn sssss sinistres 20 4 5 4 Induction S Quence TTT 20 4 5 5 Cutter Initialization sssss ss sasdoeicensaevavensuetsteaateepseneates 20 4 5 6 Cutter Motor Acceleration Ramp Up sese sese sese ee 22 4 5 7 Cutter Driving Chartresin 22 4 6 Cutter micro switch specifications ss ssss sss vesse sees esse e seene neee 24 4 6 1 General specification nsession 24 4 6 2 CONNECTION A A EET 24 CM RMDL 12V Printer Mechanism Series User Manual Page 3 38 Reference FDE 3106289 Issue B Axiohm 4 7 Opto sensor specification svssnsvennnnvensvvvennvensnvnnnnnvennnnvennvvesnnvennnnvessereer 24 4 7 1 Electrical characteristics aaas aaa aoar anaa ZR darna 24 4 7 2 Connection EE 25 4 7 3 External CiCuit userei aa e svaiv cussed Qeceavostevgusne
8. cutter motor acceleration yes ye Send i 6 130 Jam Status C is the number of steps for the total cycle an of partial or full cut switch steps no End CM RMDL 12V Printer Mechanism Series User Manual Page 23 38 Reference FDE 3106289 Issue B Axiohm 4 6 Cutter micro switch specifications 4 6 1 General specification Reference DB3A A1BA Switch Cherry Contact resistance 50 mQ Maximum Maximum Current 0 1A 125 V AC UL VO Maximum Rating 2 000 000 Open Close cycles 4 6 2 Connection Connected to the PCB with cutter motor and integrated to the flexible Contact Status guillotine blade Open Closed White White Closed Open Micro switch characteristics will be given later 4 7 Opto sensor specification 4 7 1 Electrical characteristics Absolute Maximum ratings f P M C ED Continuous I Collector current I Collector dissipation at 25 C max Symbol T y PHOTO TRANSISTOR Collector emitter voltage Vceo Collector dissipation at 25 C max T Time On Time Off T On 100us T On T Off 10 ms Note Driving the sensor with pulse current allows using higher current to improve paper detection es A L CM RMDL 12V Printer Mechanism Series User Manual Page 24 38 Reference FDE 3106289 Issue B Axiohm Input Output Conditions LED Forward voltage 1 3 Reverse current 10 TRANSFER CHARAC Collector dark current VcE 10V 2
9. for paper feed 4 4 1 General specification Recommended control voltage 12 24V Coil resistance 20 Q 10 Number of phases 2 2 Step angle 7 30 Paper feed for one printing line 1 Recommended control current 300 mA peak Maximum starting frequency 500 pps 4 4 2 Connections PIN n Motor Al 2 A2 3 B1 B2 5 6 Wire length 60 10 mm Connection to flexible CM RMDL 12V Printer Mechanism Series User Manual Page 17 38 Reference FDE 3106289 Issue B Axiohm 4 4 3 Induction sequence and timing DIE MU Ale Voltage on cable is negative where shown as Voltage on cable is positive where shown as t1 Currents removed current into winding A current into 0 D ee fT dD ES PS TE winding B Motor Steps restored There are 4 different conditions for the motor windings AB gt AB gt AB gt AB AB Where AB stands for A is positive and B is negative etc This electrical sequence corresponds to a sequence of 4 consecutive mechanical positions The sequence is repeated 12 times for each revolution tl 0 4 ms t2 2ms Motor initialization 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
10. 00 Light Current VCE 5V IF 10mA Leakage Current VCE 5V IF 10mA 200 Rise time f 2V Ic 100pA 30 Fall time RL 1kQ 25 Peak wave length 4 7 2 Connection Connected to the PCB the opto sensor is then clipped in front or bottom position 4 7 3 External circuit Example Vee SV 5V pulse 10kQ 68 Q Opto sensor CPU S PORT Vdet 74HC04 GND Fig 12 Note When paper is detected Vdet lt 2 25V Rise time and fall time depend on the voltage and current driving conditions In the example above 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 RMDL 12V Printer Mechanism Series User Manual Page 25 38 Reference FDE 3106289 Issue B Axiohm 5 PRINTER CONTROL TECHNICS 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 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 memo stage STROBE Heating controlled through OE 1 0E 2 0En simultaneously End of printing CLK ARL AL 2 Din E 4 CEE pa 50 eee O Transmission of next series of data Strobe OE 1 SN NE ey ee LE
