Citizen CL-E720DT Technical Manual
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Citizen CL-E720DT Technical Manual

Direct thermal barcode & label printer
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Direct Thermal Barcode & Label Printer

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Summary of Contents for Citizen CL-E720DT

  • Page 1 Technical Manual CL-E720DT Direct Thermal Barcode & Label Printer...
  • Page 2 NOTICE This document contains proprietary information of Citizen Systems Japan Co, Ltd. No part of this document or its contents shall be used or reproduced without the express permission of Citizen Systems Japan Co, Ltd. ® CITIZEN is a registered trade mark of CITIZEN HOLDINGS CO., LTD., Japan.
  • Page 3 HAPTER PECIFICATIONS HAPTER PERATING RINCIPLE HAPTER ISASSEMBLY AND AINTENANCE HAPTER ROUBLESHOOTING HAPTER ARTS ISTS HAPTER IRCUIT IAGRAMS PPENDICES CL-E720DT...

  • Page 4: Safety Precautions

    • Do not put the printed circuit boards directly on the printer or on the floor. • When disassembling or reassembling, check wires for any damage and do not pinch or damage them. Also, run wires as they were. CL-E720DT...
  • Page 5 Chapter 1 Specifications HAPTER PECIFICATIONS CL-E720DT...
  • Page 6 Chapter 1 Specifications CHAPTER 1 SPECIFICATIONS TABLE OF CONTENTS 1-1. General Specifications ....................1-3 1-2. Printable Area ......................... 1-8 1-3. Printing Position Accuracy ....................1-9 1-4. Adjustable Sensors......................1-10 CL-E720DT...

  • Page 7: General Specifications

    Min. media thickness 0.0635 mm 0.0025" *1: Options can be separately purchased. *2: When a media pitch of less than 25.4 mm (1 inch) is used, set the “Small Media Adjustment” setting in the “Page Setup” menu to “ON”. CL-E720DT...
  • Page 8 • Plessey • UPC/EAN Extensions • UPC-A • POSTNET • Planet Two-dimension • Code49 • PDF-417 • CODA BLOCK • UPS Maxi Code • Micro PDF-417 • Data Matrix • QR Code • GS1 DataBar • TLC39 • Aztec CL-E720DT...
  • Page 9 Zebra programming language *3: The OCR font may have a low recognition rate according to the reader. *4: UFST and TrueType rasterizer are licensed from Monotype Imaging, Inc. ® *5: “PC866U Ukraina” is available for Datamax emulation only. CL-E720DT...
  • Page 10 EN60950-1, EN55022 (Class A), EN55024, EN61000-3-2, EN61000-3-3 GB4943.1-2011, GB9254-1998, GB17625.1-2003 Power consumption 120V: 56W (operating at 8 IPS at 12.5% printing duty), 3.1W (standby at LCD is OFF) 220V: 62W (operating at 8 IPS at 12.5% printing duty), 2.5W (standby at LCD is OFF) CL-E720DT...
  • Page 11 Power cord, “Shaft Holder” and “SA Paper Flange”, Cleaner head, “Manual User’s (CD-R)”, “Guide Quick-Start”, “Safety Instructions”, Label paper Options Auto-cutter unit, Peeler unit, Serial I/F board, Parallel I/F board, Wired LAN I/F board (multi-functional) Wireless LAN board (standard/multi-functional) CL-E720DT...

  • Page 12: Printable Area

    The unprintable areas on both sides apply to any size media. Media guide Maximum media width: 118 mm (4.65") Unprintable area Printable area (0, 0) Printing start position 2.5 mm (0.10") Reference end Direction of media feed 104.0 mm (4.09”) 11.5 mm (0.45”) CL-E720DT...

  • Page 13: Printing Position Accuracy

    *2: Deviation of vertical positioning when printing position is set to 0. *3: Deviation of horizontal positioning when printing position is set to 0. *4: Deviation of vertical printing position when 100 mm is specified from the printing start position. CL-E720DT...

  • Page 14: Adjustable Sensors

    (Moveable range of the Media transparent sensor) -0.2 to 57.8 mm (-0.01 to 2.28”) (Moveable range of the reflective sensor) Printable area 2.5 mm (0.10") Maximum media width: 118 mm (4.65") Direction of media feed 104.0 mm (4.09”) 11.5 mm (0.45”) 1-10 CL-E720DT...
  • Page 15 Chapter 2 Operating Principles HAPTER PERATING RINCIPLES CL-E720DT...

  • Page 16: Table Of Contents

    (SA Ref Sensor PCB) ................2-18 Head temperature sensor................2-20 PF motor temperature sensor..............2-21 2-2-5. Drivers........................ 2-23 PF motor driver..................2-23 Head driver ....................2-24 Buzzer driver ..................... 2-25 2-2-6. Other circuits ...................... 2-26 Power supply circuit................... 2-26 Reset circuit....................2-27 CL-E720DT...
  • Page 17 Specifications..................... 2-55 Signal line and pin assignment..............2-55 Protocol ..................... 2-56 2-4-4. Parallel Interface (Option) .................. 2-57 Specifications..................... 2-57 Signal line and pin assignment..............2-57 Parallel port status signals when an error occurs ........2-58 Compatible timing specification ..............2-58 CL-E720DT...

  • Page 18: Operation Of Each Mechanism

    It converts AC input to DC24 V. SA Main PCB SA Head SA TRA Sen PCB (Transparent Sensor) SA Head Up Sensor PCB (Head Up Sensor) SA PF Motor Relay PCB SA Opepane PCB SA Ref Sensor PCB (Reflective Sensor) Unit Power Supply CL-E720DT...

  • Page 19: Media Feed/Printing Mechanism

    Head” and printing is done. When the “SA PF Motor” turns clockwise, the media is fed backwards. SA Head Thermal Elements SA PF Motor SA Platen Media Gear PF Idle Motor Gear Gear PF1 Gear PF2 [Right side view] CL-E720DT...

  • Page 20: Label/Tag Detection Mechanism

    [For label paper/tag with U-shaped notches] * Both sensors are used. Transparent Sensor hoto- Transparent transistor Sensor Reflective Sensor [For tag with black marks] * Reflective sensors alone is used. hototransistor LEDs Black mark Reflective Sensor Reflective Sensor CL-E720DT...
  • Page 21 Label U-shaped Black mark Label notch Label gap Media Liner Transparent and Reflective sensors Reflective sensor Transparent sensor Sensor to be Media Media used LEDs LEDs Reflective sensor Reflective sensor Media Sensor See Trough Reflect menu CL-E720DT...
  • Page 22 The amount of light is as follows (the largest amount is for “See Through): • Continuous media (None) < Black mark (Reflect) < Label/U-shaped notch (See Through) CL-E720DT...

  • Page 23: Print Head Up/Down Detection Mechanism

    The CPU on the “SA Main PCB” detects the up or down position of the head block by sensing the output from the head up sensor. Head Block Head Block "Up" position Photo- Interrupter SA Head Up Sensor PCB Head Block "Down" position Photo- Interrupter SA Head Up Sensor PCB (Head Up Sensor) SA Head Up Sensor PCB CL-E720DT...

  • Page 24: Head Balance Adjustment Mechanism

    Taward "0" Spring Head R Weak Spring Head L (Movable) (Fixed) Lever Head Balance Cam Head Balance SA Head (Media Width Adjustment Dial) Media (Narrow width) SA Platen Strong Taward "9" For wide media SA Head Media (Wide width) 2-10 CL-E720DT...

  • Page 25: Media Thickness Adjustment Mechanism

    “SA Platen” (), viewing from the right side of the “SA Platen”. SA Lever Head Adjust 2 SA Head Holder (Fixed) For soft media Cam Head Adjust (Media Thickness Adjustment Dial) Bracket Head Supporting Thermal elements point SA Head Supporting Media point Groove SA Platen For hard media 2-11 CL-E720DT...

