Epson 420i manuals
Computer Equipment > Printer
When we buy new device such as Epson 420i we often through away most of the documentation but the warranty.
Very often issues with Epson 420i begin only after the warranty period ends and you may want to find how to repair it or just do some service work.
Even oftener it is hard to remember what does each function in Printer Epson 420i is responsible for and what options to choose for expected result.
Fortunately you can find all manuals for Printer on our side using links below.
85 pages 2.03 Mb
2 HIGH SPEED BUSINESS PRINTER3 WARNING:•Reorient the receiving antenna •Relocate the computer with respect to the receiver •Move the computer away from the receiver “How to Identify and Resolve Radio-TVInterference Problems.” Copyright© 1985 by Epson America, Inc., Torrance, California 4 INTRODUCTION5 PRECAUTIONS FOR USE6 CONTENTS7 OUTLINE10 SWITCHES AND LAMPS11 8.RESET Switch9.POWER Lamp (Green) Lights up when power is on. Blinks if an error has been generated 10. ON-LINELamp (Green) 11. P. EMPTY Lamp (Red) 12 RIBBON CASSETTE REPLACEMENT15 PAPER SETTING19 MAIN FUNCTIONS24 PARALLEL INTERFACE25 (a)While performing initialization operations(a) (b)While the printer is inputting data with the STROBE signal (b) (c)During self test printing (d) When the printer is in the 4)the ON-LINEswitch is pressed.) * ACK * P.EMP This signal goes HIGH when the printer is out of paper * ERROR (a)If the circuit component’s temperature increases to an abnormal level (b)If the right overrun switch is activated If current flows through a pin of the printhead when printing is not required (d) If the home sensor is not operating properly, during initialization operations (e)If the RAM error is detected, while performing initialization operations The sequence of events when an error occurs are as follows: (a)POWER lamp blinks (b)ERROR signal goes LOW (c)BUSY signal goes HIGH (d)Buzzer is sounded (e)Power for motion is turned off to terminate operations (e) To terminate the error condition: (a)Turn the power switch OFF and then ON again (b)Input the INITIAL signal (c)Press the RESET switch 1. Signal Levels All signals are TTL level Measured at the input pins on the printer 26 2.Input / Output Conditions3. Signal Cable Length 27 (a) Data input(b) Initialization 28 SERIAL INTERFACE29 1. Printer Input Signals2. Output Signals from the Printer 30 1. Signal LevelSpace +3V ~ +15V Mark -3V~-15V 2. Input/Output Conditions • Input signal •Output signal 1. READY/BUSY Protocol 2. X-ON /X-OFFProtocol the TR line. The data format is the same as the input data structure 31 3. ETXlACK ProtocolThe following four baud rates are selected by DIP switches SW1 SW1-7 No parity Odd parity Even parity Note: All DIP switch selections should be performed with the power OFF 32 DIP SWITCH SETTING34 * Skip-overPerforation SelectionSkip Perforation Skip-overperforation * Operating Mode Selection Printer Mode Select operating mode Epson Printer IBM Graphics Printer * International Character Set Selection Note: Switch 2-8is not used 35 International Characters36 CODE TABLE39 CONTROL CODE SUMMARY43 PRINT MODE FLOWCHART44 CONTROL CODE EXPLANATION45 6. (1B, 50)H (27, 80)D, (9B, D0)H (155, 208)D7. (1B, 4D)H (27, 77)D, (9B, CD)H (155, 205)D 8. (0F)H (15)D, (8F)H (143)D 9.(1B, 0F)H (27, 15)D, (9B, 8F)H (155, 143)D 10. (1B, 70, n)H (27, 112, n)D, (9B, F0, n)H (155, 240, n)D 11. (12)H (18)D, (92)H (146)D 12.(1B, 53,00)H (27,83,0)D, (9B,D3,OO)H (155,211,0)D 13.(1B, 53,01)H (27, 83, 1)D, (9B,D3,01)H (155,211,1)D 14. (1B, 54)H (27, 84)D, (9B, D4)H (155, 212)D 46 15. (1B, 21, n)H (27, 33, n)FStyle Value Pica Elite Proportional Compressed Emphasized Double-Strike Enlarged Underlined Double-strike n 16.(1B, 45)H (27, 69)D, (9B, C5)H (155, 197)D This code selects the bold print mode 17. (1B, 46)H (27, 70)D, (9B, C6)H (155, 198)D This code terminates the bold print mode 18. (1B, 47)H (27, 71)D, (9B, C7)H (155, 199)D 47 19. (1B, 48)H (27, 72)D, (9B, C8)H (155, 200)DThis code terminates double-strikemode 20.