11. 11 00 V 2 880 ms 11 00 V 2 790 ms 11 00 V 2 600 ms 11 00 V 2 410 ms 12 00 V 2 850 ms 12 00 V 2 690 ms 12 00 V 2 530 ms 12 00 V 2 450 ms 12 00 V 2 370 ms 12 00 V 2 210 ms 12 00 V 2 050 ms 13 00 V 2 460 ms 13 00 V 2 320 ms 13 00 V 2 180 ms 13 00 V 2 110 ms 13 00 V 2 040 ms 13 00 V 1 910 ms 13 00 V 1 770 ms 14 00 V 2 140 ms 14 00 V 2 020 ms 14 00 V 1 900 ms 14 00 V 1 840 ms 14 00 V 1 780 ms 14 00 V 1 660 ms 14 00 V 1 540 ms CM RMDL 12V Printer Mechanism Series User Manual Page 36 38 Reference FDE 3106289 Issue B Axiohm 7 4 APPENDIX 4 Changing the print head The print head kit contains the opto sensor and the flexible it is necessary to change the whole kit Instructions to change print head Remove existing print head unscrew chassis remove print head springs unclip flex unclip the opto sensor and release wires unscrew paper feed motor and remove it pull out the print head Fit the new one fit the new print head fit and screw the paper feed motor fit the opto sensor wires and clip the opto sensor clip the flex cable fit the print head springs fit and screw the chassis CM RMDL 12V Printer Mechanism Series User Manual Page 37 38 Reference FDE 3106289 Issue B Axiohm 8 PAPER SUPPLIERS KANZAN paper Reference KP440 reference 2320061 see appendix 2 for specifications 9 SPARE PAR
12. 3 CM RMDL 12V Printer Mechanism Series User Manual Page 28 38 Reference FDE 3106289 Issue B Axiohm 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 print head must have 1 degree of freedom Never hinder the print head from pivoting on 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 inlet 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 print head 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 Energizing amp de energizing printer When energizing the thermal print head Vcc 5 V it is important to apply all the logic signals within 10 ms particularly to de energies all the OEs If the line of dots Vch 12 V 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 avoid this we recommend applying the heating voltage Vch af
13. TROBE 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 h 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 Kor 7 Printhead substrate Sensitive layer Printhead bottomview paper feed paper side direction Thermal paper Fig 8 Routing of data to the resistor dots CM RMDL 12V Printer Mechanism Series User Manual Page 12 38 Reference FDE 3106289 Issue B Axiohm 4 3 3 Electrical specifications of 64 BIT LSI driver 4 3 3 1 General Max voltage at outputs 1 to 64 Max input voltage Max output current dot Total max output current at nominal value 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 4MHz Ss Current per controlled element dot Ida Max high level input current Ospa Tih Max low level input current Hank m Vol Max low level output voltage 0 05 V va Max high level output current pf ohm Max low level
14. TS LIST All spare parts kits are supplied as individually packaged loose parts It is possible to obtain different groups of spare parts kits AXIOHM customer service will provide the list later 10 ACCESSORIES Reference Designation Contents 10 1 Cable kits 3106959 SHORT FLEX CABLE KIT 30 CONTACTS 180MM Lot of For Products All CM RMDLxxxx short flex 30 contacts 180mm flex cable x10 3107044 LONG FLEX CABLE KIT 30 CONTACTS 250MM Lot of For Products All CM RMDLxxxx long flex 30 contacts 250mm flex cable x10 11 COMSUMABLE PARTS Available through AXIOHM distributors Reference Designation Contents 11 1 Cleaning kits 11 2 Thermal papers 2320061 THERMAL PAPER 60MMX30M For Products All CM RMDLxxxx Roll of 60mm x 30M thermal paper x1 CM RMDL 12V Printer Mechanism Series User Manual Page 38 38 Reference FDE 3106289 Issue B
