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Digital Equipment LG31, Installation & Operator'S Manual

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Contents

Preface

xi

Chapter 1

GENERAL INFORMATION

1.1

Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1–1

1.2

General Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1–1

1.3

Major Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1–2
1.3.1

Control Panels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1–2

1.3.2

Printer Mechanism . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1–4

1.3.3

Control Electronics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1–4

1.3.4

Serial Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1–4

1.3.5

Power Supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1–4

1.4

Printed Circuit Boards . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1–4

1.5

Printer Feature Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1–5

1.6

Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1–6
1.6.1

LG31 Printer Specifications . . . . . . . . . . . . . . . . . . . . . . . 1–6

1.6.2

Resident Fonts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1–8

1.6.3

Recommended Paper Weights . . . . . . . . . . . . . . . . . . . . . 1–8

1.6.4

Print Speeds . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1–9

1.6.5

Resident Character Sets . . . . . . . . . . . . . . . . . . . . . . . . . 1–10

iii

Summary of Contents for 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 Printed in U S A The READER S COMMENTS form on the last page of this document requests the user s critical evaluation to assist in preparing future documentation The following are tr...

Page 3: ...2 Printer Mechanism 1 4 1 3 3 Control Electronics 1 4 1 3 4 Serial Interface 1 4 1 3 5 Power Supply 1 4 1 4 Printed Circuit Boards 1 4 1 5 Printer Feature Summary 1 5 1 6 Specifications 1 6 1 6 1 LG31 Printer Specifications 1 6 1 6 2 Resident Fonts 1 8 1 6 3 Recommended Paper Weights 1 8 1 6 4 Print Speeds 1 9 1 6 5 Resident Character Sets 1 10 iii ...

Page 4: ...VMS 2 16 2 6 3 RSX Settings 2 17 2 6 4 RT 11 Settings 2 17 2 6 5 RSTS E Settings 2 18 2 7 Connecting the Host to the LG31 Printer 2 19 Chapter 3 CONTROLS AND INDICATORS 3 1 Introduction 3 1 3 2 Power Switch ON OFF 3 1 3 3 Outer Control Panel 3 3 3 3 1 Outer Control Panel Components 3 4 3 3 2 Outer Control Panel Keys 3 5 3 4 Top Cover Interlock Switch 3 5 3 5 Inner Control Panel 3 7 3 5 1 Three Cha...

Page 5: ...ountry Character Sets 4 18 4 4 1 4 Mode 4 19 4 4 1 5 Horizontal Expansion 4 20 4 4 1 6 Vertical Expansion 4 21 4 4 2 LPI 4 22 4 4 3 Forms Control 4 22 4 4 4 Margin Settings 4 24 4 4 5 Horizontal Tab Stops 4 25 4 4 6 Vertical Tab Stops 4 26 4 4 7 Printer Control Straps 4 26 4 5 Function Mode 4 28 4 5 1 Printer Initialization 4 28 4 5 2 Forms Setup 4 31 4 5 2 1 Top Of Form TOF 4 33 4 5 3 Print Adjus...

Page 6: ...lacing Ribbon Cartridge 6 5 6 4 Re Inking Ribbon 6 7 6 5 Paper Motion 6 8 6 5 1 Form Feed 6 8 6 5 2 Line Feed 6 9 6 5 3 Forward Microstepping 6 9 6 5 4 Reverse Microstepping 6 9 6 5 5 Reverse Form Feeds 6 9 6 6 Aligning Paper 6 9 6 7 Buffer Clear 6 10 6 8 Low Paper Printing 6 10 6 9 Hex Dump 6 13 Chapter 7 OPERATOR MAINTENANCE 7 1 Introduction 7 1 7 2 Operator Troubleshooting 7 2 7 3 Printer Param...

Page 7: ...ior 2 8 2 7 Top View Shuttle Area 2 9 2 8 Paper Handling Hardware 2 10 2 9 Power Connection 2 13 2 10 Cover Interlock Switch 2 15 3 1 Power Switch 3 2 3 2 Location of the Outer Control Panel 3 3 3 3 Outer Control Panel 3 4 3 4 Cover Interlock Switch 3 6 3 5 Location of the Inner Control Panel 3 7 3 6 The Inner Control Panel 3 8 3 7 Configuration Menu 3 9 3 8 The Inner Control Panel Showing Display...

