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Rev. A

Handling and Maintenance 3-13

TM-U200 Series (Type A/AM) Technical Manual

C o n fid e n tia l

Using the Power Switch Cover

You can use the provided power switch cover to protect the power switch from accidental or
improper operation. Attach the cover as shown in the illustration below.

You can turn the power on or off with the switch cover attached by inserting a pointed object
(like a ball point pen) through either of the two small holes on the switch cover.

CAUTION:

If an accident occurs when the power switch cover is attached, pull the AC adapter
cord out of the outlet immediately; otherwise the printer may be damaged.

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Содержание TM-U200 Series

Страница 1: ...Confidential Technical manual TM U200 Series Type A AM English 400950100 Copied Date 199 Copied by ...

Страница 2: ...e to give Seiko Epson reasonable cooperation and assistance in resisting disclosure 4 You may use confidential information only for the purpose of operating or servicing the products to which the document relates unless you obtain the prior written consent of Seiko Epson for some other use 5 Seiko Epson warrants that it has the right to disclose the confidential information SEIKO EPSON MAKES NO OT...

Страница 3: ...equired to correct the interference at his or her own expense WARNING The connection of a non shielded printer interface cable to this printer will invalidate the FCC Verification of this device and may cause interference levels which exceed the limits established by the FCC for this equipment You are cautioned that changes or modifications not expressly approved by the party responsible for compl...

Страница 4: ... for moving the carriage and one for paper feeding Flexible paper feed setting permits printing in accordance with any user defined format Command protocol based on ESC POS a widely used standard Built in drawer kick out interface provides capability to drive two drawers Selectable character fonts 7 x 9 9 x 9 Kanji printing is possible Type AM only Semi automatic paper loading capability AC adapte...

Страница 5: ... U200 Series Type A AM Technical Manual Confidential Notes and Cautions Note Notes have important information and useful tips on the operation of your printer CAUTION Cautions must be observed to avoid damage to your equipment ...

Страница 6: ...iv Confidential Revision Sheet Revision Page Altered Items and Contents Rev A ...

Страница 7: ...e Motor 1 12 Print Head Unit 1 12 Home Position Sensor 1 12 Paper End Detector 1 13 Paper Roll Near end Detector Optional 1 13 Connectors 1 14 Interface Connector 1 14 Power Supply Connector 1 14 Drawer Kick Out Connector 1 15 Interface 1 17 RS 232 Serial Interface 1 17 RS 485 Serial Interface option 1 20 IEEE 1284 Parallel Interface 1 20 Buttons and Switches 1 24 Power Switch 1 24 Panel Button 1 ...

Страница 8: ...Supply Circuitry 2 17 Control Circuitry 2 18 CPU 2 19 Various detector circuits 2 24 Host interface circuit 2 24 Drawer kick out drive circuit 2 25 DIP switch read circuit 2 26 Printer Mechanism Driver Circuits 2 27 Print head driver circuit 2 27 Paper feed motor driver circuit 2 28 Carriage motor driver circuit 2 28 Auto cutter driver circuit 2 29 Chapter 3 Handling and Maintenance Handling Preca...

Страница 9: ...in Assembly 4 5 19 Carriage motor assembly 5 19 Main Assembly 5 5 20 Carriage sub assembly 5 20 Main Assembly 6 5 21 Carriage shaft assembly 5 21 Main Assembly 7 5 22 Adjustment roller shaft holder assembly 5 22 Main Assembly 8 5 23 Carriage guide shaft assembly 5 23 Main Assembly 9 5 24 Belt tension spring assembly 5 24 Main Assembly 10 5 25 Sensor assembly 5 25 Main Assembly 11 5 26 Carriage mot...

Страница 10: ...ies 5 52 Main Assembly 13 Case Unit 5 53 Main cover assembly 5 53 Main Assembly 14 Case Unit 5 54 Near end detector assembly optional 5 54 Adjustment 5 56 Platen gap adjustment 5 56 Appendix RS 485 Serial Interface A 1 Main Circuit Board Parts Layout A 6 RS 232 Serial Interface Circuit Board Parts Layout A 7 IEEE 1284 Parallel Interface Circuit Board Parts Layout A 8 RS 485 Serial Interface Circui...

Страница 11: ... and General Specifications Appearance Figure 1 1 TM U200 Series Type A AM appearance Control Panel POWER Switch Printer Cover POWER LED PAPER OUT LED PAPER OUT PRESS FEED ERROR LED PAPER FEED button PROM DIP Switches Interface Connector Frame Ground Screw Frame Ground Screw Drawer Kick Connector Power Supply Connector ...

Страница 12: ...ble in units of 1 144 inch by using commands Paper feed method Friction feed Paper feed speed Approximately 4 17 inches second 25 lines second during continuous paper feeding Characters per line See the table on the next page Characters per inch See the table on the next page Total dot count horizontal direction 7 x 9 font 400 half dot positions per line 9 x 9 font 400 half dot positions per line ...

Страница 13: ...P switch 2 1 Character dimensions characters per inch characters per line Character Structure Horizontal x Vertical Character Structure Character Set Character Dimensions WxH Dot Spacing Between Characters Characters Per Line cpl Characters Per Inch cpi 7 x 9 ANK 1 2 x 3 1 mm 047 x 122 3 half dots 40 16 Graphics 1 7 x 3 1 mm 070 x 122 0 40 16 9 x 9 ANK 1 6 x 3 1 mm 063 x 122 3 half dots 33 13 3 Gr...

Страница 14: ...ages Kanji JIS Level 1 Level 2 JIS X0208 1990 Type AM only Character structure 7 x 9 with 400 half dot positions per line 9 x 9 with 400 half dot positions per line 16 x 16 with 400 half dot positions per line Type AM only Figure 1 3 Character size 7 x 9 font example 3 1 mm 0 122 2 4 mm 0 094 1 24 mm 0 049 1 59 mm 0 063 0 159 mm 0 006 0 353 mm 0 014 ...

Страница 15: ...ide preventing paper from feeding through Make sure to detect the amount of roll paper remaining with the optional near end detector or confirm the end mark of the paper and change the paper with a new one when the paper is attached in the core by tape or glue is used Normal paper Thickness 1 sheet 0 06 to 0 085 mm 0024 to 0034 Weight 52 3 to 64 g m2 13 9 to 17 lb 45 to 55 kg 1000 sheets 1091 x 78...

Страница 16: ...artial cut leaves one point uncut Paper Roll Supply Device Take up Device A take up device automatically takes the paper roll up in connection with a paper feed motor Receive Buffer Type A Either approximately 1KB or 40 bytes selectable by DIP switches Type AM Either 512 bytes or 40 bytes selectable by DIP switches Supply device Drop in loading Maximum of 200 dots 400 positions 76 mm 2 99 20 2 mm ...

Страница 17: ...the specifications AC adapter specifications Power consumption except when driving drawer kick out Operating Mean average 43 W Standby Average 6 W Ribbon cassette specifications Model number Color Ribbon life 1 ERC 38 P Purple 4 million characters with continuous printing at 25 C 77 F ERC 38 B Black 3 million characters with continuous printing at 25 C 77 F ERC 38 B R Black and Red Black 1 5 milli...

Страница 18: ...or EPSON standard color Temperature Operating 5 to 35 C 41 to 95 F Storage 10 to 50 C 14 to 122 F except paper and ribbon Humidity Operating 10 to 90 RH non condensing Storage 10 to 90 RH non condensing except paper and ribbon Vibration resistance When packed Frequency 5 to 55 Hz Acceleration 2 G Sweep 10 minutes half cycle Duration 1 hour Directions x y and z Operating Temperature Range 40 C 104 ...

Страница 19: ... print color switching number Print head 150 million characters using an average of 2 dots wire per character The print pattern is shown in the TM U200 Series Type B Specification in Figure A 1 Auto cutter 800 000 cuts End of life is defined as the point at which the printer reaches the beginning of the wear out period Recommended paper must be used MTBF 180 000 hours Failure is defined as a rando...

Страница 20: ...nter Installation Position Install the printer horizontally Make sure it does not tilt more than 15 The printer must also be installed so that it does not move or vibrate during paper cutting or the drawer kick out operation Fastening tape is available as an option ...

Страница 21: ...nical Manual Confidential Hardware Configuration Figure 1 6 TM U200 Series Type A AM main unit configuration Carriage motor Paper feed motor Paper end detector Print head unit Home position sensor Paper roll near end detector optional Main circuit board Interface circuit board ...