15. control CM RMDL 12V Printer Mechanism Series User Manual Page 10 38 Reference FDE 3106289 Issue B Axiohm 4 3 1 Function of each 64 bit IC integrated circuit Vch 1 2 3 d sms OUTPUTS 62 63 64 Line of resistor dots E l E N l AA EEE OF1 O OE2 O oMTITIT TIT L a d tm ODL TTT ET me SERIAL OUTPUT SO Output Enable OE 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 print head 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 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 RMDL 12V Printer Mechanism Series User Manual Page 11 38 Reference FDE 3106289 Issue B Axiohm 4 3 2 Operation of the complete module R1 z R64 R1 Resistors R 64 Resistors OUT OE 2N 1 OE 2N CLK S
16. e A1 A2 B1 B2 Step 1 Step 2 E Step 3 z Step 4 S z 4 5 5 Cutter Initialization 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 Note 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 avoids reading mistake due to switch bounce CM RMDL 12V Printer Mechanism Series User Manual Page 20 38 Reference FDE 3106289 Issue B Axiohm Cutter initialization logic chart Read switch status and set step counter to 0 switch closed Start Motor step at 2ms forward feed switch opened yes Achieve 10 more steps forward feed Step backward at 2 ms yes Step backward at 2 ms Step Counter Step Counter 1 Counter Step Counter 1 Achieve 10 more steps Feen feed Step forward at 2 ms yes Achieve step counter 2 steps forward CM RMDL 12V Printer Mechanism Series User Manual Page 21 38 Reference FDE 3106289 Issue B Axiohm 4 5 6 Cutter Motor Acceleration Ramp Up The cutter can be started with a motor step time of 2 ms and then the speed can be increased by reducing this cycle time up to 1 ms following the curve given here after
17. e wheel shown on next drawing wheel available 4 Ground from the side screw wheel available connection from the top 0O 7 z J CM RMDL 12V Printer Mechanism Series User Manual Page 31 38 Reference FDE 3106289 Issue B Axiohm 7 APPENDICES 7 1 APPENDIX 1 Thermistor specifications Maximum operating temperatures Thermal dissipation factor 5mW C Thermistor time constant dot line Resistance value as a function of temperature see curves This thermistor has a rated value of 100 kQ Its resistance variation can be expressed as follows 1 1 a R Rn exp B Lr ral where T is in kelvin degrees K B 4066 K Rn reference value at temperature Tn 295 K The main specifications of the thermistor are listed in the following pages NTC thermistor rectangular size IEC 12 05 silver palladium metallic coating CM RMDL 12V Printer Mechanism Series User Manual Page 32 38 Reference FDE 3106289 Issue B Axiohm APPENDIX I Contd RESISTANCE TEMPERATURE VARIATION for RMxx 10000 4 1000 R kOhms Rn 100KOhms 100 40 30 20 10 0 10 20130 40 50 60 70 80 90 100 110 120 130 TC CM RMDL 12V Printer Mechanism Series User Manual Page 33 38 Reference FDE 3106289 Issue B Axiohm 7 2 APPENDIX 2 Paper specification KANZAN paper type KP440 Paper rol
18. ge of the printer but the print head should be cleaned at least once a year or up to one month in heavy duty applications The print head 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 do not touch the print head with 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 RMDL 12V Printer Mechanism Series User Manual Page 30 38 Reference FDE 3106289 Issue B Axiohm 6 8 Specific recommendations 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 on while the cutter is not operating this would also lead to an 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 gJ paper exit N 20 2 To release blades in case of jam use th
19. in the gears it is necessary to operate the motor for 16 steps before starting to print CM RMDL 12V Printer Mechanism Series User Manual Page 18 38 Reference FDE 3106289 Issue B Axiohm 4 4 4 Bipolar stepping motor electric control PH pal stepper motor A O O Bl 820 pF From p processor lt H L 56 kQ it PBL Ri S i 9 10B 8 820pF TE Fig 11 Example Note 1 Rs resistors of 0 8 ohm With IQA and IOB 1 and ILA and I1B 0 gt I 0 3 A the required control current for paper feed With IOA and IOB 0 and I1A and I1B 0 gt I 0 5 A the required control current for cutter Note 2 With Rs 0 462 ohm With IQA and IOB 0 and ILA and 11B 0 gt I 0 9 A the required control