Page 8: ...4 17 Margin Settings 4 24 4 18 Horizontal Tab Stops 4 25 4 19 Vertical Tab Stops 4 26 4 20 Printer Control Straps Factory Setting 4 27 4 21 Function Mode 4 29 4 22 Key 4 Form Size Setup Example 4 33 5 1 ASCII Print Test Pattern Sample Printout 5 2 6 1 Sprocket Hole Dimensioning Diagram 6 2 6 2 Paper Loading Diagram 6 3 6 3 Paper Loading Lower Tractor 6 4 6 4 Ribbon Cartridge Installation Paper Gap...

Page 9: ...5 Forms Setup Procedure 4 32 4 6 Print Review Procedure 4 35 4 7 Forms Adjustment Procedure 4 37 4 8 Margin Setup Procedure 4 38 4 9 Reverse Form Feed Procedure 4 40 4 10 Buffer Clear Procedure 4 41 5 1 Print Test and Diagnostic Self Test Procedure 5 3 5 2 Diagnostic Fault Codes 5 4 6 1 Low Paper Printing Procedure 6 11 7 1 Possible Mechanical Problems and Remedies 7 2 7 2 Possible Electrical Prob...

Page 10: ...intained and supported by Digital Equipment Corporation Manual Organization This manual is organized as follows Chapter 1 General Information Contains a product overview operational programming features options and printer specifica tions Chapter 2 Installation and Checkout Provides step by step instructions for proper unpacking installation of the LG31 printer and ac power cord connection Chapter...

Page 11: ...a complete list of LG31 printer readouts Appendix B Parameter Selection Contains the program mode parameters and the function mode options Appendix C LG31 Country Kits Contains the country kit infor mation Related Documentation This manual is one in a series of documents listed as follows describing the LG31 printer Title Document No LG31 Printer Pocket Service Guide EK LG31E PS LG31 Printer User ...

Page 12: ...g of the process being described CAUTION The information describes a process that can damage the equipment or software 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...

Page 13: ... A Notice This equipment generates uses and may emit radio frequency energy The equipment has been type tested and found to comply with the limits for a Class A computing device pursuant to Subpart J of Part 15 of FCC rules which are designed to provide reasonable protection against such radio frequency interference Operation of this equipment in a residential area may cause interference in which ...

Page 14: ...processing and office environments and can be operated by non technical users The LG31 must be installed by a trained Field Service engineer It is maintained and supported by Digital Equipment Corporation The hardware environment for the printer consists of all the electrical and mechanical interfaces The electrical interfaces are the host com munication port and the ac power inlet The mechanical ...

Page 15: ...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 The display panel is visible above the outer control panel through a window in the top cove...

Page 16: ...1 Printer RE_UK00220A_89 DISPLAY WINDOW TOP ENCLOSURE LEFT COVER FRONT DOOR POWER SWITCH CIRCUIT BREAKER REAR COVER PAPER RACK PAPER STACKING GUIDES RIGHT COVER PAPER SHELF OUTER CONTROL PANEL GENERAL INFORMATION 1 3 ...

Page 17: ...ides the bidirectional communi cations link between the host and the printer Bidirectional communi cations allow print data to be sent to the printer and various types of data XON XOFF protocol status reports printer identification and so on to be sent to the host from the printer The ASCII ISO 7 bit code and alphanumeric characters are used for information interchange between the printer and the ...

Page 18: ...d cage right side SMMC Shuttle Matrix Motor Control 29 26735 00 In logic card cage right side SMSI Shuttle Matrix Serial Interface 29 26723 00 Piggyback on SMSM SMSM Shuttle Matrix System Microprocessor 29 26733 00 In logic card cage right side SPSD Shuttle Power Supply Discharge 29 26724 00 Inside rear access door below the capacitor SPSM Shuttle Power Supply Master 29 26734 00 In power supply ca...

Page 19: ...th Paper Tray 104 1 cm 41 0 in Height 123 cm 48 4 in Net Weight 131 kg 287 lbs Packaged Width 77 5 cm 30 5 in Depth 88 9 cm 35 in Height 156 2 cm 61 5 in Weight 171 kg 376 lbs includes 16 kg 35 2 lbs of accessories consisting of paper shelf upper paper rack and ribbon cartridge Installation Area Requirements Width 137 cm 54 in To allow air flow clearance for printer side vents Depth 206 5 cm 104 i...