Страница 22: ... Peak 1 5 A in worst case Average 400 mA at 24 VDC 25 C 77 F 600 pps 600 mA maximum Type 4 phase 48 polarity PM type stepping motor Drive voltage 24 VDC 10 Winding resistance 39 5 Ω 1 9 Ω at 25 C 77 F per phase Current consumption Peak 1 5 A maximum Average 400 mA at 24 VDC 25 C 77 F 952 pps 600 mA maximum Number of solenoids 9 Winding resistance 19 2 Ω 5 at 25 C 77 F per phase Drive voltage 24 VD...

Страница 23: ...es Type A AM Technical Manual Confidential Paper End Detector Paper Roll Near end Detector Optional Type Microswitch Voltage 5 VDC 5 Output level High when paper end is detected Type Microswitch Voltage 5 VDC 5 Output level Low when a paper near end is detected ...

Страница 24: ... ground the frame ground FG screw on the board at the bottom of the unit Ground wire terminal hole diameter 3 2 mm 13 Ground wire thickness AWG 18 or equivalent Pin assignments See the table below Power supply connector pin assignments Pin Number Signal Name 1 power supply 2 GND 3 NC Shell Frame GND Frame ground screw connector Power supply Drawer kick out connector Interface connector Frame groun...

Страница 25: ...er kick out solenoid must be 24 Ω or more Figure 1 9 Drawer kick out drive signal output waveform Drawer kick out connector pin assignments Pin Number Signal name Direction 1 Frame GND 2 Drawer kick out drive signal 1 See Drawer kick out drive signal below Output 3 Drawer open close signal See Drawer open closed signal below Input 4 24 VDC 5 Drawer kick out drive signal 2 See Drawer kick out drive...

Страница 26: ...ed simultaneously The drawer drive duty must be as shown below Be sure to use the printer power supply connector pin 4 for the drawer power source CAUTION Do not connect a telephone line to the drawer kick out connector otherwise the printer and the telephone line may be damaged ON time ON time OFF time 0 2 ...

Страница 27: ...tch settings Data transmitted from the printer has 1 stop bit fixed Data transmission Serial compatible with RS 232 Synchronization Asynchronous Handshaking DTR DSR or XON XOFF control Signal levels MARK 3 to 15 V Logic 1 OFF SPACE 3 to 15 V Logic 0 ON Baud rates 4800 9600 bps Data word length 7 or 8 bits Parity settings None even odd Stop bits 1 or more Connector Female D SUB 25 pin connector or ...

Страница 28: ...his signal indicates whether the printer is busy SPACE indicates the printer is ready to receive data and MARK indicates the printer is busy A busy condition can be changed using DIP SW 1 8 as follows 20 DTR O 2 When XON XOFF control is selected This signal indicates whether the printer is correctly connected and ready to receive data SPACE indicates the printer is ready to receive data The signal...

Страница 29: ...er roll end detector or the paper roll near end detector with a printing halt feature enabled for low paper by ESC c 4 When an error has occurred XON XOFF transmission timing When XON XOFF control is selected the printer transmits XON or XOFF signals as follows 1 XON is not transmitted when the receive buffer is full 2 XOFF is not transmitted when the receive buffer is full Note The XON code is 11...

Страница 30: ... Data transmission 8 bit parallel Synchronization Externally supplied STROBE signals Handshaking ACK and BUSY signals Signal levels TTL compatible Connector 57RE 40360 830B DDK or equivalent IEEE 1284 Type B Reverse communication Printer to host Nibble or byte mode Reverse Mode Data Transmission from Printer to Host Status data transmission from the printer to the host occurs in nibble or byte mod...

Страница 31: ...r pin assignments and functions Pin number Source Compatibility Mode Nibble Mode Byte Mode 1 Host Strobe Host Clk Host Clk 2 Host Ptr Data0 LSB Data0 LSB Data0 LSB 3 Host Ptr Data1 Data1 Data1 4 Host Ptr Data2 Data2 Data2 5 Host Ptr Data3 Data3 Data3 6 Host Ptr Data4 Data4 Data4 7 Host Ptr Data5 Data5 Data5 8 Host Ptr Data6 Data6 Data6 9 Host Ptr Data7 MSB Data7 MSB Data7 MSB 10 Printer Ack PtrClk...

Страница 32: ... buffer is 100 bytes except ASB status Status signals exceeding this capacity are discarded To prevent possible loss of status the host must be ready for data reception Reverse Mode When ASB is used the host is preferably in the wait state for data reception Reverse Idle Mode When this state is not available the host enters Reverse Mode to continually monitor data presence When ASB is used prefere...

Страница 33: ...es not become full If the host cannot transmit data when the printer is busy or if an error occurs DLE EOT and DLE ENQ cannot be used when printer is busy because the receive buffer has become full With a host that can transmit data when the printer is busy if the printer s receive buffer becomes full while the host is sending bit image data a DLE EOT or DLE ENQ command transmitted during sending ...

Страница 34: ...in after the PAPER OUT LED starts blinking to return the printer to the on line state DIP Switches Serial interface RS 232 and RS 485 option The DIP switches are located at the bottom of the case Type Rocker switch Function The power switch turns the power on or off Feed FEED button Type Non locking push button Function Feeds paper based on the line feed amount set by ESC 2 and ESC 3 DIP switch 1 ...

Страница 35: ... switch 2 DIP Switch Function ON OFF 1 Print column selection 7 9 font 9 9 font 42CPL 35CPL 40CPL 33CPL 2 For internal use only Fixed to ON 3 5 Undefined 6 For internal use only Fixed to OFF 7 I F pin 6 reset signal Enabled Disabled 8 I F pin 25 reset signal Enabled Disabled DIP switch 1 DIP Switch Function ON OFF 1 Auto line feed Enabled Disabled 2 Receive buffer 40 bytes Data buffer 1000 bytes T...

Страница 36: ...2 Fixed to ON 2 4 fixed to ON and 2 6 Fixed to OFF Changes in DIP switch settings are recognized only when printer power is turned on or reset using the interface If the DIP switch settings are changed after printer power is turned on the change does not take effect until the printer is turned on again or reset ...

Страница 37: ...er roll near end is detected 1 Off Adequate paper remains on the paper roll normal condition Blinking Waiting for restart test print on paper roll or for return to on line status after automatic paper feeding 1 The near end detector is an option Error ERROR LED Red On Off line except during paper feeding using the FEED button and during the self test Off Normal operation Blinking Error state Refer...

Страница 38: ...ev A Confidential Self test The printer has a self test function that checks the following Control circuit functions Printer mechanisms Print quality Control ROM version DIP switch settings See Chapter 4 for instructions on running a self test ...

Страница 39: ...ions stop The BUSY signal is set to HIGH only when DIP switch 1 8 is off The ERROR LED blinks Fault signal is set to LOW Data Receive Error If one of the following errors occurs the printer prints or ignores the data depending on the setting of DIP switch 1 1 Parity error Framing error Overrun error Buffer Full Printing When subsequent data is received after the printer processes one line of data ...

Страница 40: ...the FEED button again The printer first prints Hexadecimal Dump on the paper roll and prints the data received thereafter in hexadecimal numbers and their corresponding characters until the printer is turned off Notes is printed if no printable ASCII character corresponds to the data received During the hexadecimal dump all commands except DLE EOT and DLE ENQ are disabled Insufficient print data t...

Страница 41: ... Manual Confidential Options Paper roll near end detector dealer option External power supply PS 170 Printer fastening tape DF 10 RS 485 serial interface IEEE 1284 compatible interface board Bidirectional parallel factory installed RS 232 compatible interface board factory installed ...

Страница 42: ... the EPSON PS 170 power supply to avoid damage to the printer and the power supply 100 V 120 V or 230 V specified at time of purchase Input voltage rating 90 to 264 V 100 VAC 10 to 230 VAC 15 108 VAC to 132 V 120 V type Frequency rating 50 to 60 Hz 3 Hz Input current rating Less than 100 VA AC switch None Energizing LED None Output voltage rating 24 VDC 5 Output voltage rating 2 0 A Output electri...

Страница 43: ...onfidential Chapter 2 Mechanism Configuration and Operating Principles Printer Mechanism Operating Principles The M U200 printer mechanism mounted in the TM U200 Series Type A AM is composed of seven mechanisms print paper feed ribbon feed detector auto cutter take up and ribbon switch Figure 2 1 M U200 ...