current for cutter when using 12V Note 3 To obtain 0 8 Q or 0 462 Q which are not standard it is necessary to set resistances with other values in parallel For other stepping motor control requirements please contact us CM RMDL 12V Printer Mechanism Series User Manual Page 19 38 Reference FDE 3106289 Issue B Axiohm 4 5 Bipolar cutter motor 4 5 1 Overview The cutter is mounted to the printer cover and includes parts below e Stepping motor e Cutter drive wheel amp rack e Switch This cutter can achieve partial or total cuts 4 5 2 General specification Coil resistance 2 5 Q Step angle 15 Number of steps per revolution 24 4 5 3 Connection Connected to the PCB 4 5 4 Induction sequenc
20. l dimensions 2320061 O50 x 60mm x 30m 3 3 min 2 min m er lt a ETS usine open ms ee va om Tan Re mage Cobre sec KN C C mN CM RMDL 12V Printer Mechanism Series User Manual Page 34 38 Reference FDE 3106289 Issue B Axiohm 7 3 APPENDIX 3 Heating time and historical control Heating time table is given on next page with the paper reference KP440 The motor cycle time for one dot line is given in the second top line of tables it is the time for one motor step The column 3 indicated with speed lt xxx mm s and motor cycle time gt xxx ms gives the required heating time giving the necessary energy to obtain an optical density of 1 2 Three areas are then defined in table Area 1 white The motor cycle time for one dot line line2 is greater than the heating time indicated in column 3 Area 2 high lighted The heating time in column 3 is greater than the motor cycle time Area 3 indicated by The indicated heating time depending on speed voltage and temperature would be greater than the motor cycle time In areas and 2 heating time can be controlled either with or without historical control In areas 3 printer cannot be operated How to use 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 this method Example
21. mperature range 20 to 60 Relative humidity range operating 20 to 85 no condensing Operating voltage range Vcc logic 4 75 5 25 V VDC O Operating voltage range Vch dot 10 to 15 2 operating 16 VDC standby Peak print head current 7 n 10 8 A all dots on at nominal value Current consumption A E V ch at nominal value oo doy on Current consumption V cc at nominal value Current consumption stepping motor for paper feed mA Current consumption stepping motor for cutter 1800 mA Electrical life time LT Cutter life time for RMxx 1 000 000 cuts with paper reference 2320061 Over all dimensions Weight Cao whol paper rol 250 ve Per AXIOHM standard test conditions which are mainly 24V 25 C dot printing duty cycle 30 CM RMDL 12V Printer Mechanism Series User Manual Page 6 38 Reference FDE 3106289 Issue B Axiohm 3 MECHANICAL SPECIFICATIONS 3 1 General description The mechanism consists of Plastic chassis Robust guillotine cutter Stepping motor Gear train Print head End of paper opto sensor 3 2 Dimensions and weight of the complete mechanism Heights 42 1 mm Dep 65 75 mm Width without rewinder option 74 5 mm MTT 1 a ana 250 g Fig 1 Side view with cover CM RMDL 12V Printer Mechanism Series User Manual Page 7 38 Reference FDE 3106289 Issue B Mechanical views continued
22. output current PEN Values CM RMDL 12V Printer Mechanism Series User Manual Page 13 38 Reference FDE 3106289 Issue B Axiohm 4 3 3 3 Timing Telk Clock AR n t3 serial in TI TT Serial out gt Strobe OEn Data Out n Fig 9 Timing diagram Serial clock period Data in to clock setup time Clock pulse width Data out rise time 10 gt 90 Data in from clock hold time CM RMDL 12V Printer Mechanism Series User Manual Page 14 38 Reference FDE 3106289 Issue B Axiohm 4 3 4 Print head Connection PINOUT OF ZIF 30 CONNECTOR oa ee 3 18 4 Cutter motor BL 59 Thermistor 1 Thermistor 2 23 OE Collector Opto sensor 24 Data In Paper feed motor B2 Paper feed motor BI CM RMDL 12V Printer Mechanism Series User Manual Page 15 38 Reference FDE 3106289 Issue B Axiohm 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 Chip connection CHIP I CHIP 2 CHIP 3 CHIP 4 Ge OE 2 CHIP 5 CHIP 6 G OE 3 Fig 10 CM RMDL 12V Printer Mechanism Series User Manual Page 16 38 Reference FDE 3106289 Issue B Axiohm 4 4 Bipolar paper feed motor An optional bipolar motor is available
