Epson RP-U420 Series Specification
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Epson RP-U420 Series Specification

Two-station printer
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Confidential
RP-U420 series
Rev. No.
Notes
Copied Date
Copied by
SEIKO EPSON CORPORATION
MATSUMOTO MINAMI PLANT
2070 KOTOBUKI KOAKA, MATSUMOTO-SHI, NAGANO, 399-8702 JAPAN
PHONE(0263)86-5353 FAX(0263)86-9923
Two-Station Printer
Specification
STANDARD
B
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  • Page 1 Confidential Two-Station Printer RP-U420 series Specification STANDARD Rev. No. Notes Copied Date Copied by SEIKO EPSON CORPORATION MATSUMOTO MINAMI PLANT 2070 KOTOBUKI KOAKA, MATSUMOTO-SHI, NAGANO, 399-8702 JAPAN PHONE(0263)86-5353 FAX(0263)86-9923...
  • Page 2 Before reading this specification, be sure you have the correct version of each page. Revisions Design Section Sheet Rev. No. Rev. Document Sheet Rev. Sheet Rev. Sheet Rev. Enactment Matsumoto Kanai Change TITLE Front Part RP-U420 series Rev. General Table of Descriptions Cover Sheet Scope Contents Contents Appendix Total Specification (STANDARD)
  • Page 3 Revisions Design Section Sheet Rev. No. Rev. Document Sheet Rev. Sheet Rev. Sheet Rev. Enactment Change App.1 App.2 App.3 App.4 App.5 TITLE Front Part RP-U420 series Rev. General Table of Descriptions Cover Sheet Scope Contents Contents Appendix Total Specification (STANDARD)
  • Page 4 ESC z [Format] Decimal 112 → 122 [Default] n = 1 (added) FS & and FS . [Default] (added) [Description] (changed) GS I (added) 63, 64 GS V [Function] (changed) 66 - 69 DLE EOT (added) TITLE RP-U420 series Specification (STANDARD)
  • Page 5 2. On the earlier of (a) termination of your relationship with Seiko Epson, or (b) Seiko Epson's request, you must stop using the confidential information. You must then return or destroy the information, as directed by Seiko Epson.
  • Page 6 Confidential Features This printer is a two-station printer that is light and offers excellent reliability, The design of this printer also emphasizes the needs of the user. The printer has the following features: • High-speed printing, light weight, one line validation, and low-noise operation •...

  • Page 7: Table Of Contents

    Confidential Table of Contents I. BASIC SPECIFICATIONS ........................1 1.1 Printing Specifications ........................1 1.2 Character Specifications ....................... 1 1.3 Roll Paper Supply Unit ........................1 1.4 Takeup Device ..........................2 1.5 Paper and Paper Feed Specifications................... 2 1.5.1 Paper feed ..........................2 1.5.2 Paper specifications......................
  • Page 8 Confidential 3.7 Hexadecimal Dump........................42 3.8 Paper Detectors .......................... 43 3.9 Buffer-full Printing........................43 4. CASE SPECIFICATIONS ........................44 4.1 External Dimensions and Mass....................44 4.2 Color............................44 4.3 External Appearance........................44 5. ACCESSORIES AND OPTIONS ....................... 45 5.1 Standard Accessories ......................... 45 5.2 Options ............................

  • Page 9: Basic Specifications

    Near-end detectors for journal and receipt are standard. Detection method: By mechanical microswitch Paper roll near-end detection is adjustable. Refer to Appendix B for instructions on adjusting the near-end detector location. SHEET TITLE RP-U420 series REVISION EPSON Specification NEXT SHEET (STANDARD)

  • Page 10: Takeup Device

    Command Description GS V ) 2) If the Taiwan mode is set with the DIP SW 1-8, paper is cut automatically when PF or FF command is executed. (refer 3.3.4 ∗1)) SHEET TITLE RP-U420 series REVISION EPSON Specification NEXT SHEET...

  • Page 11: Stamp

    • When the DLE ENQ command is executed. • When the ESC @ command is executed. • When the self-test is executed (See Section 3.6, Self-test). • When the hexadecimal dump is executed (See Section 3.7, Hexadecimal Dump). SHEET TITLE RP-U420 series REVISION EPSON Specification NEXT SHEET...