Страница 44: ...chanism unit The print mechanism unit consists of the parts shown in the figure below Figure 2 2 Print mechanism unit Paper feed frame assembly Belt Print head unit Belt tension pulley Carriage guide shaft Carriage shaft Carriage motor assembly Print head FPC Carriage sub assembly ...

Страница 45: ...ment Wire movement when a single dot is printed When the specified print head drive pulse is input to the drive coil the iron core is magnetized and the actuating plate is pulled in the direction of arrow A This action pushes the wire toward the platen When the wire strikes the ink ribbon and paper against the platen a single dot is printed The platen is the portion of the paper feed frame being s...

Страница 46: ...0 317 mm 0 012 in approximately 1 05 ms each time the carriage motor rotates one step 7 5 To print the character 2 print solenoids 2 and 9 are energized first using the same timing as the carriage motor phase switching signal Then print solenoid 8 is energized at TnH being delayed a half dot The remaining print solenoids are energized correspondingly and the character 2 is finally printed Figure 2...

Страница 47: ...feed mechanism unit consists of the parts shown in the figure below Paper feeding is performed by driving the paper feed motor stepping motor Figure 2 6 Paper feed mechanism unit Paper hold spring Paper hold roller Paper hold roller shaft Paper feed roller assembly Upper paper guide Paper feed frame assembly Paper feed reduction gear Paper feed motor ...

Страница 48: ... path after the detector detects no paper Figure 2 7 Paper loading Paper feeding Paper feeding is performed by conveying the paper feed motor s rotational power from the paper feed motor gear through the paper feed reduction gear paper feed gear and paper feed roller Since the paper feed roller and paper hold roller are pressed together paper advances to the top of the paper feed frame assembly be...

Страница 49: ...n and the paper roll is fed Figure 2 8 Paper feeding Ribbon Feed Mechanism Unit The ribbon feed mechanism unit consists of the parts shown in the figure below The printer feeds the ribbon automatically as the carriage motor rotates Figure 2 9 Ribbon feed mechanism unit Paper roll Paper feed roller Paper feed Paper feed Paper feed gear Paper hold roller reduction gear motor gear Ribbon intermediate...

Страница 50: ...bbon take up gear rotates in the direction of arrow E When the carriage motor rotates in the reverse direction and the carriage motor gear rotates in the direction of arrow F the ribbon drive plate moves in the direction of arrow G disengaging the ribbon drive gear from the ribbon transmission gear Therefore the ribbon take up assembly rotates in the direction of arrow E only when the carriage mot...

Страница 51: ...e frame It determines the home position identifies the carriage position and detects carriage sub assembly operation errors The sensor sub assembly consists of an LED and photo transistor When the carriage sub assembly moves the detection protrusion passes between the LED and photo transistor and blocks the optical axis of the photo transistor changing the output level of the photo transistor The ...

Страница 52: ...r remaining on the roll the near end detection lever is pressed against the side of the paper roll as depicted by the solid lines in the figure below This keeps the microswitch turned on When the amount of paper left on the roll decreases below a predetermined amount the tip of the near end detection lever no longer presses against the side of the roll and moves in the direction indicated by the a...

Страница 53: ...spring The mechanism unit is placed at the left and right of the carriage sub assembly whose position is controlled by the number of carriage motor steps using the home position as the reference position It switches between the black and red ribbon in the ribbon switch and ribbon release areas outside the printing area Switching from Black to Red When the carriage sub assembly print head unit move...

Страница 54: ...e ribbon frame assembly and the ribbon switch lever is returned to ribbon switch lever position B shown by the solid lines by the spring power of the ribbon release spring When the carriage sub assembly moves in the E direction the ribbon frame assembly and ribbon release lever return to their original positions because of the spring power of the ribbon frame spring Figure 2 15 Ribbon Switching Ri...

Страница 55: ...ley take up torque spring and take up gear through take up belt then rotate the take up shaft assembly Finally the roll paper is taken up to the take up shaft assembly The function of the take up torque spring which is located in the take up drive pulley is to take up the paper with a stable rotating power The balance of the rotating torque transmitted through the take up belt and the loading chan...

Страница 56: ...r UB S02 RS 485 The figure below is a component connection diagram for the electrical circuitry Figure 2 17 Component connection diagram Circuit board block diagram The main circuit board unit contains the following electrical circuits Power supply circuit Reset circuit CPU internal RAM 16K bits 2K x 8 bits Memory EPROM 512K bits 64K x 8 bits Operation panel control circuit Drawer kick out driver ...

Страница 57: ...echnical Manual Confidential Carriage motor driver circuit Auto cutter driver circuit The interface circuit board contains the following Reset circuit Host interface circuit The figure below illustrates the circuit block diagram for the printer Figure 2 18 Circuit board block diagram EP ...

Страница 58: ...2 16 Mechanism Configuration and Operating Principles Rev A Confidential Memory Map The following parts are mapped on the printer memory map CPU EPROM program Flash memory option Figure 2 19 Memory map ...

Страница 59: ... V 24 to 30 V DC power is input from CN1 through the filter circuit which reduces outside noise and keeps internally generated noise from flowing through the 24 V power line 24 VDC circuit The 24 V power from the filter circuit is input to printer power and the 5 V regulator circuit Printer power and drawer drive power are the converted 24 1 V that is regulated by series of regulators U2 to U4 Pow...

Страница 60: ...onitors the 5 V voltage When the voltage is 4 5 V or more reset is released for the CPU and other components and the printer becomes ready In addition the C terminal pin 5 of the reset IC U9 is connected to the reset signal DSR signal or pin 25 input signal from the host interface via DIP switches 2 7 and 2 8 If a reset signal is applied to this pin reset IC output goes LOW and the CPU and other c...

Страница 61: ...essing of the printer according to the printer control program written in EPROM U8 or Flash memory U101 CPU pin functions Pin No CPU Function Signal Name I O Level Description 1 P57 ELED DSW9 I O TTL ERROR LED LOW on DIP SW 2 1 is read when P100 P101 are LOW 2 NMI NMI I TTL Not used connected to 5 V directly 3 P100 AC1 DSEL O TTL Auto cutter drive 1 and DIP SW read selection LOW read read once aft...

Страница 62: ...ost interface CLK IN DTR 20 P74 TXD1 SD O TTL Host interface SD LOW on 21 RESET RESET I CPU reset input LOW on 22 CLK CLK O TTL Not used Open 23 VSS VSS I 0 V GND terminal 24 X1 X1 I Connected to ceramic vibration generator f 14 74 MHz 0 5 25 X2 X2 O Connected to ceramic f 14 74 MHz 0 5 26 EA EA I TTL External memory access Fixed to LOW 27 P75 A16 DSW11 O TTL External memory address A16 software D...

Страница 63: ...driver control 2 2 phase excitation All terminals on LOW hold DIP SW 1 5 read when P100 and P101 are LOW 57 P91 RES DSW6 I O TTL DIP SW 1 6 read when P100 and P101 are LOW 58 P92 PF C DSW7 I O TTL Paper feed motor driver control 2 2 phase excitation All terminals on LOW hold DIP SW 1 7 read when P100 and P101 are LOW 59 P93 A19 DSW8 I O TTL External memory address A19 software DIP SW 1 8 read when...

Страница 64: ...iver signal LOW on 68 P44 HEAD4 O TTL Print head 4 driver signal LOW on 69 P45 HEAD3 O TTL Print head 3 driver signal LOW on 70 P46 HEAD2 O TTL Print head 2 driver signal LOW on 71 P47 HEAD1 O TTL Print head 1 driver signal LOW on 72 P48 HEAD9 O TTL Print head 9 driver signal LOW on 73 P51 T04 24VCOM SW O TTL Head auto cutter drawer kick out power switch LOW drive 74 P52 CRCOM SW O TTL Carriage mo...

Страница 65: ...RROR and PAPER OUT and 1 switch FEED The POWER LED is driven at the same time as 5 V is supplied by the power supply circuit The ERROR and PAPER OUT LEDs are driven by U5 Switch detection is also executed by the U5 Figure 2 22 Operation panel circuit P82 C17 R55 R56 R41 R54 R15 SW2 1 1 1 2 2 2 PAPER D12 ERROR D11 POWER D13 U5 32 PF SW 1 ELED DSW9 80 PLED DSW0 P57 T03 P56 INT3 TI2 GND 4 1 2 5 3 QM1...