Page 20: ... 000 ft Temperature 10 C to 40 C 50 F to 104 F Maximum allowable reduced by factor 1 8 C 1000 m 1 F 1000 ft Relative humidity 10 to 90 non condensing with a maximum wet bulb temperature of 28 C 82 4 F a minimum dew point 2 C 35 6 F Non operating Altitude 4 9 km 0 to 17 700 ft Temperature 40 C to 66 C 40 F to 150 8 F Maximum allowable reduced by factor 1 8 C 1000 m 1 F 1000 ft Relative Humidity 5 t...

Page 21: ... Yes Yes Yes Yes OCR A NLQ Yes NLQ NLQ NLQ NLQ OCR B NLQ Yes NLQ NLQ NLQ NLQ Yes indicates that the horizontal pitch is available in the current font NLQ indicates that when either OCR A or OCR B font is selected and a horizontal pitch other than 10 CPI is selected the NLQ font is substituted automatically If the horizontal pitch is subsequently changed to 10 CPI the printer will return to the sel...

Page 22: ...inch Table 1 5 Print Speeds Horizontal Pitch CPI Font 5 10 12 13 3 15 16 7 DP Upper case Only 300 300 300 300 300 147 DP Upper and Lower case 240 240 240 240 240 105 NLQ Upper case Only 82 82 82 82 82 147 NLQ Upper and Lower case 65 65 65 65 65 105 OCR A Upper case Only 65 OCR B Upper case Only 65 The OCR A and B fonts are available in upper case only GENERAL INFORMATION 1 9 ...

Page 23: ...gital Finland ISO France Digital Technical 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: ...e is approximately one hour The follow ing tasks must be performed before the LG31 printer is operational Remove all packaging Position the printer Remove all transit items Install the ribbon paper and paper rack tray guides Install electrical connections ac power host interface Set the host interface parameters for example baud rate Set the printer parameters for example autowrap mode INSTALLATIO...

Page 25: ...g LG31 printer Paper rack Paper shelf Paper stacking guides 2 Ribbon cartridge WARNING Do not attempt to move the 174 kg 374 lbs skid crated printer alone Two people are required for unpacking and installation after the printer has been site positioned Inspect the exterior shipping container for punctures crushed cor ners or sides If any shipping or handling damage is found notify the carrier imme...

Page 26: ...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 3 Remove the screws holding the two tabs from the side of the carton using a 7 16 AF Wrench see Figure 2 1 Figure 2 1 Cut Straps and Remove RE_UK00284M_89 INSTALLATION AND CHECKOUT 2 3 ...

Page 27: ... 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: ...al 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: ...igure 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: ... 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 INSTALLATION AND CHECKOUT 2 7 ...

Page 31: ... paper handling assembly but easily removable by socket wrench Figure 2 6 Top of Lower Front Interior SCREWS LOCKWASHERS PLAIN WASHERS SECURE TO FRONT PAIR OF SHUTTLE SHIPPING BLOCKS RE_UK00307A_89 12 Remove the two red rear shipping blocks by reaching up behind the paper handling assembly and removing the blocks through the front door 13 Open printer top cover and shuttle access door not shown wh...

Page 32: ...to give more room for instruction 16 Care must be taken to avoid injury 16 Remove two M5 x 28 red hex head cap screws and plain washers securing the striker bar support blocks during shipping by using an 8 mm socket wrench see Figure 2 7 17 Remove the M5 x 16 red hex head cap screw M5 plain washer turn shipping bracket used as shuttle horizontal constraint during shipping through 90 and slide out ...

Page 33: ...ector 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 PAPER RACK PAPER STACKING GUIDES PAPER SHELF RE_UK00248A_89 2 10 INSTALLATION AND CHECKOUT ...

Page 34: ...t 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 It is recommended that the leveling feet be adjusted to make the printer level if this has not already b...

Page 35: ... power up the LG31 printer carry out the following 1 Make sure the power switch see Figure 2 9 is in the OFF position 2 Take the power cord supplied in the country kit and plug the female connector into the back of the LG31 printer see Figure 2 9 3 Plug the power cord male connector into the source power outlet The LG31 printer is now ready to be switched on 2 12 INSTALLATION AND CHECKOUT ...