  • Page 26: Operation Of Control Parts

    Controls the entire operations of the printer. It consists of CPU, ROM, RAM, FPGA, driver circuits, etc. (3) Operation panel (SA Opepane PCB) A panel used to indicate the operating status of the printer and to set specifications. It consists of 4 keys, 1 LED (Green/Red) and 1 LCD. 2-12 CL-E720DT...

  • Page 27: Thermal Print Head

    This is the parallel I/F to transmit and receive parallel data between the printer and the host. It supports Centronics Compatible mode, NIBBLE mode and ECP mode. (11) Wireless LAN I/F (O p tion) This is a circuit that supports wireless LAN protocols (IEEE802.11n/IEEE802.11g/ EEE802.11b). 2-13 CL-E720DT...

  • Page 28: Operation Of Control Unit

    EP4CE10F17C8 [SA Head] (384MHz) F-ROM USB 2.0 (128Mbits) (High-Speed/Full-Speed) Stepping Ethernet Paper Feed Motor 10Base-T/100Base-TX Motor [SA PF Motor] Ethernet Driver Operation Panel (SWx4/LED/LCD) [SA Opepane PCB] RS232C IEEE1284 Ethernet I/F (Multi-function type) Wi-Fi I/F (Option) Interface Board 2-14 CL-E720DT...

  • Page 29: Cpu

    (6) Stepping motor driver (For “SA PF Motor”) This is a circuit to drive the “SA PF Motor”. The “SA PF Motor” is a stepping motor. (7) Buzzer The buzzer is driven when an alarm, etc. occurs. 2-15 CL-E720DT...

  • Page 30: Memory Map

    187D0000h LCD Font Data (For downloading) (For CSA/CSE) 187DFFFFh 187E0000h Service Information (Backup) 187EFFFFh 187F0000h Service Information 187FFFFFh 18800000h Chinese Font (8M Bytes) 18FFFFFFh 20000000h Command RAM/Data RAM (Built-in CPU) 202FFFFFh 20300000h I/O (Built-in CPU) Reserved Area FFFFFFFFh 2-16 CL-E720DT...

  • Page 31: Sensors

    [SA Main PCB] H: Head Down Head Block Head Block "Up" position Photo- Interrupter SA Head Up Sensor PCB Head Block "Down" position Photo- Interrupter SA Head Up Sensor PCB (Head Up Sensor) SA Head Up Sensor PCB 2-17 CL-E720DT...

  • Page 32: Transparent Sensor (Sa Tra Sen Pcb) And Reflective Sensor (Sa Ref Sensor Pcb)

    When media runs out, since the light emitted from the LEDs directly falls on the transparent sensor continuously, media end can be detected. In this case, pin 96 (SNSTRA) of the CPU will go to “High” level. 2-18 CL-E720DT...
  • Page 33 95 (SNSREF). As to the current control of the LEDs, the operation is the same as for “Transparent sensor and reflective sensor (for detecting labels or U-shaped notches):” mentioned above. 2-19 CL-E720DT...

  • Page 34: Head Temperature Sensor

    To recover from the error status, turn OFF the printer once and then turn it A reference voltage, i.e., an allowable temperature limit, is applied to pin 2 of the comparator (U7A), while the sensor output voltage (TMPHD) from the head temperature sensor is applied to pin 3. 2-20 CL-E720DT...

  • Page 35: Pf Motor Temperature Sensor

    When the temperature of the “SA PF Motor” falls below 90  C (194  F), the LED and LCD returns to normal display, and printing automatically resumes. (Stops) Normal speed Normal speed Low speed 95°C 105°C 90°C Normal speed (Stop) (203°F) (Stop) (221°F) (194°F) 2-21 CL-E720DT...
  • Page 36 “Low” level. At this time, pin K1 (nTMPERR) is “Low” and the FPGA (U5) detects an abnormally high temperature. In this abnormal state, the printer stops +24V DC supply to the “SA PF Motor”. Also, it stops +24V DC supply to the “SA Head”. 2-22 CL-E720DT...

  • Page 37: Drivers

    PFDIR OUT2A 11_D1 nPFENB 11_F1 ENABLE OUT2B nPFSLEEP 71_A12 SLEEP PFMS1 [SA PF Motor] MODE0 12_F2 PFMS2 MODE1 13_F3 Motor current control D/A Converter DAPFMT 82_B5 82_B4 C116 14_D4 A4984SES R2A20164SA +3.3V R165 81_A6 [SA Main PCB] DTC114TM 2-23 CL-E720DT...

  • Page 38: Head Driver

    When driving: +24V +5.0V When checking: +5V 1-4,23-26 Buffer HDDAT3 HDDATA2 84_D8 HDDATA1 HDDAT2 83_C8 Thermal HDDATA0 HDDAT1 82_B8 Head nHDSTB nHDSTB 7,9,15 84_D6 HDCLK HDCLK 81_A8 nHDLAT nHDLAT 83_C6 5,6,8,11,12, 19,20,22 [SA Head] 74VHCT244 [SA Main PCB] 2-24 CL-E720DT...

  • Page 39: Buzzer Driver

    Buzzer will sound at the time of key operation or error occurrence. To sound the buzzer, the CPU (U1A) outputs a pulse from pin 137 (BUZZER). The transistor Q3 turns ON and OFF, and the buzzer sounds. +24V BUZZER P9_5 DTC114EM [SA Main PCB] 2-25 CL-E720DT...

  • Page 40: Other Circuits

    “Unit Power Supply” resumes +24V DC and the printer automatically returns to the normal mode. * By setting the “LCD Standby” of the “System Setup Menu” to ON, the LCD display turns off for further power saving when the printer enters the power saving mode. 2-26 CL-E720DT...

  • Page 41: Reset Circuit

    I/F circuits. +3.3V +3.3V L : Reset Voltage Detector nRST nRST nRSTGA [SA Main PCB] XC6119N28ANR-G Power ON nRSTIF +3.3V (To I/F circuits) +3.3V nRSTGA (To other circuits) FPGA nRST 21_R1 Reset nRSTV3 21_P1 2-27 CL-E720DT...

  • Page 42: Clock Circuit

    CPU generates a 384 MHz internal clock and 64 MHz bus clock. The 64MHz bus clock is fed to the FPGA (U5) and SDRAM (U4). System Clock (48MHz) Bus Clock USB_X1 (64MHz) FPGA USB_X2 48MHz BUSCLK CLK1 CKIO BUSCLK (To SDRAM) Internal Clock (384MHz) [SA Main PCB] 2-28 CL-E720DT...

  • Page 43: Ope-Pane Circuit

    LED0_G LED/RED +5VIO DTC114TM LED1_R R209 Green (Power) R210 DTC114TM Red (Error) D201 [SA Main PCB] [SA Opepane PCB] * In power saving mode, +3VIO and +5VIO are not supplied. For details refer to “2-2-6(1) Power supply circuit”. 2-29 CL-E720DT...

  • Page 44: Usb I/F Control Circuit

    A certain voltage is applied when R109 a USB connector is connected. VBUSIN0 USBVBUS0 R113 VBUS0 C135 U15A DTC115TM R114 C136 BA2903SFVM C137 R115 C138 USB I/F VBUS USBDM0 USBDP0 SHLD Diode Array (Transient Voltage Supressor) [SA Main PCB] 2-30 CL-E720DT...