Страница 66: ...ion that detects the remaining amount of a paper roll The input signal to the CPU U5 becomes LOW when a paper near end is detected Figure 2 23 Various detector circuits Host interface circuit The printer has universal interfaces for connection to the host computer There are three kinds of interfaces EIA TIA RS 232 interface IEEE 1284 interface EIA TIA RS 485 interface See the interface circuit boa...

Страница 67: ... status signal DK_S which indicates whether or not the drawer is open is input to the CPU U5 allowing the host to check the status via the interface The 24 V drawer power supply is supplied via the regulator IC U2 which cuts off the supply in case of excessive current Figure 2 24 Drawer kick out drive circuit 5 V R28 Q34 C39 D2 C45 G N D VI VO U2 1 2 3 4 5 6 FG DKD 1P DKD SW 24V DKD 2P SG CN2 DKD ...

Страница 68: ...rriage motor drive circuit paper feed motor drive circuit operation panel control circuit and address bus The pins are used to read DIP switches temporarily immediately after the printer initialization or the power is turned on Figure 2 25 DIP switch read circuit 1 Resistance between E and B is used for pull up resistors in the transistor 5V 52 53 54 55 56 57 58 59 P20 P21 P22 P23 P90 P91 P92 P93 ...

Страница 69: ...t head An analog digital conversion of the partial pressure difference between the heat sensor and R18 is carried out in AN1 pin 8 of the CPU U5 and the temperature is calculated If the head is overheating or working improperly the ERROR LED flashes Figure 2 26 Print head driver circuit COM 3 5 7 5 7 1 3 Print head unit HEAD1 HEAD5 HEAD6 HEAD2 RM101 6 3 1 2 4 3 7 2 8 1 1 2 3 6 5 4 4 1 2 5 3 5 4 QM...

Страница 70: ...se excitation By turning P52 of the CPU to LOW 24 V labeled 24B signal in the figure below is applied to the COM terminal of its coil and it is made to run by changing P20 P21 P22 and P23 to HIGH and LOW Its speed is determined by the speed of changing P20 P21 P22 and P23 between HIGH and LOW At the end of paper feeding P52 of the CPU is once again set to HIGH Figure 2 28 Carriage motor driving ci...

Страница 71: ... point left uncut The driver IC U6 has a full bridge configuration and controls motor rotation clockwise and counterclockwise The position of the auto cutter blade is detected by the signal connected to P67 of the CPU Figure 2 29 Auto cutter drive circuit 1 2 3 CN9 4 AC M1 AC M2 GND AC RES 1 2 C21 R35 R106 R34 P100 P101 1 2 4 3 14 NEC 24A 24A 3 4 P67 AN7 C20 C106 U5 10 7 5 9 3 1 6 4 2 8 R107 C107 ...

Страница 72: ...2 30 Mechanism Configuration and Operating Principles Rev A Confidential ...

Страница 73: ... when there is no paper or no ribbon cassette in the printer the print quality of subsequent print jobs may suffer the printing color may become uneven or some dots may not be printed because of damage to the surface of the platen printing wires or ribbon Use a ground wire connected to the frame ground FG screw to ground the printer Be careful when wiring and connecting the interface power and dra...

Страница 74: ...apter 1 of this manual If another ribbon cassette is used any of the following may occur Print quality deterioration Printer life may be shortened Ink may leak The ribbon may catch on the print head Do not re ink a ribbon If a ribbon is re inked Print quality could deteriorate due to a malfunction of the print wires Ink may leak ...

Страница 75: ...lls that have the paper glued to the core because the printer cannot detect the paper correctly However if you will stop the printing using the optional paper roll near end detector you can use glued type paper rolls 1 Turn on the printer 2 Be sure the printer is not receiving data and open the printer cover 3 Open the printer cover 4 Pull the paper and cut the paper at the dotted line shown in th...

Страница 76: ...nfidential 7 Using scissors cut the leading edge of the paper roll perpendicular to the paper feed direction as shown below 8 Insert the paper roll Note Be sure to note the correct direction that the paper comes off the roll as shown below ...

Страница 77: ... 5 TM U200 Series Type A AM Technical Manual Confidential 9 Open the auto cutter by pulling the tab up and toward you 10 Hold both edges of the paper and insert it straight into the paper slot The printer feeds the paper automatically ...

Страница 78: ...o the spool as shown below Be sure that length of A is between 40mm and 60mm and the left side of the paper is aligned with the spool s flange 12 Insert the journal take up spool in the printer 13 Cut the receipt paper when using a 2 ply roll paper on the manual cutter A Journal take up spool Flange Journal paper ...

Страница 79: ... cutter by using the tab Be sure to check again that the left side of the paper is aligned with the spool s flange as shown below 15 Close the printer cover 16 When the PAPER OUT light blinks press the paper FEED button to set the printer on line Note The printer is off line until the PAPER OUT light is off ...

Страница 80: ... by pulling the tab up and toward you 3 Remove the used ribbon cassette 4 Turn the ribbon cassette s knob in the direction of the arrow to take up any slack in the ribbon CAUTION Never turn the ribbon cassette s feed knob in the opposite direction of the arrow marked on the cassette otherwise the ribbon cassette may be damaged 5 Insert the ribbon in the position shown in the illustration below and...

Страница 81: ...sure that the ribbon is installed between the print head and the platen without wrinkles or creases 6 Turn the ribbon cassette s knob 5 or 6 times in the direction of the arrow again to take up any slack in the ribbon 7 Close the auto cutter by using the tab 8 Close the printer cover Print head Ribbon ...

Страница 82: ...t head becomes very hot during printing Allow it to cool before you reach into the printer 1 Turn the printer off and open the printer cover 2 Pull the paper and cut it at the position shown by the dotted line in the illustration below 3 Remove the paper roll 4 Open the auto cutter by pulling the tab up and toward you Cut here ...

Страница 83: ...aper feeding Note Do not pull the jammed paper in the opposite direction of paper feeding 6 If paper still remains in the printer follow the steps below 7 Remove the ribbon cassette 8 Loosen the screw securing the print head cover Turn the screw only until you can tilt it as shown in the illustion Note Do not remove the screw from the print head cover ...

Страница 84: ...ver and secure it with the screw 12 Replace the ribbon cassette and close the auto cutter 13 If the auto cutter blade is not in its normal position if you can see the blade in the auto cutter slit the blade is not in the normal position insert a screwdriver into the right side of the auto cutter and turn the gear inside to move the blade to the normal position 14 Replace the paper roll and close t...

Страница 85: ...or improper operation Attach the cover as shown in the illustration below You can turn the power on or off with the switch cover attached by inserting a pointed object like a ball point pen through either of the two small holes on the switch cover CAUTION If an accident occurs when the power switch cover is attached pull the AC adapter cord out of the outlet immediately otherwise the printer may b...

Страница 86: ...ette Replace the ribbon cassette if damaged Paper particles paper scraps foreign matter Open the roll paper cover and make sure there are no large pieces of paper or other foreign matter present Clean out any paper or foreign matter Periodic inspection Checkpoints Standards Remedies Dust paper particles or dirt on and in the printer No dust paper particles or dirt should be allowed to build up on ...

Страница 87: ...wiped off use a neutral detergent CAUTION Never use benzene alcohol thinner trichloroethylene or any of the ketone family of solvents because they may deform or damage plastic and rubber components 2 Thoroughly clean all parts of the printer with a vacuum cleaner Note Check the amount of lubrication in each cleaned area and lubricate as needed See Lubricants below ...

Страница 88: ...tion of lubricants prescribed for use with the printer is based on the results of such research The prescribed EPSON lubricants are available in 40 cc 40 gr metal cans or plastic containers the smallest unit of supply Lubrication Points The following table describes the lubrication points type and class The numbers in the following table correspond to the numbers in the lubrication and adhesive po...

Страница 89: ...d Maintenance 3 17 TM U200 Series Type A AM Technical Manual Confidential Lubricants and adhesives list Lubricants and adhesives Type name Quantity Grease G 31 40 gr 1 4 oz Grease G 36 40 gr 1 4 oz Oil O 3 40 gr 1 4 oz ...

Страница 90: ...ools for this printer are as follows Brush 1 Cleaning brush Phillips screwdriver No 1 Phillips screwdriver No 2 Phillips screwdriver No 2 with long handle Flatblade screwdriver Pliers Retaining pliers 2 3 Thickness gauge 0 50 mm 0 55 mm 0 60 mm Tweezers Slanted blade cutter ...