  • Page 12: Ribbon Cassette

    Confidential 1.9 Ribbon Cassette The ribbon is fed automatically when the motor runs. Type: EPSON ERC-32(P) Use of a ribbon cassette other than the specified type can degrade printer performance and reduce reliability and life expectancy. Color: Purple(single-color) Ribbon life: 6,000,000 characters (24 VDC, 25°C, energizing width, 7 ×...
  • Page 13 Figure 1.10.1 Printing Area Printable area: 84.5 mm 10 mm 22 mm 8 mm Validation sensor pulse 2 mm Note : Dimension for using 7 × 9 (2 position space)font characters Figure 1.10.2 SHEET TITLE RP-U420 series REVISION EPSON Specification NEXT SHEET (STANDARD)
  • Page 14 4.23 mm {1/6”}. • For the cut position by an emergency cutter, refer to Figure 1.10.1. [Units: mm] Figure 1.10.3 SHEET TITLE RP-U420 series REVISION EPSON Specification NEXT SHEET (STANDARD)

  • Page 15: Receive Buffer

    Confidential 1.11 Receive Buffer 4 KB 1.12 Electrical Specifications 1) Use EPSON PS-170 24 V ± 5% 2) Voltage: 3) Current consumption (at 25°C): During operation: Mean: Approximately 0.75A (α -N 24 columns printing) Standby: Mean: Approximately 0.12A 1.13 Applicable Standards...
  • Page 16 X, Y and Z 4) Impact resistance While not packed: Height: 5 cm Directions 4 sides, supported on one side While packed: Height: 80 cm Directions 1 corner, 3 edges, 6 sides SHEET TITLE RP-U420 series REVISION EPSON Specification NEXT SHEET (STANDARD)

  • Page 17: Configuration

    4) After the time when the paper loading is completed, using DLE ENQ 1 or DLE ENQ 2 command. The receipt/journal paper out (PAPER OUT) LEDs are off after the paper loading is completed. SHEET TITLE RP-U420 series REVISION EPSON Specification...
  • Page 18 *1 • The period from when the remaining space in the receive buffer drops to 256 bytes until it increases to 1000 bytes is called the "buffer full state." • Data received when the remaining space in the receive buffer is zero bytes is ignored. SHEET TITLE RP-U420 series REVISION EPSON Specification NEXT...
  • Page 19 • When connecting the printer to a DCE (DCE: Data Circuit Terminating Equipment), set the handshaking so that the transmitted data can be received. • Transmit data to the printer after turning on the power and initializing the printer. SHEET TITLE RP-U420 series REVISION EPSON Specification NEXT...
  • Page 20 -15 to + 0.8 V Input HIGH level current I IH 5 mA (maximum) 1 mA (maximum) Input LOW level current I IL -5.3 mA (maximum) -2 mA (maximum) Input impedance 3 kΩ (minimum) SHEET TITLE RP-U420 series REVISION EPSON Specification NEXT SHEET (STANDARD)

  • Page 21: Ieee 1284 Bidirectional Parallel Interface (Parallel Interface Specifications)

    Connector: 57RE-40360-830B (DDK) or equivalent (IEEE 1284 Type B) Reverse communication (Printer Host): Nibble or Byte Mode NOTE: The letter "n" in front of a signal name indicates active LOW. SHEET TITLE RP-U420 series REVISION EPSON Specification NEXT SHEET (STANDARD)
  • Page 22 (a Nibble). In the Byte Mode, data transmissions proceed by making the eight-bits data lines bidirectional. Both modes fail to proceed concurrently in the Compatibility Mode, thereby causing half duplex transmission. SHEET TITLE RP-U420 series REVISION EPSON Specification NEXT SHEET...
  • Page 23 3. Interfacing conditions shall be all based on the TTL level to meet the characteristics described below. In addition, both rise time and fall time of each signal shall be 0.5µs or less. SHEET TITLE RP-U420 series REVISION EPSON Specification NEXT...
  • Page 24 Output HIGH current 0.32 mA VOH=2.4V Output LOW current - ** While the power is OFF ** No guarantee is offered to V and I while the power is OFF. SHEET TITLE RP-U420 series REVISION EPSON Specification NEXT SHEET (STANDARD)
  • Page 25 ∞ BUSY Release Time tnBUSY ACK Cycle Idle Time tNEXT *The printer latches data at the nStrobe ↓ timing NOTE: The letter "n" before a signal name indicates active LOW. SHEET TITLE RP-U420 series REVISION EPSON Specification NEXT SHEET (STANDARD)
  • Page 26 1) Allowable capacity of the printer internal buffer is 99 bytes. The status signals exceeding this capacity will be discarded. To prevent possible loss of status, the host shall be ready for data acceptance (Reverse Mode). SHEET TITLE RP-U420 series REVISION EPSON Specification NEXT...

