1. Manuals
  2. Brands
  3. Digital Equipment Manuals
  4. Printer
  5. LG31
  6. Installation & operator's manual

Digital Equipment LG31 Installation & Operator's Manual

Digital equipment corporation lg31 printer - installation/operator's manual
Hide thumbs
Table of Contents

Advertisement

Quick Links

Download this manual
LG31 Printer
Installation/Operator's Manual
Order Number EK-LG31E-IN-002
Digital Equipment Corporation

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the LG31 and is the answer not in the manual?

Questions and answers

Related Manuals for Digital Equipment LG31

Summary of Contents for Digital Equipment LG31

  • Page 1 LG31 Printer Installation/Operator’s Manual Order Number EK-LG31E-IN-002 Digital Equipment Corporation...
  • Page 2 No responsibility is assumed for the use or reliability of software on equipment that is not supplied by Digital Equipment Corporation or its affiliated companies. © Digital Equipment Corporation. 1989. All rights reserved.

  • Page 3: Table Of Contents

    Specifications ......... 1–6 1.6.1 LG31 Printer Specifications ..... . . 1–6 1.6.2 Resident Fonts .
  • Page 4 Print Ribbon Cartridge ......2–11 Apply Power to the LG31 ....... 2–12 Powering and Testing the LG31 Printer .
  • Page 5 Chapter 4 SETTING COMMUNICATIONS AND PRINT PARAMETERS Introduction ......... . 4–1 Interface Control—Host to Printer Interface .
  • Page 6 Chapter 5 PRINTER DIAGNOSTICS Introduction ......... . 5–1 Self-Tests .
  • Page 7 1–1 LG31 Printer ........1–3 2–1 Cut Straps and Remove .
  • Page 8 4–1 Serial Interface Connector ......4–2 4–2 Location of the Serial Interface Connector ... . . 4–3 4–3 Configuration Menu .
  • Page 9 Tables 1–1 LG31 Printed Circuit Boards ..... . . 1–5 1–2 LG31 Printer Specifications ......1–6 1–3...

  • Page 10: Preface

    Preface Purpose This manual provides information on the installation and operation of the LG31 300 LPM Line Matrix Printer. It contains instructions and procedures to help a user install, power-up, set/load, operate, and maintain the LG31 printer. NOTE The LG31 printer is installed, maintained, and supported by Digital Equipment Corporation.

  • Page 11: Related Documentation

    • Chapter 7 Operator Maintenance – Describes operator trou- bleshooting tools and maintenance procedures. • Appendix A LED Display List – Contains a complete list of LG31 printer readouts. • Appendix B Parameter Selection – Contains the program mode parameters and the function mode options.
  • Page 12 WARNING: The information describes a process that can harm the user. Assistance If you have a problem with the LG31 printer, carry out the following steps: 1. Confirm that the problem can be repeated by recreating the identical conditions leading up to the problem. A vital step may have been overlooked which is causing the problem.
  • Page 13 3. If required, report the problem to Digital Equipment Corporation Customer Service. Consult your service contract for the information required to process your call. WARNING Dangerous voltages exist in the LG31 printer. There are no internal user serviceable parts. Refer servicing to qualified service personnel. FCC Statement (A) Notice This equipment generates, uses, and may emit radio frequency energy.

  • Page 14: Chapter 1 General Information

    1.2 General Description The LG31 printer is a line matrix printer incorporating a serial I/O (see Figure 1–1). The LG31 printer uses fan-folded, tractor-fed paper stock, and operates at 100-240 volts, 50-60 Hertz (Hz). The printer is primarily used in data processing and office environments, and can be operated by...

  • Page 15: Major Components

    Serial interface • Power supply 1.3.1 Control Panels There are two control panels on the LG31 printer: an Outer Control Panel keypad for common operations, and an Inner Control Panel key- pad for more complex printing operations. The inner control panel has a three-character LED display, which indicates printer status and operator-correctable faults.

  • Page 16: Lg31 Printer

    Figure 1–1: LG31 Printer DISPLAY WINDOW ENCLOSURE OUTER CONTROL PANEL FRONT DOOR LEFT COVER PAPER RACK POWER SWITCH (CIRCUIT BREAKER) RIGHT COVER PAPER REAR STACKING COVER GUIDES PAPER SHELF RE_UK00220A_89 GENERAL INFORMATION 1–3...

  • Page 17: Printer Mechanism

    1.3.3 Control Electronics The control electronics of the LG31 printer coordinates the functions and operations of the serial interface, control panel, and printer mechanism. 1.3.4 Serial Interface The EIA RS-232-C serial interface provides the bidirectional communi- cations link between the host and the printer.

  • Page 18: Printer Feature Summary

    SPSX Shuttle Power 29-26722-00 In ac switch box, rear Supply Filter of printer, near power ON/OFF switch. 1.5 Printer Feature Summary The LG31 printer provides the following features: • Bolding • Underlining text • Single, double-width characters GENERAL INFORMATION 1–5...

  • Page 19: Specifications

    • Digital multinational 8-bit character set (U.S. ASCII) • National Replacement Character (NRC) sets (see Section 1.6.5). 1.6 Specifications 1.6.1 LG31 Printer Specifications Table 1–2: LG31 Printer Specifications Printer Dimensions Unpacked Width 737.5 cm (29.0 in) Depth 63.5 cm (25.0 in) (with Paper Tray) 104.1 cm (41.0 in)
  • Page 20 Table 1–2 (Cont.): LG31 Printer Specifications NOTE The printer’s universal power supply automatically accepts international voltage and frequency variations. Input Frequency Range 50 Hz to 60 Hz Harmonic Distortion 5% maximum allowable Power Rating Standby 50 W Printing 400 W...