Страница 91: ... repair a defect whose symptoms are known Self test Initiating the Self test 1 Insert a paper roll and a ribbon cassette in the printer and close the printer cover 2 Turn off the printer 3 Turn on the printer while keeping the FEED button depressed The self test starts and status information is printed Self test Standby 1 When status information printing is complete the following is printed Self t...

Страница 92: ...ld be performed only by technicians Execute the self test Start Power on Is POWER Is PAPER Is paper roll in Is self test normal END Replace or insert paper roll 1 3 No Yes Yes No Yes No Yes No No Yes LED lit OUT LED lit near end condition or not inserted 2 4 5 loading executed Semi automatic No Yes Is ERROR LED flashing Take steps described in Error types and countermeasures END Does auto cutter p...

Страница 93: ...l power supply Replace Fuse F1 Replace main PCB OK OK OK Is power supply cable connected properly Does external power supply have proper output voltage rating approximately 40 V in no load condition Has fuse F1 on main PCB blown End End End End No No No No No No Yes Yes Yes Yes Yes 1 POWER LED does not light Yes Make sure main PCB does not have any damage such as burns ...

Страница 94: ...nd sensor s continuity normal Replace the near end sensor No OK Replace printer mechanism assembly OK Replace main PCB No No END END END Is the paper Yes 2 PAPER LED is lit 2 Yes Yes The near end sensor is optional Turn the power on again OK Yes No END ...

Страница 95: ...ential 3 OK OK OK END END END END Is paper jammed in the paper inlet path Remove the paper Is connector CN6 attached firmly Attach connector firmly Replace printer mechanism assembly Replace main PCB No No No No No Yes Yes Yes Yes Yes 3 Semi automatic loading is not executed ...

Страница 96: ...ot normal END OK No Yes perform at all Replace printer mechanism assembly Is the output voltage of the regulator circuit on the main board within the specified range END OK END No Replace the mechanism No Replace the main PCB Yes Print out is not good or paper feed failure OK END No Replace the main PCB Yes ...

Страница 97: ... A Troubleshooting 4 7 TM U200 Series Type A AM Technical Manual Confidential Confirm the voltage at each terminal in the table below Checkpoint Specified value Pin 3 of U2 U3 U4 Approx 24 V R54 Approx 5 V ...

Страница 98: ...r unit No Yes Yes Yes Is there Remove jammed paper End End End OK 5 The auto cutter does not perform correctly Yes a paper jam in the auto cutter circuit board Turn on the power again Disassembly of the auto cutter unit is prohibited If you disassemble it performance cannot be guaranteed ...

Страница 99: ...inted Are serial interface parameters set to identical values at host and printer Make settings identical Replace with a proper cable Is Connect the interface End End End End OK OK OK 6 Data from host is not printed normally Yes Does interface cable match specifications Yes connected to the main PCB firmly interface PCB PCB firmly mechanism assembly Yes Dotted line indicates the process of checkin...

Страница 100: ...oting table for printer operation failure Problem Probable cause Level Checkpoint Action The POWER LED does n n n no o o ot t t t l ll li ii ig g g gh h h ht t t t when the power is on The AC adapter may be bad B Check output voltage of the AC adapter approximately 40 VDC with no load Replace the AC adapter The fuse may be blown B Check if fuse F1 on the main circuit board assembly is blown Replac...

Страница 101: ...e status of the paper roll The near end detector assembly may be bad The near end detector is an option B Check the signal of the near end detector assembly Replace the near end detector assembly The printer is not initialized home position detection error The connector is not inserted correctly A Check if the pins of CR motor cable are inserted in connector CN5 of the main circuit board unit Rein...

Страница 102: ...loscope check if the detection signal is output when roll paper is inserted Replace the paper detection switch assembly Table 4 2 Troubleshooting table for bad printing Problem Probable cause Level Checkpoint Action The printer does not print The carriage motor operates but nothing is printed or the print color is light The ribbon in the ribbon cassette may be bad A Check if the color of the ribbo...

Страница 103: ...r supply may be incorrect A Check if the specified paper roll is used Use the correct paper roll See Paper Specifications in Chapter 1 The paper path may be incorrect A Check if the paper supply path is blocked Remove paper particles and foreign substances The connector is not inserted correctly A Make sure that the PF motor cable pins are inserted in connector CN6 of the main circuit board Reinse...

Страница 104: ...rn or damaged parts The printer prints but the ribbon is not fed The ribbon cassette may be loose A Check if the ribbon cassette is installed correctly Install the ribbon cassette correctly See R R R Re e e ep p p pl ll la a a ac c c ci ii in n n ng g g g t t t th h h he e e e R R R Ri ii ib b b bb b b bo o o on n n n C C C Ca a a ass ss ss sse e e ett tt tt tte e e e i ii in n n n C C C Ch h h ha...

Страница 105: ...y that the ribbon frame assembly is not deformed If deformed replace the ribbon frame assembly The ribbon is defective A Verify that the color of the ribbon is not blurred or the ribbon is not rumpled or worm Replace the ribbon cassette if the ribbon is worn or the print color is light Color does not change Black to red or red to black The ribbon release spring is unhooked or damaged B Verify that...

Страница 106: ... invalid address 7 Thermistor error There is an abnormality in detecting the print head temperature or the print head rank can not be read correctly Action 1 Action 2 Action 3 Action 4 Action 5 Action 6 Action 7 1 This error can occur for a short time during normal printing when the print head reaches a high temperature No repair is necessary in this case 160 ms 4 4 4 3 Home position detection err...

Страница 107: ...00 Series Type A AM Technical Manual Confidential Action 1 Wait for the print head temperature to drop printer recovered from the error Replace main PCB Yes No END END END No OK Action 1 Yes Replace printer mechanism assembly Has the ...

Страница 108: ... No Yes No Is connector CN5 Remove paper Insert the connector OK END END OK OK END Replace main PCB Action 2 Yes END No Yes No Yes Yes inserted firmly firmly Replace printer mechanism assembly Are there any chips of paper in the home position sensor ...

Страница 109: ...onfidential END END END Yes Yes No No No Action 3 Turn the printer power off Does external power supply have proper output voltage rating approx 40 V in no load condition Replace external power supply Replace main PCB Replace printer mechanism assembly OK OK Action 3 Yes ...

Страница 110: ...4 20 Troubleshooting Rev A Confidential END END Yes No Action 4 Replace main PCB Replace printer OK Action 4 mechanism assembly ...

Страница 111: ...e Cross recessed Binding head B tite self tapping screw CBT B Cross recessed Binding head self tapping screw not fluted class 2 CP O Cross recessed Pan head screw with outside toothed lock washer CPS tite Cross recessed Path head S tite self tapping screw CPS tite O Cross recessed Pan head S tite screw with outside toothed lock washer CPS tite S P4 Cross recessed Pan head S tite self tapping screw...

Страница 112: ...ly 3 Remove the main cover assembly from the printer 4 Remove the lower plate from the printer 5 Use tweezers to remove the blown fuse 6 Replace the fuse with a 125 V 2 0 AT Littelfuse 154002T Removing the print head unit 1 Remove 4 screws and remove the upper case 2 Remove the take up flange ass y CPS tite M3x6 0 59 to 0 78 N m 6 to 8 kgf cm Fuse ...

Страница 113: ... 5 3 TM U200 Series Type A AM Technical Manual Confidential 3 Remove the right side screw securing the auto cutter fixing plate 4 Loosen the thumb screw and remove the head cover Upper case Auto cutter fixing plate screw Thumb screw Head cover ...

Страница 114: ...emove the ribbon frame assembly 6 Remove the screw securing the print head unit 7 Disconnect the print head FPC and remove the print head unit Refer to the corresponding assembly section s in this chapter for the assembly procedure Ribbon frame fixing plate Ribbon frame assembly Ribbon frame spring Print head unit Print head FPC ...

Страница 115: ...nd remove the auto cutter cover Remove the cable connector from the auto cutter cover See the second part of the illustration below Then disconnect the auto cutter cable from the cable connector for the auto cutter The illustration does not have the main cover assembly However it s not necessary to remove it 3 Remove 2 REs Auto cutter cable Auto cutter cover screw Connector ...

Страница 116: ...ng shaft and auto cutter plate spring Then remove the auto cutter Refer to the corresponding assembly section s in this chapter for assembly procedure Removing the main circuit board assembly 1 Remove the lower plate Auto cutter Auto cutter plate spring Auto cutter plate spring shaft Auto cutter plate shaft lower plate ...