23. ses 25 5 PRINTER CONTROL TECHINICG ccccccssscsscscsssssscsssesssesssssseees 20 31 Mode I ER 20 5 2 Mode RS 27 53 Mode 3 E A E E 20 6 RECOMMENDA TIONS scsccorsscccescccesceccaesscenscsecnesoccensceuocnecasececentooseces 29 6 1 Mechanical Recommendations ssresevornvrvnvrvnnrennvenunenunennnnnnnnrnnnvennvenneennr 29 6 2 Housing design recommendations ssscccssrsssercssececsssecsssccsecscesceecssees 29 6 3 Energizing amp de energizing Printer csccccssccsscrcssscccscsccsscsssccscssccecssees 29 6 4 Printing recommendations sressssvensvvennvvvennvvennnvennnnvennnneennvnennnvennnneeseeer 29 6 5 Recommendations for paper s sssvsssvvvensvvrrsvvesnnvensnnvenvvnennvnensnvensnnveserrr JO 6 6 General snsuvnsiisumissersnenssssssssssisivrsrsssressarsrrssssesnneddansnskasssssnsss e OU 6 7 Cleaning recommendations sessvsvovsnvvensvvvennvvennnvennnnvennvveesnvnensnvensnnvessere JO 6 8 Specific recommendations for cutter 31 71 APPENDIX 1 Thermistor specifications sss sss ses ses vesse sees se essen 32 72 APPENDIX 2 Paper specification ss ssss sss sss ses se sees eee enesenn 34 73 APPENDIX 3 Heating time and historical control 35 74 APPENDIX 4 Changing the print head 37 PAPER SUPPLIERS sessions 90 SPARE PARTS LIS Eivvcssssvcctsaneccssssneniessacnsceatenencssauenseonanneceasiecarciannesced O 10 1 Cable Sanaa IG 11 COMSUMABLE PARTS caiitisitceteniuinnsurinnnmndunaiaausen IO TII Cleaning HAUS screscosiacscasssse
24. ssscsasascdsetesscsodesaciest essssscesssessedasseasiacsesesssenseaveis DO 11 2 Thermal papers ivccsiicessssesstsoessceasessacssecnsicugessaeesisovessaassteenssssostssasssseasssses O CM RMDL 12V Printer Mechanism Series User Manual Page 4 38 Reference FDE 3106289 Issue B Axiohm 1 UNPACKING Each printer mechanism is packaged in an antistatic bag Observe precautions for handling in electrostatic protected areas 2 GENERAL OVERVIEW Based on static thermal printing technology the RM series is a family of user friendly highly reliable devices which have been specially designed to fit in the minimum space A robust guillotine cutter is set to this printer mechanism for ticket cutting Very small size printer and cutter Silent mechanism 8 dots mm print head Easy to connect only one connector for motor print head opto sensor and cutter Front and bottom paper introduction possible SUMMARY OF PRINTER SPECIFICATIONS The following table provides the main specifications of the CM RMDL mechanism series VALUE Printing method Static thermal dot line printing 3 5 Number of steps dot line 1 Pape focd dot line 0125 Head temperature detection By Thermistor e C EE CM RMDL 12V Printer Mechanism Series User Manual Page 5 38 Reference FDE 3106289 Issue B Axiohm SUMMARY OF PRINTER SPECIFICATIONS 1 Continued Maximum duty cycle tOn tOff to avoid motor temperature rise Max 2 sec on Storage te
25. ter 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 s 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 e To avoid the paper feed motor temperature rise use a time ratio of 2 on 3 off up to 2 minutes maximum of continuous printing Example 2 seconds on followed by 3 seconds off 20 seconds on followed by 30 seconds off CM RMDL 12V Printer Mechanism Series User Manual Page 29 38 Reference FDE 3106289 Issue B Axiohm 6 5 Recommendations for paper e As paper roll bearing use an AXIOHM reference or approved by e 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 e Leave the paper stock spool free to turn e The printer should not operate without paper as this will damage the surface of the platen e Paper with bad factor may affect the print head life 6 6 General e Ensure that there is adequate air circulation around the print head support heat sink
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