  • Page 21: Resident Fonts

    Table 1–2 (Cont.): LG31 Printer Specifications Paper/Forms Paper Width 76.2 mm (3 in) to 420.1 mm (16.54 in) Form Length 8.4 mm (0.33 in) to 559 mm (22 in) Fan Folds 152 mm (6 in) to 305 mm (12 in) Paper Weight 90 g/m²...

  • Page 22: Print Speeds

    1.6.4 Print Speeds Print speeds are quoted in lines per minute (LPM) with the printer set at 6 LPI, for each available combination of font and horizontal pitch in characters per inch. Table 1–5: Print Speeds Horizontal Pitch (CPI) Font 13.3 16.7 DP Upper-case Only...

  • Page 23: Resident Character Sets

    VT100 Special Graphics Digital French Canada ISO Germany ISO Italy JIS Roman (Japan) Digital Norway/Denmark ISO Spain Digital Sweden Digital Switzerland ISO Norway/Denmark Digital Portugal The complete character sets are given in Appendix A of the LG31 User’s Guide. 1–10 GENERAL INFORMATION...

  • Page 24: Chapter 2 Installation And Checkout

    2.1 Overview This chapter contains the unpacking, checkout and installation proce- dures for the LG31 printer. This printer must be installedby trained personell only. Installation time is approximately one hour. The follow- ing tasks must be performed before the LG31 printer is operational.

  • Page 25: Unpacking

    AC power cord (country specific, see Appendix D) • 100 sheets of fanfold paper • BC22D-25 null-modem cable • User information (EK-OLG31-DK) which contains: — LG31 Printer User’s Guide EK-LG31E-UG — LG31 Printer Installation/Operator’s Manual EK-LG31E-IN • Strapped skid-crate containing: • LG31 printer •...

  • Page 26: Unpacking Procedure

    2.2.2 Unpacking Procedure Use the following procedure and illustrations when unpacking the LG31 printer. Save the red shipping screws, blocks, and brackets for reship- ment. 1. Cut and remove the four shipping straps from shipping pack (see Figure 2–1). 2. Remove the country kit from the top of the printer carton.

  • Page 27: Opening Carton

    4. Open the carton and lift out the package containing the ramps from the top of the packing material (see Figure 2–2). Figure 2–2: Opening Carton RE_UK00960A_89 5. Remove the packing material around the printer. 2–4 INSTALLATION AND CHECKOUT...

  • Page 28: Removing Metal Brackets

    6. Remove the four metal brackets holding the printer to the wooden skid using a 9/16" AF Wrench (see Figure 2–3). Figure 2–3: Removing Metal Brackets RE_UK00961A_89 7. Open the carton containing the ramps and remove them. INSTALLATION AND CHECKOUT 2–5...

  • Page 29: Positioning Ramps

    8. Position the ramps as shown in Figure 2–4 and force the teeth into the top level of the skid. Figure 2–4: Positioning Ramps RE_UK00278M_89 Note Align ramp with one arrow to single arrow on skid and ramp with two arrows to two arrows on skid. 2–6 INSTALLATION AND CHECKOUT...

  • Page 30: Removing Printer From Pallet

    9. Carefully roll the printer down the ramp (see Figure 2–5). Figure 2–5: Removing Printer from Pallet RE_UK00962A_89 10. Pull open printer front door (hinged at left side). Remove printer accessories paper rack, paper tray, paper guides, and ribbon cartridge (3 boxes).

  • Page 31: Top Of Lower Front Interior

    11. Using an 8 mm socket wrench, remove four M5 x 30 red hex-head cap screws, M5 lock washers, and M5 plain washers securing the shuttle shipping blocks in place. These screws are accessible by the front door, which allows access to the bottom of the paper handling assembly (see Figure 2–6).

  • Page 32: Top View - Shuttle Area

    Figure 2–7: Top View - Shuttle Area M5 CAP SCREWS (RED) SECURING STRIKER BAR SUPPORT DURING SHIPPING RED SHUTTLE SHIPPING BLOCKS (REAR PAIR) SCREW (RED), LOCKWASHER, PLAIN WASHER, & SHIPPING BRKT. SECURING SHUTTLE RED SHUTTLE SHIPPING BLOCKS (FRONT PAIR) RE_UK00752A_89 14.

  • Page 33: Paper Handling Hardware

    20. Secure clip end of static strap to paper tray. The stub end at the interface connector plate will be connected as shown in Figure 2–8. 21. Install paper stacking guides on paper shelf using thin screw attach- ments (see Figure 2–8). Figure 2–8: Paper Handling Hardware GROUND CABLE...

  • Page 34: Installation

    There is no need to adjust the printer power supply to suit the mains source when this source is within the specifications. The proper site environment requirements for LG31 printer installation are under ‘‘Specifications’’ in Chapter 1. Environmental conditions such as excessive humidity can cause paper sticking, while low humidity can cause static build-up.

  • Page 35: Apply Power To The Lg31

    The LG31 printer contains a universal power supply that works, without modification or adjustment, with any input in the specified range of voltage and frequency. To power up the LG31 printer, carry out the following: 1. Make sure the power switch (see Figure 2–9) is in the OFF position.

  • Page 36: Power Connection

    Figure 2–9: Power Connection SURGE CAPACITOR POWER MODULES HOLD UP CAPACITOR SPSR DC POWER DISTRIBUTION CABLE SPSM SPSD LINE AC POWER FILTER SOCKET AC SWITCH BOX SPSX RECTIFIER ON/OFF SWITCH/ CIRCUIT BREAKER RE_UK00222A_89 INSTALLATION AND CHECKOUT 2–13...

  • Page 37: Powering And Testing The Lg31 Printer

    Chapter 7 (Table 7–4). 1. Make sure the LG31 is in the off-line mode ([ O F L] is displayed). Press the (3) ON LINE key if [ O n L] is displayed.