  • Page 27: Connectors

    2.2.2 Power supply connector This connector is used to connect the printer to an external power source. 1) Pin assignments: Pin Number Signal Name + Power source Shell Figure 2.2.3 Power Supply Connector SHEET TITLE RP-U420 series REVISION EPSON Specification NEXT SHEET (STANDARD)

  • Page 28: Drawer Kick-Out Connector (Modular Connector)

    Outputs the waveforms in Figure 2.2.5 to points A and B in Figure 2.2.6. (The ESC p command specifies ON time t1 and OFF time t2.) t1 × 2 ms t2 × 2 ms Figure 2.2.5 Drawer Kick-out Drive Signal SHEET TITLE RP-U420 series REVISION EPSON Specification NEXT SHEET (STANDARD)
  • Page 29 4. The resistance of the drawer kick-out solenoid must not be less than that specified (24 Ω). Otherwise, an overcurrent could damage the solenoid. 5. Refer to Appendix E for notes on using the drawer kick-out connector. SHEET TITLE RP-U420 series REVISION EPSON Specification NEXT...

  • Page 30: Functions

    ¡ GS V Cut paper ¡ Transmit status GS r ¡ Real-time status transmission DLE EOT ¡ Real-time request to printer DLE ENQ ¡ DLE DC4 Generate pulse at real-time SHEET TITLE RP-U420 series REVISION EPSON Specification NEXT SHEET (STANDARD)
  • Page 31 Sets the printer's operational conditions. The printer status is retained by flag, and the command affects the following data. ¡ marks in the table above show whether the command is an execution or setting command. SHEET TITLE RP-U420 series REVISION EPSON Specification NEXT...

  • Page 32: Character Code Tables

    Confidential 3.2 Character Code Tables 3.2.1 Page 0 (PC437: U.S.A. Standard Europe) (International character set: U.S.A.) NOTE: The actual print patterns differ from those in the above character code SHEET TITLE RP-U420 series REVISION EPSON Specification NEXT SHEET (STANDARD)

  • Page 33: Katakana)

    Confidential 3.2.2 Page 1 (Katakana) SHEET TITLE RP-U420 series REVISION EPSON Specification NEXT SHEET (STANDARD)

  • Page 34: Pc850: Multilingual)

    Confidential 3.2.3 Page 2 (PC850: Multilingual) SHEET TITLE RP-U420 series REVISION EPSON Specification NEXT SHEET (STANDARD)

  • Page 35: Pc860: Portuguese)

    Confidential 3.2.4 Page 3 (PC860: Portuguese) SHEET TITLE RP-U420 series REVISION EPSON Specification NEXT SHEET (STANDARD)

  • Page 36: Pc863: Canadian-French)

    Confidential 3.2.5 Page 4 (PC863: Canadian-French) SHEET TITLE RP-U420 series REVISION EPSON Specification NEXT SHEET (STANDARD)

  • Page 37: Pc865: Nordic)

    Confidential 3.2.6 Page 5 (PC865: Nordic) SHEET TITLE RP-U420 series REVISION EPSON Specification NEXT SHEET (STANDARD)

  • Page 38: Wpc1252)

    Confidential 3.2.7 Page 16 (WPC1252) SHEET TITLE RP-U420 series REVISION EPSON Specification NEXT SHEET (STANDARD)

  • Page 39: Pc866: Cyrillic #2)

    Confidential 3.2.8 Page 17 (PC866: Cyrillic #2) SHEET TITLE RP-U420 series REVISION EPSON Specification NEXT SHEET (STANDARD)

  • Page 40: Pc852: Latin 2)

    Confidential 3.2.9 Page 18 (PC852: Latin 2) SHEET TITLE RP-U420 series REVISION EPSON Specification NEXT SHEET (STANDARD)

  • Page 41: Pc858: Euro)

    Confidential 3.2.10 Page 19 (PC858: Euro) SHEET TITLE RP-U420 series REVISION EPSON Specification NEXT SHEET (STANDARD)

  • Page 42: Pc857: Latin 5)

    Confidential 3.2.11 Page 254 (PC857: Latin 5) SHEET TITLE RP-U420 series REVISION EPSON Specification NEXT SHEET (STANDARD)

  • Page 43: Space Page)