Page 36: ...PSX RECTIFIER P1 P2 P3 AC SWITCH BOX LINE FILTER AC POWER SOCKET HOLD UP CAPACITOR DC POWER DISTRIBUTION CABLE SPSD SURGE CAPACITOR POWER MODULES SPSM SPSR RE_UK00222A_89 ON OFF SWITCH CIRCUIT BREAKER INSTALLATION AND CHECKOUT 2 13 ...

Page 37: ...st pattern until you press the 0 TEST CLR key again 4 Compare the printout from this test with the sample printout sup plied with the printer 5 If the printout is comparable continue by running a configuration printout see Section 4 3 1 6 If the quality of the printout is unsatisfactory perform the printer adjustments in chapter 5 of the Technical Manual The configuration menu contains the state o...

Page 38: ...ll the interlock switch see Figure 2 10 out until it clicks Do this within two seconds of opening the top cover 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 INSTALLATION AND CHECKOUT 2 15 ...

Page 39: ...AX VMS Before using the printer the serial interface must be set up correctly The system manager must issue the following commands for the VAX VMS operating system 1 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 2 S...

Page 40: ... Regis No Block_mode No Advanced_ video No Edit_mode No DEC_CRT No DEC_CRT2 No DEC_CRT3 This can be accomplished by the DCL command set term txa1 pasthru speed 9600 etc Note PASTHRU SHOULD ALWAYS BE SET 4 Set the terminal line to support a spooled device by issuing the DCL command set dev spool queue_name txa1 where queue_name is the name of the queue 5 Start the queue by issuing the DCL command i...

Page 41: ...E EDITING AUTOBAUD no LOCAL_ECHO BLOCK_MODE no LOWERCASE UPPERCASE low BRDCSTMBX no MODEM no BROADCAST no PAGE 66 CRFILL 0 PARITY no DEC_CRT no PASTHRU yes DEC_CRT2 no PRINTER_PORT no DIALUP no READSYNC DISCONNECT REGIS no DMA REMOTE ECHO SECURE_SERVER EDIT_MODE no SET_SPEED no EIGHT_BIT yes SIXEL_GRAPHICS no ESCAPE SOFT_CHARACTERS no FALLBACK SPEED 9600 FRAME SYSPASSWORD no FORM yes TAB yes FULLD...

Page 42: ...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 INSTALLATION AND CHECKOUT 2 19 ...

Page 43: ...ls and indicators available on the 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 CONTROLS AND INDICATORS 3 1 ...

Page 44: ...Figure 3 1 Power Switch POWER SWITCH CIRCUIT BREAKER POWER CABLE INTERFACE CABLE RE_UK00247A_89 3 2 CONTROLS AND INDICATORS ...

Page 45: ...on 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: ...nel 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 A three key keypad The key markings are TEST CLR FORM FEED ON LINE Figure 3 3 Outer Control Panel FORM LOADED READY OUTER CONTROL PANEL RE_UK00710M_89 TEST CLR FORM FEED ON LINE 3 4 CONTROLS AND INDICATORS ...

Page 47: ...ing 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 When the LG31 is off line the form feed operation is not dependent upon the setting of printer control strap 26 ON LINE When this key is pres...

Page 48: ...Figure 3 4 Cover Interlock Switch TOP COVER INTERLOCK SWITCH INTERLOCK SWITCH TOP ENCLOSURE RE_UK00963A_89 3 6 CONTROLS AND INDICATORS ...

Page 49: ... all operational functions of the LG31 These include Performing the same functions as the outer control panel Modifying print parameters Modifying serial interface parameters Performing diagnostics The inner control panel see Figure 3 6 includes A three digit seven segments each three dot display An audio alarm An initialization switch A ten key keypad the keypad markings are 0 TEST CLR 1 PRG CONT...

Page 50: ...d per form the functions indicated by their respective legends However once Program PRG mode is entered the 10 keys are assigned new functions which are automatically printed to guide the operator see Appendix C for a complete listing The pushbuttons may also be regarded as soft pushbuttons in Function FCT Select mode see Appendix C for a com plete listing All the available selections of print par...

Page 51: ...00101000001000 Interface Straps B 0 1 2 3 12345678901234567890123456789012 01000100000000000000000000000000 Speed 9600 Parity Even 5 Margin Settings columns Left Margin None Right Martin 132 6 Horizontal Tabs columns 009 017 025 033 041 049 057 065 073 081 089 097 105 113 121 129 137 145 153 161 169 177 185 193 201 209 217 7 Vertical Tab stops 8 Printer Control Straps Printer Straps A 0 1 2 3 1234...