  • Page 38: Cover Interlock Switch

    3. Press the (1) PRG key to enter the initialization mode [P r o] is displayed. The LG31 will print the configuration menu. 4. Press the (0) TEST CLR key to return to the off-line mode ([ O F L] is displayed).

  • Page 39: Host To Lg31 Printer Set-Up Procedure

    VAX/VMS operating system. If the terminal line that will support the LG31 has not been set-up to support a spooled device then, go to instruction 3, otherwise, issue a DCL command such as the following: $ stop/que que_name where que_name is the name of the queue.

  • Page 40: Rsx Settings

    $ set dev/spool=(queue_name) txa1: where queue_name is the name of the queue. Start the queue by issuing the DCL command: $ ini/que/start/terminal queue_name/on=txa1: The LG31 can now be used. 2.6.3 RSX Settings The terminal characteristic PASTHRU should be set. 2.6.4 RT-11 Settings A command of the form ASSIGN TT1: LP: should be issued.

  • Page 41: Rsts/E Settings

    2.6.5 RSTS/E Settings Refer to the RSTS/E System Manuals. Note * Indicates that the current setting is not affected by the terminal type. Table 2–1: Default Characteristics Name Name ADVANCED_VIDEO INSERT/ OVERSTRIKE ALTYPEAHD INTERACTIVE/ PASSALL ANSI_CRT LFFILL APPLICATION_KEYPAD/ LINE EDITING NUMERIC_KEYPAD AUTOBAUD LOCAL_ECHO...

  • Page 42: Connecting The Host To The Lg31 Printer

    2.7 Connecting the Host to the LG31 Printer The LG31 printer contains an EIA RS-232-C serial 25-pin interface connector. The cable from the host to the printer is in the country kit. Connect the cable from the host to the LG31 printer.

  • Page 43: Chapter 3 Controls And Indicators

    LG31 printer. 3.2 Power Switch ON/OFF The power switch is located on the rear of the LG31 printer (see Fig- ure 3–1). This is a two-position rocker switch/circuit breaker. In the ON position, top half pressed in, power is applied to the printer.

  • Page 44: Power Switch

    Figure 3–1: Power Switch POWER SWITCH (CIRCUIT BREAKER) POWER CABLE INTERFACE CABLE RE_UK00247A_89 3–2 CONTROLS AND INDICATORS...

  • Page 45: Outer Control Panel

    Figure 3–2: Location of the Outer Control Panel DISPLAY WINDOW CONTROL PANEL RE_UK00964A_89 The outer control panel, which is located on top of the LG31 (see Figure 3–2), contains the keys that let the operator perform routine functions: CONTROLS AND INDICATORS 3–3...

  • Page 46: Outer Control Panel Components

    • Run the print test and the self-test. • Switch the printer between the on-line and off-line modes of opera- tion. • Perform form feed operations. 3.3.1 Outer Control Panel Components The outer control panel (see Figure 3–3) includes: • A view window through which you can observe the three-digit display on the inner control panel.

  • Page 47: Outer Control Panel Keys

    When this key is pressed for less than 0.5 seconds after clearing a fault or error condition, the LG31 resumes normal operation. FORM FEED When this key is pressed the LG31 advances the paper to top of the next form. When the LG31 is on-line, the form feed operation is dependent upon the setting of printer control strap 26.

  • Page 48: Cover Interlock Switch

    Figure 3–4: Cover Interlock Switch TOP COVER INTERLOCK SWITCH ENCLOSURE INTERLOCK SWITCH RE_UK00963A_89 3–6 CONTROLS AND INDICATORS...

  • Page 49: Inner Control Panel

    The inner control panel, which is located inside the top cover (see Fig- ure 3–5), contains the keys that let you control all operational functions of the LG31. These include: • Performing the same functions as the outer control panel.

  • Page 50: The Inner Control Panel

    — (2) FORM FEED — (3) ON LINE — (4) LINE FEED — (5) CPI LPI — (6) PAPER REV — (7) FONT — (8) SET TOF — (9) FCT Figure 3–6: The Inner Control Panel TEST FORM FEED LINE LINE FEED PAPER...

  • Page 51: Configuration Menu

    Figure 3–7: Configuration Menu THE PRESENT CONFIGURATION IS: (44A511526 SY - 44A511527 IM) FIRMWARE REVISION LEVEL V2.3 Font: Style - 44A511527 Dataprocessing CPI - 10 CPI Country - US ASCII Mode - Normal Horizontal Expansion - X1 Vertical Expansion - X1 LPI - 6 lpi Forms Control (lines): Form Length...

  • Page 52: Three-Character Led Display

    (9) FCT key to enter. Display reads [.F n c]. Middle dot FORM LOADED - Electronic Vertical Format Unit (EVFU) form table has been downline loaded. See the LG31 Printer User’s Guide. Right dot READY—Illuminated by the signal CTS received from the host computer (see Chapter 4, Section 4.2).

  • Page 53: Initialization Switch

    Figure 3–8: The Inner Control Panel Showing Display, Audio Alarm, Initialization Switch INITIALIZATION SWITCH AUDIO ALARM DISPLAY READY FORM LOADED MODE TEST FORM FEED LINE LINE FEED PAPER FONT INNER CONTROL PANEL RE_UK00709M_89 3.5.3 Initialization Switch The initialization switch (see Figure 3–8) is a slide switch located at the top of the inner control panel that lets you initialize the printer after it is locked up.

  • Page 54: Key Functions

    3.5.4 Key Functions The three types of key functions are: 1. Initial key function (ON LINE, TEST CLR, PAPER REV). Refer to Table 3-1 for list. 2. Function select — Enter by pressing (9) FCT key. In this state, the left dot on the three-character LED display is illuminated.