    Confidential 3.2.12 Page 255 (Space Page) SHEET TITLE RP-U420 series REVISION EPSON Specification NEXT SHEET (STANDARD)

  • Page 44: Switches And Buttons

    Function Pin 25 reset signal Used Not used Pin 6 reset signal Used Not used Buzzer Enabled Disabled Reserved Fixed to Off. Download mode Enabled Disabled Reserved Fixed to Off. SHEET TITLE RP-U420 series REVISION EPSON Specification NEXT SHEET (STANDARD)
  • Page 45 Printer mode which is used except for Taiwan market FF command: Ignored in this mode. *3) Printing for paper without the preprint black mark must be set to the DIP SW1-8 to Off (standard mode). SHEET TITLE RP-U420 series REVISION EPSON Specification NEXT SHEET (STANDARD)

  • Page 46: Panel Led Indicators

    3) Error (ERROR) LED: Red Offline (except during paper feeding using the paper feed button and during the self- test). Blinking: Error state. (See Section 3.5, Error Processing) OFF: Normal operation. SHEET TITLE RP-U420 series REVISION EPSON Specification NEXT SHEET (STANDARD)

  • Page 47: Error Processing

    Mark sensor Mark sensor signal or Recovers using (5 short beeps) error mark sensor circuit DLE ENQ 1 or approx.160ms error, in DIP SW1-8 DLE ENQ 2. 660ms ON condition 160ms SHEET TITLE RP-U420 series REVISION EPSON Specification NEXT SHEET (STANDARD)

  • Page 48: Operation When An Error Is Detected

    • Transmits XOFF if XON/XOFF control is selected. <Parallel interface model> • Stops all mechanical operations. • Sets the Busy signal to HIGH. • Blinks the ERROR LED. • Sets the nFault signal to LOW. SHEET TITLE RP-U420 series REVISION EPSON Specification NEXT SHEET (STANDARD)

  • Page 49: Self-Test

    Press the receipt paper feed button in this state to start test printing. 3) Ending the self-test After a number of lines are printed, the printer indicates the end of self-test by printing "***completed***," performs initialization, and then goes to normal mode. SHEET TITLE RP-U420 series REVISION EPSON Specification NEXT SHEET...

  • Page 50: Hexadecimal Dump

    < Example printing > Hexadecimal Dump To terminate hexadecimal dump, press R-FEED button three times. 1B 40 1B 21 30 41 42 43 44 45 46 47 0A D E F *** completed*** SHEET TITLE RP-U420 series REVISION EPSON Specification NEXT SHEET (STANDARD)

  • Page 51: Paper Detectors

    3.9 Buffer-full Printing When subsequent data is received after the printer processes one line of data in the print buffer, the printer automatically prints the processed line and feeds the paper by one line. SHEET TITLE RP-U420 series REVISION EPSON Specification NEXT...

  • Page 52: Case Specifications

    4. CASE SPECIFICATIONS 4.1 External Dimensions and Mass 167(W) × 262(D) × 196(H) (mm) 1) Dimension: 2) Mass: Approximately 2.8 kg 4.2 Color Epson cool white 4.3 External Appearance [Units: mm (inch)] Figure 4.3.1 External Appearance SHEET TITLE RP-U420 series...

  • Page 53: Accessories And Options

    • Power switch cover 5.2 Options • AC adapter PS-170 (sold separately) • Stamp frame 5.3 Interface Board • IEEE 1284 compatible interface board (Bidirectional parallel) ..Option • RS-232 compatible interface board ..........Option SHEET TITLE RP-U420 series REVISION EPSON Specification NEXT SHEET (STANDARD)

  • Page 54: Commands

    The maximum range within which printing is possible under the printer specifications. printable area for this printer is 84.5 mm. 6) Ignore The state in which all codes, including parameters, are read in and discarded, and nothing happens. SHEET TITLE RP-U420 series REVISION EPSON Specification NEXT SHEET...

  • Page 55: Command Descriptions

    The paper is fed when the paper is not presented on the print starting position, or when the mark sensor does not detect the marked portion. SHEET TITLE RP-U420 series REVISION EPSON Specification NEXT...