Страница 117: ...dential 2 Remove the interface circuit board assembly 3 Disconnect 5 cables 4 Remove 5 screws 5 Follow the steps below then remove the main circuit board assembly Slide the board toward the arrow Move the 2 cables toward the arrow Move the board toward the arrow Interface circuit board assembly ...

Страница 118: ...nfidential Once the board is released from the plate marked with the main circuit board can be removed from the printer Refer to the corresponding assembly sections in this chapter for assembly procedures connectors connector connectors screws screws ...

Страница 119: ...mbly 1 Apply G 31 to the middle of the paper hold roller shaft 2 Pass the paper hold roller shaft through the paper hold plate spring and paper hold roller 3 Attach the take up drive gear to the paper feed roller assembly Paper hold roller shaft Apply G 31 Paper hold roller Paper hold plate spring Take up Drive gear Paper feed roller assembly ...

Страница 120: ... the roller assembly into place 5 Attach the paper feed reduction gear to its shaft as shown in the second illustration below Make sure that the reduction gear is closer to the frame than the roller assembly gear 6 Next insert the J feed roller shaft holder right into the frame as shown in the illustration Paper feed frame assembly Paper feed roller assembly J feed roller shaft holder right Paper ...

Страница 121: ...e and lock it with the RE Note The right J feed roller shaft holder which is fixed to the paper feed roller assembly is inserted into the frame first then the left J feed roller shaft holder is attached 8 Attach the take up transmission gear to the paper feed frame and fix it with R E 3 RE 2 3 J feed roller Paper feed reduction gear shaft holder left R E 3 Paper feed frame Take up transmission gea...

Страница 122: ...f the paper feed roller assembly attach the paper guide to the paper feed frame assembly Press the paper guide until it clicks Check that the 2 dowels on the paper feed frame are in the rectangular holes on the upper paper guide Paper feed Paper feed motor frame assembly CCS tite M3x6 0 69 to 0 88 N m 7 to 9 kgf cm Dowels Rectangular holes Paper feed roller assembly s shaft Upper paper guide U cut...

Страница 123: ...eed frame assembly and paper hold roller shaft Hook the spring on the paper feed motor side first If you hook the other side first the paper hold shaft is hard to hook Check that the corner edge of the paper hold plate spring is placed on the paper feed frame assembly as shown in the illustration below Paper hold roller shaft assembled Paper feed frame assembly Paper hold roller shaft Paper hold s...

Страница 124: ...5 14 Disassembly Assembly and Adjustment Rev A Confidential Check that the paper hold plate spring is not deformed Paper hold plate spring Corner edge Paper feed frame assembly ...

Страница 125: ...the protrusion part does not catch and moves freely 2 Hook the ribbon release spring to the notch of the ribbon switch lever and hook B of the base frame assembly 3 Fit the holes of the ribbon release lever to 2 shafts of the base frame assembly then secure it with the RE Check that the ribbon switch lever and ribbon release lever are attached in the proper directions 4 Attach the ribbon intermedi...

Страница 126: ...nt Rev A Confidential 6 Attach the ribbon drive plate assembly to the base frame assembly and fix with the REs RE 2 3 Ribbon Ribbon Base frame assembly intermediate gear transmission gear Ribbon drive plate assembly Ribbon take up assembly ...

Страница 127: ...A AM Technical Manual Confidential Main Assembly 2 Tension plate assembly 1 Insert the tab of the tension plate assembly into the base frame assembly then slide the tension plate in the direction of arrow 2 to lock it 1 Tab Tension plate assembly Base frame assembly 2 ...

Страница 128: ...the paper feed frame assembly until the tabs on the paper feed frame assembly lock into the rectangular holes in the paper feed frame 3 Attach the screws Check that the paper hold plate spring is not caught on the base frame assembly CBT B M3x10 Portion A Paper hold plate spring Rectangular hole Portion A Tab CBT B M3x10 Portion B Base frame assembly Paper feed frame assembly 0 49 to 0 69 N m 5 to...

Страница 129: ... of the arrow to fit the other two corners of the carriage motor assembly under the tabs of the base frame assembly 2 Hook the paper feed motor cable to hook A on the base frame assembly Make sure to route the cable as shown in the illustration 3 Route the carriage motor and paper feed motor cables outside the base frame as shown in the illustration A corners Carriage motor assembly Tab positions ...

Страница 130: ... Adjustment Rev A Confidential Main Assembly 5 Carriage sub assembly 1 Fit the belt over the carriage motor sub assembly gear and the tension plate gear Carriage Belt Tension plate gear Carriage motor sub assembly gear sub assembly ...

Страница 131: ...he paper feed frame assembly and carriage sub assembly At this time hook the paper hold spring feet to the carriage shaft s dowels as shown in the illustration Check that the paper hold spring hooks are hooked in the correct direction The direction is different for the right and left springs Carriage shaft Paper feed frame assembly Carriage subassembly Paper hold spring hook ...

Страница 132: ...olders to the carriage shaft as shown in the illustration 2 Push the adjustment roller shaft holders and turn them 90 degrees in the direction of arrow C The A portion points straight down Check that the adjustment roller shaft holders click into place Adjustment roller shaft holder Carriage shaft Carriage shaft Portion A Adjustment roller shaft holder C ...

Страница 133: ... A AM Technical Manual Confidential Main Assembly 8 Carriage guide shaft assembly 1 Insert the carriage guide shaft through the base frame assembly and carriage sub assembly and lock it with the RE Carriage guide shaft Base frame assembly RE 2 3 Carriage sub assembly ...

Страница 134: ...sh the carriage motor assembly in the direction of the arrow to make sure the motor is properly placed Then attach the belt tension fixing plate and the screw Be careful not to move the tension plate assembly when securing the screw Carriage motor assembly CPS tite S P4 M3x8 Paper feed frame assembly s hook Belt tension spring Tension plate assembly s hook 7 to 9 kgf cm 0 69 to 0 88 N m Belt tensi...

Страница 135: ...ach the paper detector switch to the base frame assembly Make sure the sensor board is not damaged 4 Hook the sensor assembly lead wires to the base frame assembly as shown in the illustration 5 Position the paper detection switch sub assembly lead wires as shown in the illustrations and make sure that the lead wires are as close as possible to the base frame surface Sensor assembly Base frame ass...

Страница 136: ...he heat sink in the direction of the arrow until it stops Check that surface B of the carriage motor heat sink and surface A of the paper feed frame are the same height If not adjust the heat sink to make the surfaces the same height Check that the motor cables are not caught on the heat sink Carriage motor Carriage motor Motor cables heat sink assembly Surface B Surface A Paper feed frame ...

Страница 137: ...ting the projections with the arm 2 Fold the straight side of print head FPC See the figure 3 Pass the straight side of print head FPC through the slit in the base frame assembly 4 Pull out the print head FPC from the back of base frame assembly 5 Adjust the print head FPC from the back of base frame assembly 6 Pass the end of print head FPC through the guide of base frame assembly Arm section Pro...

Страница 138: ...5 28 Disassembly Assembly and Adjustment Rev A Confidential The projections of print head FPC must be held with the arm of base frame assembly Hook Print head FPC processing ...

Страница 139: ...ooks on the carriage sub assembly and then secure the print head unit to the carriage sub assembly with the screw Make sure there is space between the slanting edge of the print head FPC and slanting side of the carriage sub assembly and between the FPC edge and portion A If there is no space the print head FPC may not be inserted into the print head unit firmly Remove the print head unit and inse...

Страница 140: ...t cover fixing plate into the hole in the paper feed frame and secure it with the screw 2 Attach the dowel of the right cover fixing plate into the hole in the paper feed frame and secure it with the screw Right cover fixing plate Left cover fixing plate CCS tite M3x6 0 69 to 0 88 N m 7 to 9 kgf cm CCS tite M3x6 0 69 to 0 88 N m 7 to 9 kgf cm Paper feed frame ...

Страница 141: ... and Adjustment 5 31 TM U200 Series Type A AM Technical Manual Confidential Main Assembly 15 Ribbon frame earth plate 1 Put the ribbon frame earth plate in the carriage guide shaft Ribbon frame earth plate Carriage guide shaft T ...

Страница 142: ...brication diameter 1 mm 3 Apply G 31 to the each ribbon frame assembly mounting shaft left and right in the base frame assembly A line of lubrication length 2 mm x wide 1 mm 4 Attach the shaft A and B of the base frame assembly to the ribbon frame assembly 5 Attach the ribbon frame fixing plate into the groove in the right ribbon frame assembly mounting shaft A 6 Hook the ribbon frame spring to C ...