  • Page 55: Function Mode Key Operations

    Figure 3–9: Function Mode Key Operations CONTROLS AND INDICATORS 3–13...

  • Page 56: Initial Key Functions

    Table 3–1: Initial Key Functions Key Function Key Function in OFF LINE Mode ON LINE Mode U = ON LINE selected. Toggles state to ON LINE Toggles state to on-line mode. off-line mode. When pressed for more than 0.5 of a second, a No operation.
  • Page 57 Table 3–1 (Cont.): Initial Key Functions Key Function Key Function in OFF LINE Mode ON LINE Mode [ 05] [ 05] [n05] [n05] [ 10] [ 10] [OcA] [Ocb] [ 12] [ 12] [n12] [n12] [ 13] [ 13] [n13] [n13] [06L] [ 15]...
  • Page 58 Table 3–1 (Cont.): Initial Key Functions Key Function Key Function in OFF LINE Mode ON LINE Mode Enters Function Selection state (refer to function No operation. procedures: Printer Initialization, Forms Setup, and Margin Setup). This key is also used to achieve Reverse Form Feed as follows: Press key (9) to enter Function Mode, then press key (6) for Reverse Form Feed (paper moves back one form...

  • Page 59: Paper Tension Lever

    3.7 Print Gap Control The print gap control is a rotary adjustment that adjusts the distance between the paper and the print heads (see Figure 3–10). It has a scale from less than one to more than six, and should be nominally set to the same point on the scale as the PAPER THICKNESS scale.

  • Page 60: Chapter 4 Setting Communications And Print Parameters

    4.1 Introduction This chapter defines the user settable parameters of the LG31 printer. There are two ways for setting parameters in the LG31. Some of the parameters can be set by either method. There are eight categories of parameters in the LG31 printer listed in the configuration menu that are settable when you enter the program...

  • Page 61: Interface Control-Host To Printer Interface

    4.2 Interface Control—Host to Printer Interface The LG31 printer contains an EIA RS-232-C 25-pin connector as a serial interface to the host. The connector is located on the lower back of the printer (see Figure 4–2).

  • Page 62: Location Of The Serial Interface Connector

    Figure 4–2: Location of the Serial Interface Connector POWER SWITCH (CIRCUIT BREAKER) POWER CABLE INTERFACE CABLE RE_UK00247A_89 SETTING COMMUNICATIONS AND PRINT PARAMETERS 4–3...

  • Page 63: Pin Assignments

    Table 4–1: Pin Assignments Signal Signal Direction Description AA Chassis – Frame (Protective) Ground BA (TX) From Printer Printer transmits coded Ready/Busy (See Note 2) (DC1/DC3) or BREAK status (strap A5 IN). ETX/ACK — Up to 1500 characters will be accepted. ETX terminates the string.

  • Page 64: Configuration Menu

    Table 4–1 (Cont.): Pin Assignments Signal Signal Direction Description CD (DTR) From Printer Data Terminal Ready. If so strapped (A7 IN), data terminal is turned ON by printer when a positive voltage level is applied to the pin 20 line, to indicate printer is ready to accept data.
  • Page 65 3. To select a category of parameters, push the key with the category number shown on the configuration menu. To see the form control parameters, press (2). The LG31 will print a list of the form control parameters. 4. To select a parameter, press the key number shown next to the parameter.

  • Page 66: Configuration Menu

    Figure 4–3: Configuration Menu THE PRESENT CONFIGURATION IS: (44A511526 SY - 44A511527 IM) FIRMWARE REVISION LEVEL V2.3 Font: Style - 44A511572 Dataprocessing CPI - 10 CPI Country - US ASCII Mode - Normal Horizontal Expansion - X1 Vertical Expansion - X1 LPI - 6 lpi Forms Control (lines): Form Length...

  • Page 67: Communications Parameters

    1. Place the printer off-line ([ O F L] is displayed). If the printer is on-line ([ O n L] is displayed), press the ON LINE key. 2. Press the PRG key ([ P r o] is displayed). The LG31 printer prints the configuration menu.
  • Page 68 7. Press key (4). The LG31 printer will print the interface control options available (see Figure 4-4). 8. To change the parity, press the (5) key. The LG31 printer will list the parity options (see Figure 4-5). — Press the key which corresponds to the number of the desired parity option.

  • Page 69: Interface Control Straps

    Figure 4–4: Interface Control Straps Interface Control Exit Interface Type Interface Straps A Interface Straps B Speed Parity Straps: Exit Strap ‘IN’ Strap ‘OUT’ Forward Without change Reverse Without change Interface Straps A: 12345678901234567890123456789012 00001000000010000000101000000000 Interface Straps B: 12345678901234567890123456789012 11000100000000000000000000000000 Press the number ‘0’...

  • Page 70: Interface Control Speed

    Figure 4–5: Interface Control Speed Interface Control Exit Interface Type Interface Straps A Interface Straps B Speed Parity Speed - Exit 1200 1800 2400 4800 9600 19200 Speed - 9600 Press the number ‘0’ to return to normal operation. To continue modification select (1-8). SETTING COMMUNICATIONS AND PRINT PARAMETERS 4–11...

  • Page 71: Interface Control Parity

    Figure 4–6: Interface Control Parity Interface Control Exit Interface Type Interface Straps A Interface Straps B Speed Parity Parity - Exit Even Space Mark Parity - Even Press the number ’0’ to return to normal operation. To continue modification select (1-8). Note The space and mark options are available in 7-bit mode only.