  • Page 56: Esc ! N

    • If the underline is added to the characters to be printed, the lowest bit of the characters [Note] overlaps the underline. Therefore, this may cause a difficulty in reading. Give this in consideration when the underline is added. [Default] n = 0 SHEET TITLE RP-U420 series REVISION EPSON Specification NEXT SHEET (STANDARD)

  • Page 57: Esc % N

    • Only the most significant bit of the second data byte in the vertical direction can be printed. • Independent user-defined character definitions are possible for the fonts if the character pattern is different in the international character sets. SHEET TITLE RP-U420 series REVISION EPSON Specification NEXT SHEET...
  • Page 58 The corresponding bit is 1 when printing and 0 when not printing. • If the ESC R n is executed, the user-defined characters which have been already [Note] defined are canceled. SHEET TITLE RP-U420 series REVISION EPSON Specification NEXT SHEET...

  • Page 59: Esc ∗ M Nl Nh D1

    • "Dot density in the vertical direction" indicates the dot density in the paper feeding direction, and "Dot density in the horizontal direction" indicates the direction perpendicular to the paper feeding direction. • The bit-image data is developed, based on the current print position. SHEET TITLE RP-U420 series REVISION EPSON Specification NEXT SHEET...
  • Page 60 • The relationship between the image data and the dots to be printed is as follows: [Example] Bit image data TOP HEAD1¡ HEAD2¡ HEAD3¡ HEAD4¡ HEAD5¡ HEAD6¡ HEAD7¡ HEAD8¡ Bottom HEAD9¡ Print data d17..d18..SHEET TITLE RP-U420 series REVISION EPSON Specification NEXT SHEET (STANDARD)

  • Page 61: Esc

    [Description] • If a user-defined character has not been defined for the specified character code, the printer ignores this command. • After the user-defined character is canceled, the corresponding pattern for the internal character is printed. SHEET TITLE RP-U420 series REVISION EPSON Specification NEXT SHEET...

  • Page 62: Esc

    é ü í ñ ó ú 13 Korea ¦ • If the ESC R n is executed, the user-defined characters which are defined with the ESC [Note] & are canceled. SHEET TITLE RP-U420 series REVISION EPSON Specification NEXT SHEET (STANDARD)

  • Page 63: Esc C 0 N

    • When validation is set from enabled to disabled, the printer waits for removal of the validation sheet. • When the printer receives DLE ENQ3 during validation waiting state, printing sheet will return to default ( n =3). SHEET TITLE RP-U420 series REVISION EPSON Specification NEXT SHEET...

  • Page 64: Esc C 3 N

    [Description] • The command is available only with a parallel interface and is ignored with a serial interface. • When all the sensors are disabled, the paper end signal always outputs a paper present status. SHEET TITLE RP-U420 series REVISION EPSON Specification NEXT SHEET...

  • Page 65: Esc C 4 N

    • When the receipt/journal feed buttons are disabled, no buttons on the receipt/journal feed are usable, except in the following case: • Paper feed button is enabled when the cover is opened. SHEET TITLE RP-U420 series REVISION EPSON Specification NEXT SHEET...

  • Page 66: Esc D N

    Executes a stamp operation on the receipt. [Description] • This command is enabled only when processed at the beginning of a line. • If a receipt is not selected as the paper source, this command is ignored. SHEET TITLE RP-U420 series REVISION EPSON Specification NEXT...

  • Page 67: Esc P M T1 T2

    PC437 (U.S.A., Standard Europe) Katakana PC850 (Multilingual) PC860 (Portuguese) PC863 (Canadian-French) PC865 (Nordic) WPC1252 PC866 (Cyrillic2) PC852 (Latin 2) PC858 (Euro) PC857 (Latin 5) Space page [Reference] 3.2 Character code tables SHEET TITLE RP-U420 series REVISION EPSON Specification NEXT SHEET (STANDARD)

  • Page 68: Esc Z N

    • When buffer full is processed at the end of the printing area on the receipt. (The data that causes the buffer full is printed on the first column of the journal.) SHEET TITLE RP-U420 series REVISION EPSON Specification NEXT...
  • Page 69 [Description] • When the Kanji character mode is not selected, all character codes are processed one byte at a time as ASCII code. • Kanji character mode is initialized to default when the power is turned on, when ESC @ is executed. [Reference] FS & SHEET TITLE RP-U420 series REVISION EPSON Specification NEXT SHEET (STANDARD)

  • Page 70: Gs I N

    Firmware version ID Depends on firmware version. Example) <02>H Firmware version Depends on firmware version. Example) <5F>H, “1.28”, <00>H Manufacturer <5F>H, “EPSON”, <00>H Model name <5F>H, “RP-U420”, <00>H Supporting Kanji type <5F>H, “TAIWAN BIG5 ”, <00>H n = 2 : Type ID...