Страница 143: ...d head cover 1 Place the thumb screw into the hole in the head cover and secure the RE 2 5 in the center of the thumb screw 2 Insert the tab of the head cover into the left cover fixing plate first and then rotate and secure with the thumb screw while aligning the dowel Thumb screw Head cover RE 2 5 Tab Dowel Left cover fixing plate ...

Страница 144: ... and Adjustment Rev A Confidential Main Assembly 1 Case Unit Lower cutter plate assembly 1 Attach the lower cutter plate to the upper plate and secure it with the screws CPS tite M3x6 0 59 to 0 78 N m 6 to 8 kgf cm Upper plate ...

Страница 145: ... Unit Upper plate assembly 1 Turn over the printer mechanism assembly 2 Align the rectangular hole with the hook hole A with dowel B and then secure the plate with the screw Make sure hole C is aligned with dowel D Hole C Upper plate Hole A Rectangular hole Dowel D Dowel B CBS tite M3x5 0 59 to 0 78 N m 6 to 8 kgf cm Hook ...

Страница 146: ...stment Rev A Confidential Note When you remove the upper plate lift it up in the direction of arrow 1 slightly then move it in the direction of arrow 2 to release the hook to remove the plate completely Upper plate Arrow 1 Arrow 2 Hook ...

Страница 147: ... the upper plate by attaching the power switch side first and then the drawer kick out and power connectors side Secure the circuit board with the screws Make sure to use the correct screw for each location CP 0 M3x6 0 59 to 0 78 N m 6 to 8 kgf cm CPS tite M3x6 Main circuit board assembly CP 0 M3x6 0 59 to 0 78 N m 6 to 8 kgf cm CPS tite M3x6 0 59 to 0 78 N m 6 to 8 kgf cm Power switch Upper plate...

Страница 148: ...cable into CN5 At this time make sure to insert the cables so that black or red colored side connects to the pin 1 side of each connector Make sure not to confuse paper feed motor cable and carriage motor cable Also check that the black or red side of each cable is on the pin 1 side of the connector Red cable Black cable Main circuit board assembly Carriage motor cable Paper feed motor cable Print...

Страница 149: ... place portion B of the lower case under portion A of the upper plate 2 Bring out the paper feed motor and carriage motor cables through portion C and the sensor assembly lead wires through portion D 3 Secure the lower case with the screws Adjustment Perform the platen gap adjustment by referring to the Adjustment section at the end of this chapter Portion B Lower case Portion C Upper plate Portio...

Страница 150: ...and auto cutter fixing plate 1 Attach the manual cutter to the paper feed frame assembly and secure it with the screw Check that the manual cutter is aligned with the paper feed frame as shown in the illustration below Paper feed frame Manual cutter CBS tite M3x5 0 69 to 0 8 N m 7 to 9 kgf cm Paper feed frame Manual cutter ...

Страница 151: ... Set the paper take up drive pulley to the hook of the paper take up torque spring 6 Set the take up belt to the paper take up drive pulley and set the lower case 7 Insert the take up gear shaft to the lower case 8 Hook the take up belt to the take up transmission gear 9 Lubricate G 36 to the take up belt 10 Lubricate G 31 to the lower case Apply G 31 Paper take up gear Paper take up torque spring...

Страница 152: ...l 11 While aligning the dowels install the auto cutter fixing plate and secure it with the screw 12 Secure the earth plate with the screw Auto cutter fixing plate Earth plate CBS tite M3x5 0 59 to 0 78 N m 6 to 8 kgf cm CP O M3x6 0 59 to 0 78 N m 6 to 8 kgf cm ...

Страница 153: ...nto the right to match the right dowel 2 Attach the auto cutter lock lever with the R E 2 3 3 Install the auto cutter lock lever to the auto cutter lock lever shaft 4 Fit the R E 2 3 to the auto cutter lock lever shaft 5 Install the auto cutter lock lever spring to the auto cutter lock lever shaft 6 Fit the R E 2 3 to the auto cutter lock lever shaft 7 Hang the auto cutter lock lever spring to the...

Страница 154: ...o cutter plate assembly with the holes of the auto cutter fixing plate 10 Attach the auto cutter plate assembly to the auto cutter fixing plate Make sure the holes for the shafts of the auto cutter plate assembly match the holes in the auto cutter fixing plate Insert the hook end of the spring in the hole in the auto cutter plate assembly first and the Auto cutter assembly Auto cutter plate assemb...

Страница 155: ...h the RE 3 Attach the other side of the spring into the hook of the auto cutter fixing plate 11 Connect the auto cutter cable to the cable connector for the auto cutter Auto cutter plate spring Hole for spring Auto cutter plate Auto cutter plate shaft RE 3 Auto cutter plate assembly auto cutter fixing plate Hook of spring shaft Auto cutter cable Cable connector of the auto cutter CBS tite M3x5 0 5...

Страница 156: ...res of the auto cutter into the other slit in the auto cutter cover 13 While aligning the dowel install the auto cutter cover and secure it with the screw Arrange the cable wires so that they come through the cut portion shown in the illustration Auto cutter cover The other slit Slit Cut portion Auto cutter cover 0 59 to 0 78 N m 6 to 8 kgf cm CBS tite M3x5 ...

Страница 157: ...he auto cutter assembly should be arranged as shown in the second part of the illustration below 2 Apply G 31 to both of the paper roll receive rollers 3 Attach the paper roll receive rollers to the lower case 4 While holding the auto cutter as shown in the illustration attach the upper case to the lower case and secure it with the screws 5 Apply G 31 to both ends of the guide roller 6 Attach the ...

Страница 158: ...dirt from the switch panel mounting surface and paste the switch panel on the upper case CPT B M3x12 0 59 to 0 78 N m 6 to 8 kgf cm Upper case Apply G 31 Paper roll receiver rollers Lower case Guide roller Apply G 31 Apply G 31 Switch panel CPT B M3x12 0 59 to 0 78 N m 6 to 8 kgf cm ...

Страница 159: ...rcuit board assembly and secure with the hexagon lock screws serial interface or the CPS tite screws parallel interface 3 Connect the interface circuit board assembly to the main circuit board assembly and secure with the screws Serial Interface Hexagon lock screws 0 39 to 0 59 N m 4 to 6 kgf cm CP 0 M3x6 0 59 to 0 78 N m 6 to 8 kgf cm CP 0 M3x6 0 59 to 0 78 N m 6 to 8 kgf cm Connector plate Inter...

Страница 160: ...mbly and Adjustment Rev A Confidential Parallel Interface Check that the interface board assembly is firmly connected to the main circuit board assembly CPS tite M3 6 board assembly Parallel Interface circuit 4 to 6 kgf cm ...

Страница 161: ...te to the lower case and secure it with the screws 2 Attach the ROM cover to the lower plate and secure it with the screws 3 Attach the rubber feet to the lower case For the rubber foot attached to the front of the printer turn the foot lightly until it stops CPS tite M3x6 0 59 to 0 78 N m 6 to 8 kgf cm Rubber foot Lower case ROM cover ROM spacer Lower plate Rubber foot at the front of the printer...

Страница 162: ...lange with take up flapper spring 2 Insert the above take up flange assembly position of take up flange and set the one side of Take up flap to the Take up flange 3 Draw out of the Take up flap below and set the Take up flange assembly In doing so take care not to stretch Take up flapper spring 4 Set the Take up flange to the lower case Take up flap Take up flapper spring Take up flange ...

Страница 163: ...sembly and Adjustment 5 53 TM U200 Series Type A AM Technical Manual Confidential Main Assembly 13 Case Unit Main cover assembly 1 Insert the main cover assembly to the round projection of the main case Main cover assembly ...

Страница 164: ...r end detector and attach it to the near end detector frame with the screw 3 Decide whether you want to install the spacers The amount A of paper remaining including the paper roll core when the near end detector senses a paper near end is changed by the spacers The amount A with the spacers 3 to 4 mm 0 12 to 0 16 Near end detector lever CBB tite M2x8 0 1 to 0 2 N m 1 to 2 kgf cm Near end detector...