  • Page 45: Wired Lan I/F Circuit

    ET_RXD0 RXD0 LED0 ET_RXDV RXDV To/From ET_RXCLK U1A (CPU) ET_RXER RXER nETINTP INTRP ET_TXCLK ET_TXEN TXEN ET_TXD0 TXD0 ET_TXD1 TXD1 ET_TXD2 TXD2 R161 ET_TXD3 LED1 TXD3 ET_COL ET_CRS RJ45 Connector C170 C171 nRSTIF nRST [SA Main PCB] KSZ8081MNXCA 2-31 CL-E720DT...

  • Page 46: Option Board I/F Circuit (Option)

    U5 FPGA nACK/DTR ACK/DTR/pEP01 nFAULT FAULT/hINT SLCT SELECT/PPON0 DSWOUT DWSWOT IFTXD/SO/DIR TXD/SO/DIR IFRXD/SI RXD/SI IFSCLK SCLK nRSTIF RESET To/From USBDP1 USB_D+ U1A CPU USBDM1 USB_D- VBUS Diode Array 33-38,40 (Transient Voltage Supressor) USBVBUS1 C127 C128 [SA Main PCB] 2-32 CL-E720DT...

  • Page 47: Peeler Circuit (For Optional Peeler)

    Peeler CPTYP1 J301 74_D9 OPTION_TYPE1 +3.3V CPRTYP1 +5VIO +5VIO D3 R69 PEELER SENS SNSPEEL PEELSENS [SA Relay PCB] [SA Main PCB] * In power saving mode, +5VIO is not supplied. For details refer to “2-2-6(1) Power supply circuit”. 2-33 CL-E720DT...

  • Page 48: Cutter Control Circuit (For Optional Cutter)

    CUTTH OPTION TYPE_0 L: When Cutter is installed. CPRTYP0 CPTYP0 8,9,10 74_D12 CPTYP1 74_D9 (from the Peeler) [SA Relay PCB] TMPCUT TEMP ERROR Detection +3.3V +3.3V FPGA TMPENB_CUT 71_A15 TMPCUT BA2903SFVM nTMPERR 21_K1 Error: Low [SA Main PCB] 2-34 CL-E720DT...
  • Page 49 U8B goes to “Low” level. At this time, pin K1 (nTMPERR) is “Low” and the FPGA detects an abnormally high temperature. In this abnormal state, the printer stops +24V DC (VMT) supply to the cutter. Also it stops +24V DC supply to the “SA Head” and “SA PF Motor”. 2-35 CL-E720DT...

  • Page 50: Operation Panel

    In the case of continuous media, it is fed by a certain distance and then stops. • When “TEAR OFF” setting is enabled, media is fed to TEAR OFF position and stops there. 2-36 CL-E720DT...
  • Page 51 Once you have set to “Repeat Last One”, pressing the [MENU] key reissues the last label. However, in this case, to enter menu setup mode, you need to press and hold the [MENU] key for more than 4 seconds. 2-37 CL-E720DT...

  • Page 52: Test Mode

    The printer enters self print mode for self test printing, and then stops after printing. 3. To repeat self test printing, press the [FEED] ( ) key again. To exit from self print mode: Turn off the power. 2-38 CL-E720DT...

  • Page 53: Hex Dump Mode

    02 40 30 31 30 30 0D 02 60 30 30 32 30 0D 02 4C .M0100..c0020..L 44 31 31 0D 31 30 30 30 30 30 30 30 30 30 31 30 D11.100000000010 30 30 31 30 31 32 33 34 35 36 37 38 39 3A 3B 3C 0010123456789:;< 2-39 CL-E720DT...

  • Page 54: Menu List Print Mode

    Then the printer enters menu setup mode for further menu operation. To exit from menu list print mode: In Main menu, press the [PAUSE] ( ) key twice. Machine Information Note: Citizen continually enhances its Model Number : CL-E720DT Serial Number : **-*******...
  • Page 55 : On IPv6 : On [Option Interface Menu] RS-232C Baud rate : 9600 bps RS-232C Parity : None RS-232C Length : 8 bit RS-232C Stop bit : 1 bit RS-232C X-ON : Yes  <Example of Datamax emulation selected> 2-41 CL-E720DT...

  • Page 56: Factory/Service Mode

    Returns to previous item, or the value is incremented/changed. [MENU] Goes to the next item, or the value is decremented/changed. [PAUSE] ( ) Resets the printer, or exits from the current menu. ■ [STOP] ( Acts as the Enter key. 2-42 CL-E720DT...
  • Page 57 Cut Counter [MENU] Interface MENU [MENU] ■ STOP ( Option Interface [MENU] FEED ( Machine Info PAUSE ( ) [MENU] Test Mode [MENU] Global Config To exit from Factory/Service mode: In main menu, press the [PAUSE] ( ) key. 2-43 CL-E720DT...

  • Page 58: How To Print The Factory Mode Settings Menus

    ) key to print the configuration settings. The current factory mode setting values are printed. To exit from menu mode: Press the [PAUSE] ( ) key several times until the printer exits from the “Test Mode” main menu. 2-44 CL-E720DT...

  • Page 59: Machine Information

    Chapter 2 Operating Principles 2-3. Operation Panel [Print sample] Machine Information Note: Citizen continually enhances its Model Number : CL-E720DT Serial Number : **-******* printers with new options and Boot Version : *.* settings based on our customer’s ROM Version...
  • Page 60 : On IPv6 : On [Option Interface Menu] RS-232C Baud rate : 9600 bps RS-232C Parity : None RS-232C Length : 8 bit RS-232C Stop bit : 1 bit RS-232C X-ON : Yes  <Example of Datamax emulation selected> 2-46 CL-E720DT...

  • Page 61: How To Change The Settings In Factory Mode

    (+000 dot) (-32 to +32 mm, -1.26 to +1.26 inches) (Option) Mach Peel Pos -256 to +256dot Electrically shifts the peel position back and [Machine Peel Position] (+000 dot) forth. (-32 to +32 mm, -1.26 to +1.26 inches) (Option) 2-47 CL-E720DT...
  • Page 62 [Double Heat Menu] (Off) Heat” or not. DT Hot HeatRate -1.0 to +1.0% Adjusts the head temperature compensation [DT Hot HeatRate Adjust] (0.0%) coefficient for the head temperature 25C (77F) and higher. To increase the print darkness, increase the value. 2-48 CL-E720DT...
  • Page 63 Head Clean Msg 0 to 9999999 Designates the length where a head cleaning [Head Clean Message] (0000000m) message is to be printed. Print Prefer Darkness/Speed To put the priority on printing density or printing [Printer Preference] (Darkness) speed is selectable. 2-49 CL-E720DT...

  • Page 64: Setting Submenu In Factory Mode

    7. Press the [PAUSE] ( ) key to return to “Factory Setup” menu. (To set other submenu, repeat from Step 2.) 8. Press the [PAUSE] ( ) key once again. The changed value is stored in the printer and the printer restarts internally. Then, the printer returns to normal operation. 2-50 CL-E720DT...

  • Page 65: How To Operate Submenus In Service Mode

    Example: Length 0123.456Km ■ To clear the service counter, press the [STOP] ( key. Cut Counter Displays the cut count since you reset it last. Example: Count ■ To clear the cut counter, press the [STOP] ( ) key. 2-51 CL-E720DT...

  • Page 66: Submenu Operation In Service Mode

    Then, the “SA PF Motor” turns to feed media forward or backward. (The ■ “SA PF Motor” turns each time you press the [STOP] ( ) key.) [When selecting “Head Check”] [When selecting “Motor Feed”] Feed Feed  PASS    Start Back 0000dots 2-52 CL-E720DT...
  • Page 67 ) key to execute resetting. Length 0000.000 km 7. Press the [PAUSE] ( ) key twice to return to “Service Mode” main menu. 8. To check other submenu, repeat from Step 3. Otherwise, turn off the power to terminate Factory/Service mode. 2-53 CL-E720DT...