Page 52: ...are display illuminated during self tests When illuminated the dots indicate Left dot FCT MODE Printer is in Function Selection state Press 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...

Page 53: ...LINE CPI LPI FONT FCT SET TOF RE_UK00709M_89 0 1 2 3 4 5 6 7 8 9 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 You can initialize it using the procedure detailed in Chapter 4 Section 4 5 1 In normal operation the switch is in the leftmost position CONTRO...

Page 54: ...lignment patterns top of form adjust reverse form feed buffer clear forms setup and margin setup Return to off line printer operation from any of these operations by pressing 0 TEST CLR key See Fig ure 3 9 for a map of the function select combinations 3 Program Pressing the 1 PRG key causes the current configura tion to be printed and places the printer in the programming state In the programming ...

Page 55: ...ATTERN 1 72 FORWARD 1 72 REVERSE BUFFER CLEAR EXIT TO LINE BUFFER CLEAR REVERSE FORM FEED FORMS SAVER MODE EXIT TO OFF LINE REVERSE FORM FEED FCT TEST CLR PRG FEED FORM SET TOP ON LINE LINE FEED ON LINE TEST CLR ON LINE FCT 3 1 9 PRG 2 PRG FEED FORM ON LINE LINE FEED CPI LPI PAPER REV FONT 0 0 2 3 9 8 4 3 0 1 2 4 5 6 7 TEST CLR MARGIN SETUP EXIT OFF LINE DECREMENT COLUMN COUNT to left INCREMENT CO...

Page 56: ...strap 16 is set functions the same as off line Otherwise no operation 4 LINE FEED Advances paper one line based on current LPI setting When pressed and held down for one second consecutive line feeds are performed at the rate of approximately three steps per second If printer strap 16 is set functions the same as off line Otherwise no operation 5 CPI LPI Alternately displays CPI and LPI each time ...

Page 57: ...ssed Holding key down causes available font styles CPI to be displayed on a rotating basis The setting displayed when the key is released becomes the active selection When a new font is selected the horizontal spacing is initially set to the default spacing for the particular font Displays for standard draft and Near Letter Quality NLQ are displayed only once No operation F o n 1 0 1 2 1 3 1 5 1 6...

Page 58: ...tion Mode Summary State Key INITIALIZATION FORM SETUP PRINT REVIEW FORMS ADJUST MARGIN SETUP REVERSE FORM FEED BUFFER CLEAR Press 1 Press 2 Press 3 Press 4 Press 5 Press 6 Press 7 Refer to Chapter 4 for the above function mode procedures 3 6 Paper Tension Lever The paper tension lever adjusts the pressure that the paper tensioning fingers apply to the paper see Figure 3 10 There is a PAPER THICK N...

Page 59: ...ale as the PAPER THICKNESS scale Adjust this and the paper tension lever to obtain the best print quality Figure 3 10 Paper Tension Lever Print Gap Control Margin Adjust UPPER LEFT PAPER TRACTOR PAPER GAP ADJUSTER MARGIN ADJUSTMENT KNOB PAPER THICKNESS SCALE PAPER TENSION ADJUSTMENT LEVER RE_UK00966A_89 3 8 Margin Adjust Knob The margin adjust knob adjusts the horizontal position of the paper in t...

Page 60: ...parameters in the LG31 printer listed in the configuration menu that are settable when you enter the program mode Font this contains six subcategories Lines Per Inch Forms Control Interface Control this contains four subcategories Margin Settings Horizontal Tabs Vertical Tab Stops Printer Control Straps When entering the program mode you can select one or more of the categories for modification be...

Page 61: ...face 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 A BC22D 25 cable is supplied to connect the host to the LG31 printer The RS 232 C signals and the associated pins on the interface connector are given in Table 4 1 The DIGITAL serial protocol is ...

Page 62: ...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: ...use of CA signal A8 A16 A24 A32 5 CB CTS See Notes 3 and 4 To Printer Clear to Send Set by printer Transmission is not inhibited and it can operate with the host Printer is capable of transmitting if DC1 DC3 or BREAK protocol is used If Serial Interface strap B4 is IN the host may use CC to inhibit printer transmit 6 CC DSR See Note 3 To Printer Data Set Ready When enabled by serial interface stra...