  • Page 71: Gs V M Gs V M N

    Only feed paper to the cutting Only feed paper to the preprint position. black mark position. • n specifies the paper feeding amount before cutting a paper. SHEET TITLE RP-U420 series REVISION EPSON Specification NEXT SHEET (STANDARD)
  • Page 72 • When n ≠ 0, the printer feeds the paper to (cutting position + ( n × 4.23mm)), and cuts it. • In standard mode, the paper is fed with the continuous paper feeding mode for the first 30 lines. SHEET TITLE RP-U420 series REVISION EPSON Specification NEXT...

  • Page 73: Gs R N

    Drawer kick-out connector status ( n = 2, 50) Off/On Decimal Function Drawer kick-out connector pin 3 is LOW. Drawer kick-out connector pin 3 is HIGH. 1,2,3 Off Reserved. Fixed. Reserved. Fixed. SHEET TITLE RP-U420 series REVISION EPSON Specification NEXT SHEET (STANDARD)

  • Page 74: Dle Eot N

    One of panel switch is pressed. Not used. Fixed to Off. Bit 6: Even if panel switch is disabled by ESC c 5, bit6 becomes “On” during one of panel switch is pressed. SHEET TITLE RP-U420 series REVISION EPSON Specification NEXT SHEET (STANDARD)
  • Page 75 This bit becomes “On” when home position detecting error or main motor lock- up error is occurs. Bit 7: When serial interface model and 7 bit data word length selected, this bit can not be transferred to the host. SHEET TITLE RP-U420 series REVISION EPSON Specification NEXT SHEET (STANDARD)
  • Page 76 • The status is transmitted whenever the data sequence of <10>H <04>H < n > [Notes] (1 ≤ n ≤ 4 or 6) is received. Example: In ESC ∗ m n d1...dk , d1 =<10>H, d2 =<04>H, d3 =<01>H SHEET TITLE RP-U420 series REVISION EPSON Specification NEXT SHEET (STANDARD)
  • Page 77 This command is executed even when the printer is off-line or there is an error status when DIP switch 1-6 is on with a parallel interface model. [Reference] DLE ENQ , GS r SHEET TITLE RP-U420 series REVISION EPSON Specification NEXT...
  • Page 78 • When the cut sheet waiting state canceled by DEL ENQ 3 , the data in the receive and print buffers is cleared. • DLE ENQ 1 and DLE ENQ 2 are enabled, even if the printer is canceled by ESC = . SHEET TITLE RP-U420 series REVISION EPSON Specification NEXT...

  • Page 79: Dle Enq N

    • If printer receives this command during outputting pulse required by ESC p or DLE DC4 to another connector pin, this command will be queued and executed afterwards. [Refer] ESC p SHEET TITLE RP-U420 series REVISION EPSON Specification NEXT SHEET (STANDARD) App.1...

  • Page 80: Appendix A. Miscellaneous Notes

    If the ESC d n or the GS V m n is used effectively, the printer can print the receipt faster. 5) Other Because plated steel plate is used in this unit, the cut edges may get rusty. SHEET TITLE RP-U420 series REVISION EPSON Specification NEXT...

  • Page 81: Appendix B. Adjusting The Paper Roll Near-End Sensor Location

    3. Be sure that the adjustable slider operates smoothly after finishing the adjustment. 4. If the paper on the paper roll becomes loose due to the paper quality, the paper roll near- end sensor may operate incorrectly. SHEET TITLE RP-U420 series REVISION EPSON Specification NEXT...

  • Page 82: Appendix C. Using The Release Levers

    Remember to reinsert the take-up shaft in the take-up frame. Open Release lever Close Receipt side Open Release lever Close Journal side Figure C-1. Release Levers SHEET TITLE RP-U420 series REVISION EPSON Specification NEXT SHEET (STANDARD) App.4 App.3...

  • Page 83: Appendix D. Inserting The Validation Paper

    Figure D-1. Validation Paper Insertion NOTE: A Validation detector is standard equipment. The detected portion of the validation paper as shown in Figure 1.10.2 must not include any holes or torn portions. SHEET TITLE RP-U420 series REVISION EPSON Specification NEXT...

  • Page 84: Appendix E. Notes On Using The Drawer Kick-Out Connector

    OFF time ON time ON time ≤ 0.2 ON time + OFF time or, OFF time ≥ ON time × 4 SHEET TITLE RP-U420 series REVISION EPSON Specification NEXT SHEET (STANDARD) App.6 App.5...

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