  • Page 68: Interface

    TCP, UDP Application layer: DHCP, HTTP, SNMP, Raw Socket Port Connector RJ-45 (2) Signal line and pin arrangement Pin No. Signal name Function Send (+) Send (-) Receive (+) Not used. Not used. Receive (-) Not used. Not used. 2-54 CL-E720DT...

  • Page 69: Serial Interface (Option)

    SGND Signal ground Signal grounding line 8-13, Not used 15-19 (Factory use only ) Data Terminal Signal line that is active when the printer can Ready interface with the host 21-25 Not used  2-55 CL-E720DT...

  • Page 70: Protocol

    DTR turns to “Low (Busy)” in the following conditions: • When the printer is in off-line mode. • When the remaining buffer is less than 128 bytes. (After DTR becomes “Low”, DTR retains “Low” until the remaining buffer becomes 1024 bytes or more.) 2-56 CL-E720DT...

  • Page 71: Parallel Interface (Option)

    Peripheral logic high (Pulled up to +5V at 10K resister.) 19-30 Ground for twisted pair return PRIME Input Printer reset FAULT Output Signal specifying printer error Signal ground Not used Pulled up to +5V at 10K resistor. SELECTIN Input Invalid (ignored) 2-57 CL-E720DT...

  • Page 72: Parallel Port Status Signals When An Error Occurs

    • Other Select: H  L Fault: Conditions for Busy • Receive buffer full • Data being read • Error  (4) Compatible timing specification [When power is on] (Timing to go on-line) Power On Reset BUSY SELECT 2-58 CL-E720DT...
  • Page 73 [While receiving PRIME signal] 10~15µsec or more PRIME BUSY Fault SELECT Note: If the PRIME signal width is 10 µsec or less, it is not accepted. BUSY goes to “High” when the PRIME signal is accepted by the printer. 2-59 CL-E720DT...
  • Page 74 Chapter 2 Operating Principles 2-4. Interface [Timing relationship between BUSY and ACK] Center BUSY About 2 µsec 2-60 CL-E720DT...
  • Page 75 Chapter 3 Disassembly and Maintenance HAPTER ISASSEMBLY AND AINTENANCE CL-E720DT...
  • Page 76 “SA Head” and “Cam Head Adjust”............3-30 Cam Head Balance ................... 3-32 3-6-13. SA PF Motor....................... 3-33 3-6-14. “SA Ref Sensor PCB” and “Spring Adjust Sensor L” .......... 3-34 3-6-15. Platen Drive Gears, “Lever Head Lock”, Frames and “Plate Peeler” ....3-36 CL-E720DT...
  • Page 77 “Frame Main”, “SA Main Plate L” and “Plate Peeler” ......... 3-38 3-7. Adjustment (Transparent/Reflective Sensor) ..............3-39 Sensor position adjustment (Factory mode)..........3-39 Sensor sensitivity adjustment (Factory mode)........... 3-39 (2-1) “Init Thru Sen” sensitivity adjustment..........3-40 (2-2) Init Refl Sen sensitivity adjustment ..........3-42 CL-E720DT...

  • Page 78: Maintenance Precautions

    • Do not put the printed circuit boards directly on the printer or on the floor. • When disassembling or reassembling, check wires for any damage and do not pinch or damage them. Also, run wires as they were. CL-E720DT...

  • Page 79: Cleaning

    • FLOIL G-311S (by Kanto Chemical Co., Ltd.) 3-3-3. Quantity of lubricant Small quantity.. ..... About 1 drop. Ordinary quantity .. ..About 3 to 4 drops. About 0.2 mm thick for grease. Large quantity.. ..Apply sufficiently. CL-E720DT...

  • Page 80: Maintenance Tools List

    Description Phillips Screwdriver Bit: #0, #1, #2 (Length 200mm) Phillips Screwdriver Bit: #0, #1, #2 (Length 100mm) Flat-blade Screwdriver 4.3 mm width Box wrench Box size: 5 mm Tweezers Round Nose Pliers Cutting Nippers Soldering Iron (30W) Volt-ohm Meter CL-E720DT...

  • Page 81: Quick Detachment Of Major Parts

    • The “SA Cover Frame” has two bosses that allow easy positioning of the “SA Head”. When mounting the “SA Head” with the 1 screw (BH M3.0x6 (NI)) (), be sure that it is securely engaged with the bosses. CL-E720DT...

  • Page 82: Sa Platen

    “SA Platen” by lifting it upwardly. "SA Top Cover" Block Head Block SA Platen Note on reassembling: • After mounting the “SA Platen”, be sure that it is securely engaged with the main body. CL-E720DT...

  • Page 83: Disassembly, Reassembly And Lubrication

    Chapter 3 Disassembly and Maintenance 3-6. Disassembly, Reassembly and Lubrication 3-6. Disassembly, Reassembly and Lubrication [Disassembly Flowchart for Major Parts] CL-E720DT (See 3-5-1.) SA Head (See 3-5-2.) SA Platen (See 3-6-1.) “SA Top Cover” Block (“SA Top Cover” Block opened) (See 3-6-2.)

  • Page 84: Sa Top Cover" Block

    1. Remove the 2 screws (BH M3.0x8D) and detach the “Cover Front Top” in the direction shown by the arrow. 2. Remove the “Logo Citizen L” from the “Cover Front Top”. 3. Remove the “Cover Window” from the “SA Top Cover”.

  • Page 85: Cover Pf Motor

    1. Remove the 1 screw (BH M3.0x5K) and detach the “Cover PF Motor DT” upwardly. 2. Remove the 1 screw (NO2 BH M3.0x12D) and detach the “Cover PF Motor 2” () upwardly. NO2 BH M3.0x12D Cover PF Motor 2 BH M3.0x5K (SA Relay PCB) Cover PF Motor DT 3-11 CL-E720DT...

  • Page 86: Sa Opepane Pcb

    Cover”. 4. Remove the “Sheet Ope-Pane” and “Cover LCD” from the “Cover Ope-Pane”. Holder Ope-Pane Cover BH PT M2.0x8 NO.0PH (4-0.3) M2.0x3 (NI) Spacer Screw SA Opepane PCB Sheet Ope-Pane Cover LCD Key Ope-Pane Window LED Cover Ope-Pane 3-12 CL-E720DT...

  • Page 87: Case

    4. Remove the 1 screw (BH M3.0x5K) and 2 screws (BH M3.0x4 (NI)), slide the “Cover Steel L” backward (), and then detach it by lifting upwardly (). BH M3.0x4 (NI) Case BH M3.0x5K BH M3.0x4 (NI) Cover Steel L 3-13 CL-E720DT...

  • Page 88: Sa Main Pcb" And "Sa Relay Pcb

    2. Disconnect the “SA Relay Cable” from the “SA Relay PCB”. 3. Remove the 4 screws (BH M3.0x4 (NI)) and detach the “SA Relay PCB”. H M3.0x4 (NI) "SA Main PC " lock H M3.0x5K J301 SA Relay Cable FFC Opepane H M3.0x4 (NI) SA Relay PC 3-14 CL-E720DT...
  • Page 89 SA Main PCB Plate I/F Cover Plate Main PCB Note on reassembling: • When the “SA Main PCB” is replaced with a new one, be sure to perform the transparent/reflective sensor adjustment. Refer to “3-7 Adjustment (Transparent/Reflective Sensor)”. 3-15 CL-E720DT...

  • Page 90: Unit Mechanism

    • When mounting the “Frame Relay PCB”, fit its 2 holes to the bosses of the main body, referring to the magnified view. At this time, be sure that the part “A” of the “Frame Relay PCB” is correctly placed on the foot of the “Unit Mechanism”. [FRONT] Align. Label Mark 3-16 CL-E720DT...