(1B, 58, n)H (27, 88, n)D, (98, D8, n)H (155, 216, n)D This code selects high quality (correspondence) print mode n = (01)H or (31)H Selects high quality print mode n = (00)H or (30)H Terminates high quality print mode This code is valid only in standard pica and standard elite print modes 21. (1B, 78, n)H (27,120,n)D This code selects correspondence quality print (n = 1) or draft print (n = 0) 22. (1B, 34)H (27, 52)D, (9B, B4)H (155, 180)D This code selects italic print mode 23. (1B, 35)H (27, 53)D, (9B, B5)H (155, 181)D This code terminates italic print mode 24.(1B,36)H (27,54)D (IBM mode only) 25.(1B,37)H (27,55)D (IBM mode only) 26.(0E)H (14)D, (8E)H (142)D This command is terminated by a linefeed 27. (1B, 0E)H (27, 14)D, (9B, 8E)H (155, 142)D Same as thecode 48 28. (14)H (20)D, (94)H (148)DThis code terminates the double-widthprint mode 29. (1B, 57, n)H (27, 87, n)D, (9B, D7, n)H (155, 215, n)D n = (01) or (31) Selects double-widthprint mode n = (00) or (30) Do not select 7-bitmode in graphic printing 30. (1B, 4B, n1, n2)H (27, 75, n1, n2)D (9B, CB, n1, n2)H (155, 203, n1, n2)D The relationship between graphic data and printed dots is shown below 31.(1B, 4C, n1, n2)H (27, 76, n1, n2)D, (9B, CC, n1, n2)H (155, 204, n1, n2)D same as thecode 49 32.(1B, 6B, n1, n2)H (27,107, n1, n2)D, (9B, EB, n1, n2)H (155, 235, n1, n2)D33. (1B, 2A, 6D, n1, n2)H (27, 42, 109, n1, n2)D 34. (1B, 59, n1, n2)H (27, 89, n1, n2)D 50 35.(1B, 5A, n1, n2)H (27, 90, n1, n2)D36.(1B, 44, n1, n2, .... nk, 00)H (27, 68, n1, n2 . . . nk, 0)D, (9B, C4, n1, n2, .... nk, 00)H, (155, 196, n1, n2, .... nk, 0)D l [ k n ranges Condensed Standard character 1 [ n 37. (09)H (9)D, (89)H (137)D This code causes a move to the next horizontal tab position 36.(1B, 51, n)H (27, 81, n)D, (9B, D1, n)H (155, 209, n)D 51 39. (1B, 6C, n)H (27,108, n)D, (9B, EC, n)H (155, 236, n)DIf the left and right margins overlap, the one input first is considered valid The length of the page at power-onis selected by the FORM switch 40.(1B, 43, n)H (27, 67, n)D, (9B, C3, n)H (155, 195, n)D 1 n [ 127. If n [ 128, this is ignored 41.(1B, 43, 00, n)H (27, 67, 0, n)D, (9B, C3, 00, n)H (155 195, 0, n)D 42. (1B, 42, n1, n2, .... nk, 00)H (27, 66, n1 first. The code sequence ends with the code A vertical tab is also automatically set at the head of the page (1B, 62, m, n1, n2, .... nk, 00)H (27, 98 .... nk, 0)D 52 44. (1B, 2F, m)H (27, 47, m)D, (9B, AF, m)H (155, 175, m)Dset by are used. The 45. (1B, 30)H (27, 48)D, (9B, B0)H (155, 176)D This code sets the line-feedpitch to 1/8 inch 46. (1B, 31)H (27, 49)D, (9B, B1)H (155, 177)D This code sets the line-feedpitch to 7/60 inch 47. (1B, 33)H (27, 50)D 48. (1B, 33, n)H (27, 51, n)D, (9B, B3, n)H (155, 179, n)D This code sets the line-feedpitch to n/180 inch 49. (1B, 41, n)H (27, 46, n)D In the Epson Printer mode, this command sets the line spacing to n/60 inch 50. (1B, 2E)H (27, 46, n)D 51.(1B, 2D, n)H (27, 45, n)D, (9B, AD, n)H (155, 173, n)D This code performs the setting and termination of underlining n = (01)H or (31)H Sets underline n = (00)H or (30)H 53 52. (18)H (24)D, (98)H (152)D53. (08)H (08)D, (88)H (136)D (1B, 3D)H (27, 61)D (Epson mode only) (1B, 3E)H (27, 62)D (Epson mode only) (1B, 23)H (27, 35)D (Epson mode only) 57.(1B, 4E, n)H (27, 78, n)D, (9B, CE, n)H (155, 206, n)D 58. (1B, 4F)H (27, 79)D, (9B, CF)H (155, 207)D 54 59. (7F)H (127)D, (FF)H (255)Dportional print mode 60. (1B, 3C)H (27, 60)D, (9B, BC)H (155, 188)D This code moves the print head to the home position (1B, 52, n)H (27, 82, n)D (Epson mode only) Country U.S.A France 2Germany 3U.K 4Denmark 5Sweden 6Italy 7Spain 62. (07)H (07)D, (87)H (135)D This code causes the buzzer to sound for approximately 1/3 second 63.(1B, 40)H (27, 64)D (9B, C0)H (155, 192)D This code initializes the printer. Data input after this code is not deleted 55 64.(1B, 55, n)H (27, 85, n)D, (9B, D5, n)H (155, 213, n)Dn = (01)H or (31)H Selects unidirectional printing n = (00)H or (30)H Selects bidirectional logic seeking printing 65. (1B, 38)H (27, 56)D 66. (1B, 39)H (17, 57)D 56 PROGRAM EXAMPLES83 APPENDIX
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