  • Page 72: Serial Interface Strapping Options

    Table 4–2: Serial Interface Strapping Options Strap Number Action When In (In = 1; Out = 0) READ/BUSY CONTROL Not assigned Not assigned Not assigned Enable READY/BUSY status by means of SCA (pins 11 and 19) Enable READY/BUSY to cause transmission of XON/XOFF codes Enable READY/BUSY to cause transmission of a 200 msec BREAK Enable READY/BUSY to turn circuit CD (interface pin 20) ON...

  • Page 73: Print Characteristics

    Table 4–2 (Cont.): Serial Interface Strapping Options Strap Number Action When In (In = 1; Out = 0) Enable transmission of an <ACK> on receipt of an <ETX> Reverse SCA polarity (active state LOW) if SCA is enabled Reverse DTR polarity (active state LOW) if DTR is enabled Inhibit received parity check Enable two stop bits Enable transmitter...

  • Page 74: Font Menu

    1. Place the printer off-line ([ O F L] is displayed). If the printer is on-line ([ O n L] is displayed), press the ON LINE key. 2. Press the PRG key ([ P r o] is displayed). The LG31 printer will print the configuration menu.

  • Page 75: Style

    1. Place the printer off-line ([ O F L] is displayed). If the printer is on-line ([ O n L] is displayed), press the ON LINE key. 2. Press the PRG key ([ P r o] is displayed). The LG31 printer will print the configuration menu.

  • Page 76: Cpi

    1. Place the printer off-line ([ O F L] is displayed). If the printer is on-line ([ O n L] is displayed), press the ON LINE key. 2. Press the PRG key ([ P r o] is displayed). The LG31 printer will print the configuration menu.

  • Page 77: Country (Character Sets)

    4.4.1.3 Country (Character Sets) Figure 4–11: Font Country FONT: Exit Style Country Mode Horizontal Expansion Vertical Expansion Country - Exit US ASCII Great Britain DEC Dutch DEC Finland France DEC French (Canada) Germany Italy Continue Country - Exit JIS Roman DEC Norway/Denmark Spain DEC Sweden...

  • Page 78: Mode

    2. Press the PRG key ([ P r o] is displayed). The LG31 printer will print the configuration menu. 3. Press the (3) key. The LG31 will print a list of national replacement character sets available. 4. Press the key with the same number as the desired set ((3) selects Digital Dutch).

  • Page 79: Horizontal Expansion

    1. Place the printer off-line ([ O F L] is displayed). If the printer is on-line ([ O n L] is displayed), press the ON LINE key. 2. Press the PRG key ([ P r o] is displayed). The LG31 printer will print the configuration menu.

  • Page 80: Vertical Expansion

    1. Place the printer off-line ([ O F L] is displayed). If the printer is on-line ([ O n L] is displayed), press the ON LINE key. 2. Press the PRG key ([ P r o] is displayed). The LG31 printer will print the configuration menu.

  • Page 81: Lpi

    1. Place the printer off-line ([ O F L] is displayed). If the printer is on-line ([ O n L] is displayed), press the ON LINE key. 2. Press the PRG key ([ P r o] is displayed). The LG31 printer will print the configuration menu.

  • Page 82: Forms Control

    1. Place the printer off-line ([ O F L] is displayed). If the printer is on-line ([ O n L] is displayed), press the ON LINE key. 2. Press the PRG key ([ P r o] is displayed). The LG31 printer will print the configuration menu.

  • Page 83: Margin Settings

    1. Place the printer off-line ([ O F L] is displayed). If the printer is on-line ([ O n L] is displayed), press the ON LINE key. 2. Press the PRG key ([ P r o] is displayed). The LG31 printer will print the configuration menu.

  • Page 84: Horizontal Tab Stops

    9. Press the (4) key to set the right margin. 10. Press the (0) key to return to the configuration menu. 11. Press the (0) key to return the LG31 printer to off-line operation ([ O F L] is displayed).

  • Page 85: Vertical Tab Stops

    1. Place the printer off-line ([ O F L] is displayed). If the printer is on-line ([ O n L] is displayed), press the ON LINE key. 2. Press the PRG key ([ P r o] is displayed). The LG31 printer will print the configuration menu.

  • Page 86: Printer Control Straps — Factory Setting

    7. Press the (0) key and the printer will return to the printer control category. 8. Press the (0) key to return to the configuration menu. 9. Press the (0) key and the LG31 printer will return to off-line opera- tion ([ O F L] is displayed). SETTING COMMUNICATIONS AND PRINT PARAMETERS 4–27...

  • Page 87: Function Mode

    It may be necessary to perform the initialization procedure if the printer becomes locked, or if you want to return to the factory settings. Table 4-3 describes how to use the control panel to initialize the LG31 printer. Table 4-4 describes how to initialize the printer using the initialization switch.

  • Page 88: Function Mode

    Figure 4–21: Function Mode THE PRESENT CONFIGURATION IS: (44A511526 SY - 44A511527 IM) FIRMWARE REVISION LEVEL V2.3 Font: Style - 44A511527 Dataprocessing CPI - 10 CPI Country - US ASCII Mode - Normal Horizontal Expansion - X1 Vertical Expansion - X1 LPI - 6 lpi Forms Control (lines): Form Length...

  • Page 89: Initialization Procedure

    Table 4–3: Initialization Procedure Action Results Display Press (3) ON Printer set to off-line. [ O F L] LINE Press (9) FCT Printer enters Mode Selection [.F n c] mode. Press (1) PRG Printer enters Initialization [ . s u] mode.

  • Page 90: Forms Setup

    Table 4–4: Lock-Up Printer Initialization Procedure Action Results Turn printer power OFF. Printer disabled. Slide the printer initialization switch to its opposite position (Switch located at top of inner control panel). Turn printer power ON. Printer enabled. When display indicates Initializes the printer to factory [ .