  • Page 91: Unit Power Supply" And "Paper Holder" Block

    10. Remove the 2 screws (BH M3.0x4 (NI)) and detach the “Plate Holder Paper R” from the bottom frame. BH M3.0x4 (NI) BH M3.0x4 (NI) BH M3.0x4 (NI) "Paper Holder" Block Frame Mechanism Plate Holder Paper R SA Power Cable BH M3.0x4 (NI) BH M3.0x4 (NI) "Unit Power Supply" Block AC Input Connector 3-17 CL-E720DT...

  • Page 92: Unit Power Supply

    1. Remove the 3 screws (BH M3.0x4 (NI)) and detach the “Cover Lever”. 2. Remove the “SA Damper Shaft” and “Spring Damper” (2 pcs.) from the “Plate Holder Paper L”. BH M3.0x4 (NI) Cover Lever Spring Damper SA Damper Shaft Spring Damper Plate Holder Paper L 3-18 CL-E720DT...

  • Page 93: Sa Power Sw Cable" And "Frame Bottom

    (NI) PH (SW+PW) M4x6 Label Caution (CHINA) Plate Hinge R Frame Bottom Label Rating BH M3.0x5K BH M3.0x4 (NI) BH M3.0x8 Cover Steel R Note on reassembling: • Once the label is peeled off, it cannot be reused. 3-19 CL-E720DT...

  • Page 94: Sa Platen

    1. Open the Head Block. 2. While pressing the part “A” of the “SA Platen”, raise its right end by about the indicated degrees. 3. Remove the “SA Platen” by lifting it upwardly. Head Block SA Platen Unit Mechanism 3-20 CL-E720DT...

  • Page 95: Leaf Adjust Sensor U

    BH M2.0x4 (NI) Unit Sensor U A’ B’ Notes on reassembling: • When mounting the “Unit Sensor U” (), insert its projections “A” and “B” into the corresponding holes “A’ ” and “B’ ” in the main body. 3-21 CL-E720DT...

  • Page 96: Sa Tra Sen Pcb

    If it is inserted upside down, the circuit is not electrically connected. • When the “SA TRA Sen PCB” is replaced with a new one, be sure to perform the sensor adjustment. Refer to “3-7 Adjustment (Transparent/Reflective Sensor)”. 3-22 CL-E720DT...

  • Page 97: Ffc Tra Sensor" And "Leaf Adjust Sensor U

    FFC TRA Sensor Tape Sensor Cable U Leaf Adjust Sensor U Spring Sensor Frame NO.0 TFH (PT4-0.5) M2.0x4 NO1 PHT M2.0x8 (NI) 2x5x0.3 (NI) BH M3.0x6 (NI) Cap Sensor Frame L Cap Sensor Frame R Plate Sensor Holder U 3-23 CL-E720DT...
  • Page 98 • Run the “FFC TRA Sensor” () as shown below. Pass it through the two slits (“A” and “B”) and the hook part. FFC TRA Sensor Cap Sensor Cable U Hook Slit "A" Slit "B" [Bottom View] [Bottom View] 3-24 CL-E720DT...
  • Page 99 Wire” (), and then hook the short end of the spring on the part “C” of the “Holder Sensor U” Block. Fixing the "Spring Sensor Frame" (Shorter slit) Cable wire for pulling Cover Head Wire "Holder Sensor U" Block Spring Sensor Frame 3-25 CL-E720DT...

  • Page 100: Unit Head" And "Unit Pf

    C: Along the contacting surface (rear left). D: 3 surfaces on the “Shaft Head Holder” (). Hooks for “Spring Head Up” () (2 places) • When mounting the “Shaft Head Holder” (), be sure that its mounting direction is correct. 3-26 CL-E720DT...
  • Page 101 At this time, hook the “Spring Head Up” () so that its hook parts direct inward of the mechanism as shown below. (This can prevent unwanted noise that might occur when the “Unit Head” () is opened or closed.) Hook part Spring Head Up Hook part 3-27 CL-E720DT...

  • Page 102: Sa Head", "Cam Head Adjust" And "Cam Head Balance

    12. Remove the 2 screws (BH M3.0x3 (NI) and BH M3.0x6 (NI)), and detach the “SA HD Earth Wire”. BH M3.0x6 (NI) BH M3.0x3 (NI) BH M3.0x6 (NI) Guide Head Cable SA HD Earth Wire "SA Head" Block "5" (Media Width Adjustment Dial) SA Head Cable "5" Unit Head (Media Thickness Adjusment Dial) 3-28 CL-E720DT...
  • Page 103 4. After mounting the “SA Head” Block, set the Media width adjustment dial to “5” to give tension to the “SA Head” Block. Claw "SA Head" Block "0" (Media Width Adjustment Dial) Screw "9" to "5" (Media Thickness Adjusment Dial) Slit 3-29 CL-E720DT...

  • Page 104: Sa Head" And "Cam Head Adjust

    Spring Head Holder Sheet Cable Protect "Cam Head Adjust" Block Lever Head Adjust2 NO1 PHT M2.0x6 (NI) SA Lever Head Adjust 2 2x5x0.3 (NI) Spring Adjust Cam Cam Head Adjust Guide Head Adjust Spring 3x8x0.5 PHT (#2) M3.0x8 (NI) 3-30 CL-E720DT...
  • Page 105 • Clean the thermal element surface of the “SA Head” with the head cleaner. • After assembling the “SA Head”, perform test print in self print mode to check the print quality. (Refer to “2-3-2(1) Self print mode”.) 3-31 CL-E720DT...

  • Page 106: Cam Head Balance

    • Once the label is peeled off, it cannot be reused. • When attaching the “Sheet Head Holder”, align its left rear corner with the two marking lines on the “SA Head Holder Base” as shown on the right. SA Head Holder Base 3-32 CL-E720DT...

  • Page 107: Sa Pf Motor

    (with Thermistor)” so that its letter “C” is located on the connector side of the “SA PF Motor (with Thermistor)”. • Mount the “SA PF Motor (with Thermistor)” on the frame so that its connector faces the front. 3-33 CL-E720DT...

  • Page 108: Sa Ref Sensor Pcb" And "Spring Adjust Sensor L

    NoO PH(4-0.3) M2x3 (NI) SA Ref Sensor PCB Guide Paper Set NO.0 PHT(BT#1) M2.0x3 Spring Friction Sen PG SA Ref Sensor Cable Plate Friction PG Spring Adjust Sensor L Shaft Sensor Guide Wire Tie BH M3.0x4 (NI) Holder Guide Sensor L 3-34 CL-E720DT...
  • Page 109 Press straight down. Holder Adjust Sensor L Slit Spring Adjust Sensor L • When the “SA Ref Sensor PCB” is replaced with a new one, be sure to perform the sensor adjustment. Refer to “3-7 Adjustment (Transparent/Reflective Sensor)”. 3-35 CL-E720DT...

  • Page 110: Platen Drive Gears

    Gear PF Idle Gear PF 2 5.2x10x0.25 E-Ring 4.0 Notes on reassembling:  • Apply FLOIL G-311S to each gears and shafts marked with “ ”. • The gears have their own orientation except the “Gear PF Idle”. 3-36 CL-E720DT...

  • Page 111: Lever Head Lock" And "Sa Main Plate R

    “Lever Head Lock”, and insert the other end into the hole in the “SA Main Plate R”. Also, mount the “Lever Head Lock” on the “SA Main Plate R” as shown below. Then, be sure that the lever moves smoothly. Lever Head Lock 3-37 CL-E720DT...
  • Page 112 • Stick the “Label Mark” so that its mark is aligned with the media guide end of the “Cover Head Wire” (a part of the “Unit Mechanism”). Plate Holder Paper L Cover Head Wire Unit Mechanism [FRONT] Label Mark Align. 3-38 CL-E720DT...