Страница 165: ...rews Make sure the spacers are positioned in the correct direction as shown in the illustration 5 Insert the near end detector s lead wires into the connector Make sure to arrange the lead wires as shown in the illustration 6 The inner diameter of the paper core should be 10 5 to 12 5 mm 0 41 to 0 49 After assembling the near end detector assembly make sure the near end detection lever moves smoot...

Страница 166: ...o 0 79 from portion A of the paper hold plate spring and insert the scaling gauge between the print head unit and platen 3 Measure the space and if the value is out of the standard range 0 55 mm 0 05 mm 0 022 0 002 turn the adjustment roller shaft holders to get a value within the specified range 4 Perform the adjustment at two positions Ribbon frame knob Ribbon frame assembly Scaling gauge Print ...

Страница 167: ... LOW Data transmission Bit serial Synchronization Asynchronous Handshaking Depends on the DIP switch settings DTR DSR or XON XOFF control Signal levels 2 0 V to 5 0 V Logic 1 0 0 V to 0 8 V Logic 0 Baud rates Depends on the settings of the TM series printer 2400 to 19200 Data word lengths Depends on the settings of the TM series printer 7 or 8 bits Parity settings Depends on the settings of the TM...

Страница 168: ...l of DR1 is higher than DR2 the TM series printer is ready for communication the host is ready to receive data If the electric potential of DR1 is lower than DR2 the TM series printer is not ready for communication the host is not ready to receive data DR1 DR2 Function H L Communication is available L H Communication is not available RS 485 interface connector pin assignments and functions Pin num...

Страница 169: ...in the following cases During the period after the power is turned on until the printer is ready to receive data During the self test 10 11 CS1 CS2 I This signal indicates whether the host computer is BUSY or READY CS1 CS2 indicates the printer is READY and CS1 CS2 indicates the printer is BUSY 1 When DTR DSR is selected The signal is checked and data is transmitted only when the host is ready to ...

Страница 170: ...smission data 8 bits no parity RS 485 Communication data format H indicates Printer transmission data SD1 SD2 Printer reception data RD1 RD2 XON XOFF transmission timing Printer status Off line status DIP SW status ON OFF XON transmission When the printer goes on line after turning on the power or reset using the interface Transmission Transmission When the receive buffer is released from the buff...

Страница 171: ...ata is H 1 L 0 Note This format is used when the UART for RS 232 is connected to the RS 485 driver Printer reception data level RD1 RD2 Read data H L Receiving data line is at the LOW level L H Receiving data line is at the HIGH level Printer transmission data level SD1 SD2 Send data H L Sending data line is at the LOW level L H Sending data line is at the HIGH level ...

Страница 172: ...6 Appendix Rev A Confidential Main Circuit Board Parts Layout ...

Страница 173: ...Rev A Appendix 7 TM U200 Series Type A AM Technical Manual Confidential RS 232 Serial Interface Circuit Board Parts Layout ...

Страница 174: ...8 Appendix Rev A Confidential IEEE 1284 Parallel Interface Circuit Board Parts Layout UB P01 1284 Parallel Universal Board UB P02 1284 Parallel Universal Board ...

Страница 175: ...Rev A Appendix 9 TM U200 Series Type A AM Technical Manual Confidential RS 485 Serial Interface Circuit Board Parts Layout ...

Страница 176: ...10 Appendix Rev A Confidential ...

Страница 177: ...AD3 AD4 AD5 AD6 AD7 A1 RD A12 A11 A10 A9 A8 A7 A6 A5 A4 A3 A2 WR 5V DKD R25 R21 R24 CLK_REQ 5V 24AD RES DSW6 A19 DSW8 C41 TP25 TP123 TP124 R14 R104 R43 R1 R52 TP27 1 2 3 Q114 R112 R113 1 2 3 Q115 R118 R117 4 2 3 1 5 6 DM133 PCE2 C104 A18 BTDET AD7 AD6 AD5 AD4 AD3 AD2 AD1 AD0 AD7 AD6 AD5 AD4 AD3 AD2 AD1 AD0 AD 0 7 A10 A8 A9 A12 AD0 AD1 AD2 AD3 AD4 AD5 AD6 AD7 A0 A1 A2 A3 A4 A5 A6 A7 A10 A11 A9 A8 A...

Страница 178: ...4 C2 5 R1I 13 R2I 8 T1O 14 T2O 7 GND 15 V 2 C1 1 C1 3 R1O 12 R2O 9 T1I 11 T2I 10 V 6 U1 C2 C7 DSR SD RD DTR FG 1 SD SD1 2 RD SD2 3 RS RD1 4 RD2 5 DR INIT1 6 SG 7 DR1 8 DR2 9 CS1 10 CS2 11 12 13 14 15 16 17 18 19 ER 20 21 22 23 24 INIT2 25 SHELL 0 CN1 SG RTS TO HOST C3 DTR SD DSR RD 1 2 V SG RTS DTR SD RD 5V 5 V 5 V SG RTS SG DSR_RESET 25_RESET C5 R1 R21 Q1 RD SD DTR R T S 5V SG SG SG TP1 10K 10K 1...

Страница 179: ...21 VCC 40 P27 A15 39 P26 A14 38 X2 22 P25 A13 37 P24 A12 36 P23 A11 35 P22 A10 34 P21 A9 33 P20 A8 32 P17 A7 31 P16 A6 30 P15 A5 29 P14 A4 28 P13 A3 27 P12 A2 26 P11 A1 25 P10 A0 24 RESET 23 U2 CEN5 CEN6 CEN7 1 2 3 4 5 6 R40 R42 R43 R48 C23 C26 R49 R51 5V 5V 5V C19 C18 Q5 R11 R50 C20 C21 C22 C24 C25 DD5V STB HOSTCLK 1 DATA1 2 DATA2 3 DATA3 4 DATA4 5 DATA5 6 DATA6 7 DATA7 8 DATA8 9 ACK PTRCLK 10 BU...

Страница 180: ...Rev A Appendix A 14 TM U200 Series Type A AM Technical Manual Confidential UB P02 IEEE 1284 Parallel Interface Circuit Board Diagram ...

Страница 181: ...SHELL 0 CN1 FG TO HOST R6 R3 R11 R4 1 2 3 4 8 7 6 5 U1 R10 R5 CS1 CS1 CS2 CS2 DR1 DR2 RD1 RD2 SD1 SD2 5V 5V CTS CTS SD RD 5 V SG SG DR DR C5 R17 R16 R18 DK 1 1 DK S 2 PG 3 PG 4 24V 5 24V 6 PG 7 HOST_RTS 8 CTS 9 DET 10 RTS 11 CLKIN DTR 12 CLKREQ 13 SG 14 5V 15 DK 2 16 DK G 17 DK P 18 PG 19 24V 20 24V 21 PG 22 SG 23 SD 24 RD 25 RES 26 25_RESET 27 DSR_RESET 28 RESET 29 SG 30 CN2 5 V 5V SG SG SG CTS D...

Страница 182: ...e M3 x 6 ROM spacer ROM cover C P S tite M3 x 6 assembly C P O M3 x 6 Hexagon lock screws Connector I F circuit board assembly plate RE 3 Auto cutter RE 2 3 lock lever spring C B B tite M2 x 8 Switch panel Auto cutter C B S tite Auto cutter Auto cutter Auto cutter plate shaft plate spring fixing plate M3 x 5 plate spring shaft Paper take up gear Take up gear shaft Near end Near end Spacer detector...

Страница 183: ...y Carriage motor heat sink plate C C S tite Sensor assembly Ribbon take up assembly M3 x 6 Upper paper guide Paper hold Base frame assembly R E 2 3 spring Upper case Paper feed reduction gear Adjustment roller Paper feed frame assembly Paper feed roller assembly shaft holder UC B T B M3 x 10 Paper feed motor C C S tite M3 x 6 Manual cutter C B S tite M3 x 6 C B T B M3 x 10 C C T tite M3 x 6 Paper ...

Страница 184: ...Rev A Appendix A 18 TM U200 Series Type A AM Technical Manual Confidential Case Unit Lubrication Points Diagram G 36 G 31 G 31 G 31 G 31 G 31 G 31 ...

Страница 185: ...Rev A Appendix A 19 TM U200 Series Type A AM Technical Manual Confidential Printer Mechanism Unit Lubrication Points Diagram O 10 G 31 G 31 G 31 G 31 G 31 G 31 ...

Страница 186: ...Rev A Appendix A 20 TM U200 Series Type A AM Technical Manual Confidential ...

Страница 187: ...Confidential SEIKO EPSON CORPORATION Printed in Japan ...

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