  • Page 91: Forms Setup Procedure

    the paper. Pressing the bottom of form key (7) FONT will cause the form parameters entered to be saved, move the paper to align the top of the next form with the print line, and exit the Form Setup mode. Table 4–5: Forms Setup Procedure Action Results...

  • Page 92: Top Of Form (Tof)

    4.5.2.1 Top Of Form (TOF) Figure 4–22: Key (4) Form Size Setup Example Form 1 in Margin Sample Form 8 in Bottom Margin 1 in Form RE_UK00282M_89 Figure 4–22 shows the same form size when Top Of Form (TOF) is set by using key (4) LINE FEED while the printer is in the Form Setup mode.
  • Page 93 2. Press key (4) LINE FEED to set top of form. Display is [ 0 0 0]. 3. One-inch top margin is desired at 6 LPI. Press and hold (2) FORM FEED, count six lines, release pushbutton. Display counts one line feed per half-second.

  • Page 94: Print Adjustment

    (9) (FCT) is pressed again before another key, the previous pattern is repeated. Further information and sample test pattern printouts are in Chapter 7 of the LG31 Technical Manual. The print review function permits evaluation of the print alignment for proper character formation and graphics printing.

  • Page 95: Forms Adjustment

    Table 4–6 (Cont.): Print Review Procedure Action Results Display (5) CPI LPI Prints horizontal timing patterns [.H E P] (6) PAPER Prints vertical timing pattern [.U E P] (7) FONT Prints intermodule gap pattern [ . 9 P] (8) SET TOF Prints checkerboard pattern [.c b P] Indicates a continuous printing pattern.

  • Page 96: Forms Adjustment Procedure

    Table 4–7: Forms Adjustment Procedure Action Results Display Press (3) ON LINE Printer goes off-line. [ O F L] Press (9) FCT Printer enters Mode Selection mode. [.F n c] Press (4) LINE Printer enters Forms Adjustment mode. [.F A d] FEED At this point, the choices are: (0) TEST CLR...

  • Page 97: Margin Setup

    4.5.5 Margin Setup The Margin Setup procedure shown in Table 4-8 is used to set and display left and right margins. Table 4–8: Margin Setup Procedure Action Results Display Press (3) ON LINE Printer goes OFF LINE. [ O F L] Press (9) FCT Printer enters Mode Selection mode.
  • Page 98 The following example explains how to select and set desired margins. NOTE A counter is used to indicate the current column number counted from the left margin. The count increments or decre- ments at the rate of two per second when key (1) PRG or (2) FORM FEED is held down.

  • Page 99: Reverse Form Feed

    The left margin specifies the first printable position on a line, while the right margin specifies the last printable position on a line. The active position may not be placed outside the left and right margins. The left margin must be one less than the right margin. If the active position is less than the left margin, the active position is set to the left margin.

  • Page 100: Buffer Clear

    4.5.7 Buffer Clear Use the Buffer Clear procedure shown in Table 4-10 to clear the contents in the printer’s buffer. Table 4–10: Buffer Clear Procedure Action Results Display Press (3) ON Printer goes off-line. [ O F L] LINE Press (9) FCT Printer enters Function mode.

  • Page 101: Chapter 5 Printer Diagnostics

    Additionally, further self-test operations can be programmed into the printer to check internal logic at power-up with detected faults displayed at the control panel (see the LG31 Printer User’s Guide EK-LG31E-UG). A list of all messages displayed on the LEDs is contained in Appendix A.

  • Page 102: Printing Self-Test

    5.2.2 Printing Self-Test The LG31 printer can execute a printing self-test from either the outer or inner control panel. This test prints the 94 printable characters of the ASCII character set in the data processing font, at 10 CPI, and 6 LPI.

  • Page 103: Print Test Pattern

    Table 5–1: Print Test and Diagnostic Self-Test Procedure Action Result Press (3) ON LINE Control panel display [ O F L]. key to put the printer off-line Press (0) TEST CLR key Printer prints test pattern (see Chapter 4, Figure 4-20).

  • Page 104: Diagnostic Fault Codes

    Table 5–2: Diagnostic Fault Codes Printer Displays Fault – No Fault [ 0 2 0] SMSM Lithium Battery (BT1) (see Table 7.2) [ 0 2 2] SMIM has insufficient RAM [ 0 4 X] SMSM RAM. Display indicates chip number at fault.
  • Page 105 Table 5–2 (Cont.): Diagnostic Fault Codes Printer Displays Fault [ 1 3 ] Head test failure (X indicates module number of bad actuator. 1=left, 2=middle, 3=right) [ 1 4 ] SMIM interrupt controller (8259A in U14) [ 2 1 ] SMIM ROM (U19-U24, U38-U39) image processor ROM (Display indicates chip number at fault)

  • Page 106: Alignment Tests

    Otherwise, the fault is not operator-correctable and Digital should be contacted (see the LG31 Printer User’s Guide for complete code list). 5.3 Alignment Tests There are a series of printing test patterns that are used for aligning the printer.

  • Page 107: Chapter 6 Printer Operation

    Chapter 6 PRINTER OPERATION 6.1 Introduction This chapter provides information on the operation of the LG31 printer and includes descriptions of the control panels/display, power-up proce- dure, troubleshooting, and operator-correctable faults. 6.2 Loading Paper The printer uses edged-punched (sprocket fed) fan-fold paper conforming to the dimensions shown in Figure 6-1.

  • Page 108: Sprocket Hole Dimensioning Diagram

    0.25 in. (6.35mm) 0.50 in. (12.70mm) 0.156 in. (3.97mm) RE_UK00279M_89 To load paper in the LG31, carry out the following steps. 1. Open top cover. 2. Turn Paper Gap Adjuster to Load position (maximum clockwise). See Figure 6-2. 3. Open Paper Tension Adjust lever to position 1 (fully downward).