  • Page 113: Adjustment (Transparent/Reflective Sensor)

    • SA TRA Sen PCB (Transparent sensor) “3-7(2-1) “Init Thru Sen” • SA Ref Sensor PCB (Reflective sensor) sensitivity adjustment” • SA Main PCB Init Refl Sen • SA Ref Sensor PCB (Reflective sensor) “3-7(2-2) Init Refl Sen • SA Main PCB sensitivity adjustment” 3-39 CL-E720DT...

  • Page 114: Init Thru Sen" Sensitivity Adjustment

    3. Be sure that the first submenu “Init Thru Sen” is displayed. Factory Setup   Init Thru Sen ■ 4. Press the [STOP] ( ) key to enter “Init Thru Sen” sensitivity adjustment mode. Init Thru Sen   3-40 CL-E720DT...
  • Page 115 10. Press the [PAUSE] ( ) key to return to “Factory Setup” menu. 11. Press the [PAUSE] ( ) key once again. The changed value is saved in the printer and the printer is restarted internally. Then, the printer returns to normal operation. 3-41 CL-E720DT...

  • Page 116: Init Refl Sen Sensitivity Adjustment

    1. Prepare recommended tag media or tag media to be used. 2. Correctly put the tag media (or continuous tag media) on the “SA Ref Sensor PCB” (Reflective sensor). In this case, keep away the black mark from the “SA Ref Sensor PCB”. 3. Close the Head Block. 3-42 CL-E720DT...
  • Page 117 Adjustment starts and the following screen is display. Now !!   Executing 7. Be sure that adjustment is successfully completed and the following screen is displayed. (The value “123” is an example.) Finished   DAC 123 3-43 CL-E720DT...
  • Page 118 9. Press the [PAUSE] ( ) key twice to return to “Factory Setup” menu. 10. Press the [PAUSE] ( ) key once again. The changed value is saved in the printer and the printer is restarted internally. Then, the printer returns to normal operation. 3-44 CL-E720DT...
  • Page 119 Chapter 4 Troubleshooting HAPTER ROUBLESHOOTING CL-E720DT...
  • Page 120 4-2. Troubleshooting ......................4-5 4-2-1. Problems in Powering Up the Printer ..............4-5 4-2-2. Media-feed Problems ..................4-6 4-2-3. Problems in Printing ................... 4-7 4-2-4. Sensor Problems....................4-8 4-2-5. Operation Panel Problems ................. 4-11 4-2-6. Connector Location .................... 4-12 CL-E720DT...

  • Page 121: Error Message And Corrective Actions

    ) and ■ [STOP] ( ) keys. Then perform sensor adjustment. For details, refer to “2-3-3(3) How to change the settings in Factory mode” in Chapter 2. Paper jam Flashing in red Error • Remove the jammed media. Paper Jam CL-E720DT...
  • Page 122 • Power to the “SA Head” and “SA PF Motor” is shut off. System Fail (To resume, turn the power OFF and then ON.) Auto-cutter abnormality (foreign object etc.) Flashing in red Error (Option) Cutter Fail • Jamming, etc. CL-E720DT...

  • Page 123: Troubleshooting

    If it is not connect or is inserted upside down, no LED lights even if you turned ON the power. Also, nothing is displayed on the LCD. 5. Failure in the power supply circuit. 5. Replace the “Unit Power Supply”. CL-E720DT...

  • Page 124: Media-Feed Problems

    1. Set media correctly. 2. Is the media being used within 2. Use media within manufacturer's manufacturer's specifications? specifications. 3. Check the media feed mechanism and 3. Remove dust or foreign matter. media path for dust or other foreign matter. CL-E720DT...

  • Page 125: Problems In Printing

    [Bottom right of the “SA Main PCB”] 6. “SA Head” is broken. 6. Replace the “SA Head”. 7. Replace the “SA Head”. 7. Failure in the head driver circuit. 8. Replace the “SA Main PCB”. 8. Failure in the control circuit. (Continued) CL-E720DT...

  • Page 126: Sensor Problems

    2. Replace the “SA Head Up Sensor problem) 2. Is the protrusion (metal end) inserted into the photointerrupter of the “SA PCB”. Head Up Sensor PCB”? 3. Failure in the control circuit. 3. Replace the “SA Main PCB”. (Continued) CL-E720DT...
  • Page 127 “SA Ref Sensor PCB” to remove dust. 6. Failure in the reflective sensor. 6. Replace the “SA Ref Sensor PCB”. 7. Failure in the control circuit. 7. Replace the “SA Main PCB”. CL-E720DT...
  • Page 128 * If the adjustment ends abnormally (adjustment impossible), the LED flashes in red and “Failed” is displayed on the LCD. ■ 4. Press the [STOP] ( ) key. Then the printer internally restarts, and then enters the normal operation. 4-10 CL-E720DT...

  • Page 129: Operation Panel Problems

    3. Is the “FFC Opepane” inserted upside 3. Connect it in the right orientation. down? 4. Failure in the “SA Opepane PCB”. 4. Replace the “SA Opepane PCB”. 5. Failure in the control circuit. 5. Replace the “SA Main PCB”. 4-11 CL-E720DT...

  • Page 130: Connector Location

    To SA Relay PCB USB2.0 To SA Head Ethernet To Unit Power Supply Front To SA PF Motor [SA Relay PCB] To Peeler (Optional) To Cutter (Optional) J302 J303 J304 J301 (Not used) To SA Main PCB SA Relay PCB Front 4-12 CL-E720DT...
  • Page 131 Chapter 5 Parts Lists HAPTER ARTS ISTS CL-E720DT...
  • Page 132 Drawing No. 5 Parts List & Location for Unit PF..............5-20 Drawing No. 6 Parts List & Location for Unit Sensor U ............5-24 Drawing No. 7 Parts List & Location for Unit Opepane ............5-28 Drawing No. 8 Parts List & Location for Accessories ............5-31 CL-E720DT...
  • Page 133 Chapter 5 Parts Lists CL-E720DT Recommended Spare Parts List Revision Up List Sheet No. Rev. No. Date Mar. 20, 2015 CL-E720DT...
  • Page 134 Chapter 5 Parts Lists PARTS LIST for CL-E720DT TITLE: Recommended Spare Parts List Sheet No. 1/1 Rev. No. 0 Item Q'ty/ Maint. Class Remarks Location Part No. Part Name Unit Worn Casual PWT20011-0 Unit Power Supply 2-13-1 PPS00152-0 SA Main PCB (200ENG)
  • Page 135 Chapter 5 Parts Lists CL-E720DT Drawing No. 1 Parts List & Location for General Assembly Revision Up List Sheet No. Rev. No. Date Mar. 20, 2015 Mar. 20, 2015 CL-E720DT...
  • Page 136 Chapter 5 Parts Lists DRAWING NO. 1 General Assembly (Rev. 0) (DRAW NO. 7) CL-E720DT...
  • Page 137 Chapter 5 Parts Lists PARTS LIST for CL-E720DT TITLE: General Assembly Sheet No. 1/2 Drawing No. 1 Rev. No. 0 Q'ty/ Location Part Name Part No. Remarks Unit Cover PF Motor 2 PBA00100-0 Cover Front PBA00094-0 Case PBA00093-0 Logo Citizen L...
  • Page 138 Chapter 5 Parts Lists PARTS LIST for CL-E720DT TITLE: General Assembly Sheet No. 2/2 Drawing No. 1 Rev. No. 0 Q'ty/ Location Part Name Part No. Remarks Unit 1-21 Unit Opepane (Ref. Drawing No. 7) Plate Holder Paper R PAC70073-0...
  • Page 139 Chapter 5 Parts Lists CL-E720DT Drawing No. 2 Parts List & Location for Unit Base Revision Up List Sheet No. Rev. No. Date Mar. 20, 2015 Mar. 20, 2015 CL-E720DT...
  • Page 140 Chapter 5 Parts Lists DRAWING NO. 2 Unit Base (Rev. 0) 13-1 13-2 (DRAW NO. 3) 5-10 CL-E720DT...
  • Page 141 Chapter 5 Parts Lists PARTS LIST for CL-E720DT TITLE: Unit Base Sheet No. 1/2 Drawing No. 2 Rev. No. 0 Q'ty/ Location Part Name Part No. Remarks Unit Unit Mechanism (Ref. Drawing No. 3) Frame Mechanism PAC60059-0 SA Relay PCB...
  • Page 142 Chapter 5 Parts Lists PARTS LIST for CL-E720DT TITLE: Unit Base Sheet No. 2/2 Drawing No. 2 Rev. No. 0 Q'ty/ Location Part Name Part No. Remarks Unit 2-20 Screw BH M3.0x6 (NI) E00530-060WF Screw PH (SW+PW) M3x5 E04030-050F Screw NO2 FH M3.0x6 (NI)
  • Page 143 Chapter 5 Parts Lists CL-E720DT Drawing No. 3 Parts List & Location for Unit Mechanism Revision Up List Sheet No. Rev. No. Date Mar. 20, 2015 5-13 CL-E720DT...
  • Page 144 Chapter 5 Parts Lists DRAWING NO. 3 Unit Mechanism (Rev. 0) (DRAW NO. 4) (DRAW NO. 6) (DRAW NO. 5) 5-14 CL-E720DT...
  • Page 145 Chapter 5 Parts Lists PARTS LIST for CL-E720DT TITLE: Unit Mechanism Sheet No. 1/1 Drawing No. 3 Rev. No. 0 Q'ty/ Location Part Name Part No. Remarks Unit Sheet Head Holder JM19204-0 Shaft Head Holder JM42007-0 Unit Head (Ref. Drawing No. 4)
  • Page 146 Chapter 5 Parts Lists CL-E720DT Drawing No. 4 Parts List & Location for Unit Head Revision Up List Sheet No. Rev. No. Date Mar. 20, 2015 Mar. 20, 2015 5-16 CL-E720DT...
  • Page 147 Chapter 5 Parts Lists DRAWING NO. 4 Unit Head (Rev. 0) 5-17 CL-E720DT...
  • Page 148 Chapter 5 Parts Lists PARTS LIST for CL-E720DT TITLE: Unit Head Sheet No. 1/2 Drawing No. 4 Rev. No. 0 Q'ty/ Location Part Name Part No. Remarks Unit Bushing Head JM11201-0 Plate Head Earth JM14105-0 Bracket Head JM14101-0 Guard Head Connector...
  • Page 149 Chapter 5 Parts Lists PARTS LIST for CL-E720DT TITLE: Unit Head Sheet No. 2/2 Drawing No. 4 Rev. No. 0 Q'ty/ Location Part Name Part No. Remarks Unit 4-21 Guide Head Cable JM14212-1 SA HD Earth Wire JM67750-2 Screw BH M3.0x3 (NI) E00530-030WF Screw BH M3.0x4 (NI)
  • Page 150 Chapter 5 Parts Lists CL-E720DT Drawing No. 5 Parts List & Location for Unit PF Revision Up List Sheet No. Rev. No. Date Mar. 20, 2015 Mar. 20, 2015 5-20 CL-E720DT...
  • Page 151 Chapter 5 Parts Lists DRAWING NO. 5 Unit PF (Rev. 0) 5-21 CL-E720DT...
  • Page 152 Chapter 5 Parts Lists PARTS LIST for CL-E720DT TITLE: Unit PF Sheet No. 1/2 Drawing No. 5 Rev. No. 0 Q'ty/ Location Part Name Part No. Remarks Unit SA PF Motor (with Thermistor) PPF80010-0 Plate Motor Bracket PAE00039-0 SA Main Frame L...
  • Page 153 Chapter 5 Parts Lists PARTS LIST for CL-E720DT TITLE: Unit PF Sheet No. 2/2 Drawing No. 5 Rev. No. 0 Q'ty/ Location Part Name Part No. Remarks Unit 5-21 Holder Guide Sensor L JM44207-0 Lever Head Lock JM44203-0 Spring Head Lock...
  • Page 154 Chapter 5 Parts Lists CL-E720DT Drawing No. 6 Parts List & Location for Unit Sensor U Revision Up List Sheet No. Rev. No. Date Mar. 20, 2015 Mar. 20, 2015 5-24 CL-E720DT...
  • Page 155 Chapter 5 Parts Lists DRAWING NO. 6 Unit Sensor U (Rev. 0) 5-25 CL-E720DT...
  • Page 156 Chapter 5 Parts Lists PARTS LIST for CL-E720DT TITLE: Unit Sensor U Sheet No. 1/2 Drawing No. 6 Rev. No. 0 Q'ty/ Location Part Name Part No. Remarks Unit SA Head Up Sensor PCB JM66715-1 SA Head Up Sensor Cable...
  • Page 157 Chapter 5 Parts Lists PARTS LIST for CL-E720DT TITLE: Unit Sensor U Sheet No. 2/2 Drawing No. 6 Rev. No. 0 Q'ty/ Location Part Name Part No. Remarks Unit 6-21 Screw NO.0 TFH (PT4-0.5) M2.0x4 E15920-040WF Screw BH M3.0x6 (NI)
  • Page 158 Chapter 5 Parts Lists CL-E720DT Drawing No. 7 Parts List & Location for Unit Opepane Revision Up List Sheet No. Rev. No. Date Mar. 20, 2015 5-28 CL-E720DT...
  • Page 159 Chapter 5 Parts Lists DRAWING NO. 7 Unit Opepane (Rev. 0) & " 5-29 CL-E720DT...
  • Page 160 Chapter 5 Parts Lists PARTS LIST for CL-E720DT TITLE: Unit Opepane Sheet No. 1/1 Drawing No. 7 Rev. No. 0 Q'ty/ Location Part Name Part No. Remarks Unit Sheet Ope-Pane PRN30010-0 Cover LCD PBA10002-0 Cover Ope-Pane PBA00095-0 Holder Ope-Pane Cover...
  • Page 161 Chapter 5 Parts Lists CL-E720DT Drawing No. 8 Parts List & Location for Accessories Revision Up List Sheet No. Rev. No. Date Mar. 20, 2015 5-31 CL-E720DT...
  • Page 162 Chapter 5 Parts Lists DRAWING NO. 8 Accessories (Rev. 0) 5-32 CL-E720DT...
  • Page 163 Chapter 5 Parts Lists PARTS LIST for CL-E720DT TITLE: Accessories Sheet No. 1/1 Drawing No. 8 Rev. No. 0 Q'ty/ Location Part Name Part No. Remarks Unit 8-1-1 Cord Set CS87-00004605 For CSA -1-2 Cord Set CS87-00004848 For CSE -1-3...
  • Page 164 Chapter 6. Circuit Diagrams HAPTER IRCUIT IAGRAMS CL-E720DT...
  • Page 165 SA Main PCB (11/12) [Power Supply] ..................6-13 SA Main PCB (12/12) [LAN I/F]....................6-14 SA Opepane PCB ........................6-15 SA Relay PCB.......................... 6-16 SA Ref Sensor PCB ......................... 6-17 SA TRA Sen PCB........................6-18 SA Head Up Sensor PCB ......................6-19 CL-E720DT...