  • Page 109: Paper Loading Diagram

    Figure 6–2: Paper Loading Diagram MARGIN UPPER LEFT ADJUSTMENT PAPER TRACTOR KNOB PAPER GAP PAPER ADJUSTER THICKNESS SCALE PAPER TENSION ADJUSTMENT LEVER RE_UK00966A_89 CAUTION Do not attempt to move paper manually by turning pulleys or belts (pin feed de-synchronization/gear damage may re- sult).

  • Page 110: Paper Loading, Lower Tractor

    Figure 6–3: Paper Loading, Lower Tractor TRACTORS (PAPER DRIVE MECHANISM) COOLING PAPER SUPPLY PAPER LOW PAPER TENSION SWITCH ADJUSTMENT FINGERS LOWER LOWER TRACTOR TRACTOR RE_UK00967A_89 6–4 PRINTER OPERATION...

  • Page 111: Installing/Replacing Ribbon Cartridge

    6.3 Installing/Replacing Ribbon Cartridge To install the ribbon cartridge, carry out the following steps: 1. Open printer top access door with the cover interlock switch (located on the top left of the printer). 2. Raise cover interlock switch to its highest position. 3.

  • Page 112: Ribbon Cartridge Installation, Holddown And Re-Inker

    5. If replacing the ribbon cartridge unsnap ribbon cartridge holddown at left side of ribbon cartridge (see Figure 6-5). NOTE The LG31 printer has a ribbon weld sensor that detects the point where the two ends of the ribbon are welded together.

  • Page 113: Re-Inking Ribbon

    8. Tilt ribbon cartridge downward to the left and install left side first (left edge of cartridge will guide ribbon between the ribbon guide and shield as shown in Figures 6-5 and 6-6). Then lower right side onto ribbon motor drive shaft. Turn knurled knob a few times to verify that ribbon is running freely and to remove any remaining slack.

  • Page 114: Paper Motion

    Figure 6–6: Ribbon Cartridge Installation, Ribbon Guide and Striker RIBBON GUIDE STRIKER BAR RIBBON RIBBON CARTRIDGE RE_UK00970A_89 6.5 Paper Motion For many paper motion operations, there are four ways to perform the operation: 1. In off-line mode, when printer control strap A26 is OUT, directly from the associated keys on the control panel.

  • Page 115: Line Feed

    See Chapter 4, Section 4.4.3 and 4.5.6. 6.6 Aligning Paper There is a fine horizontal adjust on the LG31 printer. this lets you move the form paper with respect to the printing heads. The adjustment is shown in Figure 6-7.

  • Page 116: Buffer Clear

    Figure 6–7: Margin Adjust Knob MARGIN UPPER LEFT ADJUSTMENT PAPER TRACTOR KNOB PAPER GAP PAPER ADJUSTER THICKNESS SCALE PAPER TENSION ADJUSTMENT LEVER RE_UK00966A_89 6.7 Buffer Clear To clear the buffer, carry out the procedure in Chapter 4, Section 4.5.7. 6.8 Low Paper Printing The low paper switch is activated when 21.3 cm (8.4 in) of paper remains in the printer.

  • Page 117: Low Paper Printing Procedure

    Table 6–1: Low Paper Printing Procedure Action Result When the low paper switch is activated: Displayed alternately between [ L o P] and [ On L ]. Printer remains on-line. NOTE To DISCONTINUE printing, proceed to step indicated by *. To CONTINUE printing, carry out the following steps.
  • Page 118 Table 6–1 (Cont.): Low Paper Printing Procedure Action Result When paper movement causes LPP mode to Displayed alternately between be terminated. [ P o ] and [ O F L]. Printing ceases. Audio alarm sounds once (see NOTE 2). Replenish paper supply. Place perforation No change.

  • Page 119: Hex Dump

    Table 6–1 (Cont.): Low Paper Printing Procedure Action Result Press (8) SET TOF, then (0) TEST CLR. Buffered lines are printed. Paper moves to first print position of next form in readiness for use. Paper out condition is cleared. Displayed is [ O F L].
  • Page 120 <DC1><DC3><ESC>K<ESC>L<CR><LF><ESC><SP> YZ<CR><LF>. This is a HEX DUMP example printed at a pitch of 10 CPI in DP font. While debugging, we may find an error such as <DC2> instead of <DC1> (12 instead of 11) or a lower case k instead of an upper case K (6B instead of 4B), and so forth.

  • Page 121: Chapter 7 Operator Maintenance

    Chapter 7 OPERATOR MAINTENANCE 7.1 Introduction The LG31 printer does not require scheduled preventive maintenance. Operator maintenance consists of the following: • Normal cleaning • Changing ribbon cartridges • Changing paper The operator should carry out the following maintenance services when- ever replacing the ribbon cartridge or as required: 1.

  • Page 122: Operator Troubleshooting

    Table 7–1 appear on the display, report this when calling for service. WARNING Dangerous voltages exist in the LG31. There are no internal user serviceable parts. Refer to qualified service personnel. Table 7–1: Possible Mechanical Problems and Remedies...
  • Page 123 Table 7–1 (Cont.): Possible Mechanical Problems and Remedies Observed Problem Probable Cause and Remedies Light printing. Ribbon worn; install new ribbon cartridge. Set paper gap adjuster and/or paper tension adjust lever for smaller gap. Ribbon droops on one side during Ribbon cartridge improperly installed.

  • Page 124: Possible Electrical Problems And Remedies

    Table 7–2: Possible Electrical Problems and Remedies Observed Problem Probable Cause and Remedies No indication on front The power cord is not plugged into wall outlet panel when power or into rear of printer. The wall outlet may be switch turned ON. defective.

  • Page 125: Printer Parameters

    Table 5.2. 7.3 Printer Parameters The factory settings for the printer are listed in Table 7–3. NOTE The following tables refer to ‘‘Control Functions’’, which are listed in the LG31 Printer User’s Guide EK-LG31E-UG. OPERATOR MAINTENANCE 7–5...

  • Page 126: Power-Up Parameters Set

    Every line (1, 2, ... 66) Number of data bits 8-bit mode Number of stop bits 1 stop bit Speed (baud rate) 9600 baud Parity Disabled 7.3.1 Power-Up Parameters Set Table 7-4 lists the default conditions upon power-up of the LG31 printer. 7–6 OPERATOR MAINTENANCE...

  • Page 127: Power-Up Parameters Retained

    Disabled Super/Subscripts Disabled 7.3.2 Power-Up Parameters Retained Upon power-up of the LG31 printer, the parameters that will be retained from the previous power-on session are listed in Table 7-5. Table 7–5: Printer Parameters Retained on Power-Up Selectable Parameter Horizontal Pitch...

  • Page 128: Reset State

    7.3.3 Reset State When the LG31 printer receives a reset sequence from the host computer or the inner control panel (operator’s input), the printer is set to the default settings (see Table 7-6). A RESET sequence does not change the following: •...

  • Page 129: Reset State Default Parameters

    Table 7–6: Reset State Default Parameters Selectable Parameter Reset Default Condition Print Status On-line (ready) Horizontal Pitch 10 characters per 2.54 cm/in Vertical Pitch 6 lines per inch Font Data Processing Forms Length 66 lines (11 inches/27.94 cm) Active Position Column 1 on the current active line (line 1) Top Margin Line 1...

  • Page 130: A.1 List Of All Control Panel Readouts

    LED DISPLAY LIST A.1 List of All Control Panel Readouts The following is a list of every message indication that may appear on the LG31 printer LED display to alert the operator to the printer’s operational status. LED DISPLAY LIST...
  • Page 131 [.F A d] Forms adjustment. The printer is in Forms Adjustment mode. [.F n c] Function. The printer has entered the function mode. [ F o n] Font. [.F S U] Forms setup mode. [ F 0 0] Data processing 10 CPI font check sum fault. [ F 0 1] Data processing 12 CPI.
  • Page 132 [ P o ] Paper out. The paper supply has run out. [ P r o] Program. The printer is in Program mode. [ r c o] Ribbon cartridge out. [ S b o] Striker bar open. [ S d r] Shuttle motor driver.
  • Page 133 [ 4 9 0] SMMC shuttle motor drive. [ 4 9 1] SMMC shuttle frequency out of range. [ 4 9 2] SMIH imaging hardware failure. [ 4 9 3] SMMC or SMIH board (no shuttle interrupt). Check all SMIH jumper positions.
  • Page 134 [ 0 6 L] Number of lines per inch (LPI) while selecting from the through through menu. [ 1 0 L] [ 1 0 i] CPI in italics while selecting from the menu. through [ 1 5 i] [ n 0 5] CPI in gothic NLQ while selecting from the menu.
  • Page 135 Appendix B PARAMETER SELECTION Figure B–1 contains the congfiguration menu with the parameter options available on the LG31 printer. Figure B–2 contains the function mode options available on the LG31 printer. PARAMETER SELECTION B–1...
  • Page 136 Figure B–1: Configuration Menu with Program Mode Parameters B–2 PARAMETER SELECTION...
  • Page 137 Figure B–2: Function Mode Options PARAMETER SELECTION B–3...
  • Page 138 Japan/English, Power Cord, 17-00083-25 LGK31-AK Switzerland/German, French, Power Cord, 17-00210-00 LGK31-AT Israel/English, Power Cord, 17-00457-01 LGK31-AZ Australia and New Zealand/English, Power Cord, 17-00198-00 LGK31-BJ India/English, Power Cord, 17-00456-01 LGK31-CA Country Kit General European, Power Cord, 17-00199-00 (Belgium/Finland/France/Netherlands/Norway/Portugal/Spain/Sweden) LG31 COUNTRY KITS C–1...
  • Page 139 All country kits include the following. Kernel Documentation Kit EK-OLG31-DK EK-LG31E-UG LG31 User Guide (English) EK-LG31E-IN LG31 Installation/Operator’s Manual (English) Binder and slipcase C–2 LG31 COUNTRY KITS...
  • Page 140 Index CPI, 1–2, 4–14, 4–17, 4–32, 4–36, 4–38, 4–39 adjusting form position, 4–36, 4–37 aligning paper, 6–9 alignment tests, 5–6 audio alarm, 1–2, 3–10 diagnostic fault codes, 5–4, 5–6 display, 3–10 display LEDs, 3–10 backing up the paper, 4–40 baud rate, 4–8, 4–9 bottom margin, 4–22, 4–23 electrical problems, 7–4 buffer clear, 4–41, 6–10...
  • Page 141 margin settings (cont’d.) function mode, 4–28 right, 4–25 form set-up mechanical problems, 7–2 buffer clear, 4–41 forms adjustment, 4–36 margin set-up, 4–38 procedure, 4–32 operator troubleshooting, 7–2 reverse form feed, 4–40 top-of-form, 4–33 initialization procedure, 4–28 paper motion, 6–8 lockup integration procedure, form feed, 6–8 4–31 line feed, 6–9...
  • Page 142 print parameter categories (cont’d.) power-up, 5–1, 5–3 printer control straps, 4–26 to printing, 5–2 4–27 serial interface, 1–4, 4–2 vertical tab stops, 4–26 serial strapping options, 4–13 to print patterns, 4–35 4–14 print speed, 1–2 specifications, 1–6 Print speed, 1–9 speed (baud rate), 4–8 print test pattern, 5–3 top margin, 4–22, 4–23...

Table of Contents