  • Page 166: Inter Connection

    Chapter 6. Circuit Diagrams Inter Connection SA PF MOTOR (WITH THERMISTOR) PPF80010-** SA Head (200DPI)S PPM80015-** SA MAIN PCB (200ENG) PPS00152-** SA MAIN PCB (200CHN) PPS00218-** CL-E720DT...

  • Page 167: Sa Main Pcb (1, 2/12) [Cpu (1)]

    I / / / / / / / / / / Title / / / MAIN PCB / CPU (1) (1,2/12) / / / / / / Size Number Revision / / / PPS00152-**, PPS00218-** Date: Sheet File: Drawn By: CL-E720DT...

  • Page 168: Sa Main Pcb (3/12) [Cpu (2)]

    03: GND 04: TCK 05: GND 06: TDO 07: NC 08: TDI 09: GND 10: nRES nRES ( " " ) ARM JTAG Title MAIN PCB / CPU (2) (3/12) Size Number Revision PPS00152-**, PPS00218-** Date: Sheet File: Drawn By: CL-E720DT...

  • Page 169: Sa Main Pcb (4/12) [Rom, Sdram]

    Chapter 6. Circuit Diagrams SA Main PCB (4/12) [ROM, SDRAM] ( " " ) ( " " ) ( " " ) Title MAIN PCB / ROM, SDRAM (4/12) Size Number Revision PPS00152-**, PPS00218-** Date: Sheet File: Drawn By: CL-E720DT...

  • Page 170: Sa Main Pcb (5/12) [Fpga]

    Chapter 6. Circuit Diagrams SA Main PCB (5/12) [FPGA] Rx/Cx -2 1 -2 1 Title MAIN PCB / FPGA (5/12) Size Number Revision PPS00152-**, PPS00218-** Date: Sheet File: Drawn By: CL-E720DT...

  • Page 171: Sa Main Pcb (6/12) [Head, Opepane & Buzzer]

    / 1G / 2G ( " " ) g i l g i l 1 5V 3G 4 Title ( " " ) MAIN PCB / HEAD, OPEPANE, BUZZER (6/12) Size Number Revision PPS00152-**, PPS00218-** Date: Sheet File: Drawn By: CL-E720DT...

  • Page 172: Sa Main Pcb (7/12) [Ribbon, Cutter & Peeler]

    SA Main PCB (7/12) [Ribbon, Cutter & Peeler] Rx/Cx ( " " ) & & *: Unit Ribbon is not used. Title MAIN PCB / RIBBON, CUTTER, PEELER (7/12) Size Number Revision PPS00152-**, PPS00218-** Date: Sheet File: Drawn By: CL-E720DT...

  • Page 173: Sa Main Pcb (8/12) [Pf Motor Drive & Option I/F]

    Chapter 6. Circuit Diagrams SA Main PCB (8/12) [PF Motor Drive & Option I/F] ( " " ) t s i Title MAIN PCB / PF MOTOR DRIVER, OPTION I/F (8/12) Size Number Revision PPS00152-**, PPS00218-** Date: Sheet File: Drawn By: 6-10 CL-E720DT...

  • Page 174: Sa Main Pcb (9/12) [Media Sensors & Head Up Sensor]

    SA Main PCB (9/12) [Media Sensors & Head Up Sensor] ( " " ) ( " " ) ( " " ) Title MAIN PCB / PAPER SENSOR, HEAD UP SENSOR (9/12) Size Number Revision PPS00152-**, PPS00218-** Date: Sheet File: Drawn By: 6-11 CL-E720DT...

  • Page 175: Sa Main Pcb (10/12) [Usb I/F & Dac]

    L →H: 2.67[V](3.56[V]) (L/H: USB connected/disconnected) 100k 100k ( " " ) ( " " ) Title ( " " ) MAIN PCB / USB INF, DAC (10/12) Size Number Revision PPS00152-**, PPS00218-** Date: Sheet File: Drawn By: 6-12 CL-E720DT...

  • Page 176: Sa Main Pcb (11/12) [Power Supply]

    Chapter 6. Circuit Diagrams SA Main PCB (11/12) [Power Supply] 100k Title MAIN PCB / POWER (11/12) Size Number Revision PPS00152-**, PPS00218-** Date: Sheet File: Drawn By: 6-13 CL-E720DT...

  • Page 177: Sa Main Pcb (12/12) [Lan I/F]

    Chapter 6. Circuit Diagrams SA Main PCB (12/12) [LAN I/F] 5 7 5 7 Title MAIN PCB / LAN INF (12/12) Size Number Revision PPS00152-**, PPS00218-** Date: Sheet File: Drawn By: 6-14 CL-E720DT...

  • Page 178: Sa Opepane Pcb

    Chapter 6. Circuit Diagrams SA Opepane PCB g i l Title OPEPANE PCB Size Number Revision PPS00157-00 Date: Sheet File: Drawn By: 6-15 CL-E720DT...

  • Page 179: Sa Relay Pcb

    Chapter 6. Circuit Diagrams SA Relay PCB *: Unit Ribbon is not used. Title RELAY PCB Size Number Revision PPS00158-00 Date: Sheet File: Drawn By: 6-16 CL-E720DT...

  • Page 180: Sa Ref Sensor Pcb

    Chapter 6. Circuit Diagrams SA Ref Sensor PCB V3R3 CN501 D501 D502 TR501 GL100MN0MP GL100MN0MP PT100MC0MP CHP1505-0101 Title REFLECTIVE SENSOR PCB Size Number Revision JM66730-** Date: Sheet File: Drawn By: 6-17 CL-E720DT...

  • Page 181: Sa Tra Sen Pcb

    Chapter 6. Circuit Diagrams SA TRA Sen PCB V3R3 CN401 TR401 PT4800F6 03FMS-1.0SP-TF Title TRANSPARENT SENSOR PCB Size Number Revision JM66725-** Date: Sheet File: Drawn By: 6-18 CL-E720DT...

  • Page 182: Sa Head Up Sensor Pcb

    Chapter 6. Circuit Diagrams SA Head Up Sensor PCB CN201 C201 C202 PI201 1000p 1000p SG-278 S3B-PH-K-S Title HEAD UP SENSOR PCB Size Number Revision JM66715-** Date: Sheet File: Drawn By: 6-19 CL-E720DT...
  • Page 183 Appendices PPENDICES AP-1 CL-E720DT...
  • Page 184 A-1. SA Main PCB ......................AP-3 A-2. SA Opepane PCB ....................AP-5 A-3. SA Relay PCB......................AP-5 A-4. SA Ref Sensor PCB....................AP-5 A-5. SA TRA Sen PCB ....................AP-5 A-6. SA Head Up Sensor PCB ..................AP-6 AP-2 CL-E720DT...

  • Page 185: Mounting Diagrams

    Appendices A. Mounting Diagrams Mounting Diagrams A-1. SA Main PCB (1) Parts side AP-3 CL-E720DT...
  • Page 186 Appendices A. Mounting Diagrams (2) Solder side AP-4 CL-E720DT...

  • Page 187: A-2. Sa Opepane Pcb

    Appendices A. Mounting Diagrams A-2. SA Opepane PCB (1) Parts side (2) Solder side A-3. SA Relay PCB A-4. SA Ref Sensor PCB D501 D502 CN501 A-5. SA TRA Sen PCB CN401 TR401 AP-5 CL-E720DT...

  • Page 188: A-6. Sa Head Up Sensor Pcb

    Appendices A. Mounting Diagrams A-6. SA Head Up Sensor PCB (1) Parts side (2) Solder side C201 PI201 CN201 C202 AP-6 CL-E720DT...
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