Page 64: ...on A negative level is a mark and a positive level is a space When released this line should be in Mark condition 2 When using XON XOFF parity must be set to match the host 3 CC is strap dependent CB is not strap dependent Regard less of how the printer is strapped the host may always use CB to inhibit transmit 4 CB must be positive or the lead open circuit for DC1 DC3 protocol For this protocol C...

Page 65: ... 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 5 To exit from the category back to the program mode press the 0 key 6 Press the 0 key to return to the configuration menu 7 To retu...

Page 66: ...1000 Interface Straps B 0 1 2 3 12345678901234567890123456789012 01000100000000000000000000000000 Speed 9600 Parity Even 5 Margin Settings columns Left Margin None Right Martin 132 6 Horizontal Tabs columns 009 017 025 033 041 049 057 065 073 081 089 097 105 113 121 129 137 145 153 161 169 177 185 193 201 209 217 7 Vertical Tab stops 8 Printer Control Straps Printer Straps A 0 1 2 3 12345678901234...

Page 67: ...ap B subcategory the strap number is displayed in the left two digits 33 64 of the display The right digit indicates whether the strap is in i or out o These straps control the response of the LG31 to the host data 4 Speed baud rate There are nine baud rates to select from 5 Parity There are four parity options To select the interface control category of parameters see Figure 4 2 1 Place the print...

Page 68: ...iguration menu P r o is displayed Press the 0 key and the printer will return to the configuration menu level P r o is displayed 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: ...UT 3 Forward Without change 4 Reverse Without change Interface Straps A 0 1 2 3 12345678901234567890123456789012 00001000000010000000101000000000 Interface Straps B 0 1 2 3 12345678901234567890123456789012 11000100000000000000000000000000 Press the number 0 to return to normal operation To continue modification select 1 8 4 10 SETTING COMMUNICATIONS AND PRINT PARAMETERS ...

Page 70: ... 2 Interface Straps A 3 Interface Straps B 4 Speed 5 Parity Speed 0 Exit 1 110 2 300 3 600 4 1200 5 1800 6 2400 7 4800 8 9600 9 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: ... select 1 8 Note The space and mark options are available in 7 bit mode only In 8 bit mode these options are not selectable and are not printed Figure 4 7 Interface Control Type Interface Control 0 Exit 1 Interface Type 2 Interface Straps A 3 Interface Straps B 4 Speed 5 Parity Interface Type 0 Exit 1 Serial Interface Type Serial Press the number 0 to return to normal operation To continue modific...

Page 72: ...ble NO FAULT FAULT status by means of SCA pins 11 and 19 A13 Enable NO FAULT FAULT to cause transmission of XON XOFF codes A14 Enable NO FAULT FAULT to cause transmission of a 200 msec BREAK A15 Enable NO FAULT FAULT to turn off circuit CD A16 Enable NO FAULT FAULT to turn off circuit CA SELECT CONTROL A17 Not assigned A18 Not assigned A19 Not assigned A20 Enable ON LINE OFF LINE status by means o...

Page 73: ...to inhibit transmit B5 Replaces underline character with CR B6 Seven and eight bit data accepted B7 B32 Not assigned NOTE The configuration menu prints out strap status in serial inter face in two rows A1 A32 and B1 B32 The LED display how ever shows 1 through 64 with 33 64 being equivalent to B1 B32 4 4 Print Characteristics The rest of the configuration entries control the form and location of t...

Page 74: ...n menu 3 Press the 1 key The LG31 printer will list the font options see Figure 4 8 4 Press the key with the same number as the desired font option 5 Follow the procedure in the related section as follows There are no mode options available The response of the LG31 printer to mode selection is shown in Figure 4 8 Figure 4 8 Font Menu FONT 0 Exit 1 Style 2 CPI 3 Country 4 Mode 5 Horizontal Expansio...

Page 75: ... select the style subcategory of parameters see Figure 4 9 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 3 Press the 1 key The LG31 will print the list of print styles available 4 Press the key with the same number as the desired style 3 sel...

Page 76: ...gory of parameters see Figure 4 10 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 3 Press the 2 key The LG31 will print the list of CPI available 4 Press the key with the same number as the desired CPI 3 selects 12 CPI 5 Press the 0 key to re...

Page 77: ...ontinue Country 0 Exit 1 JIS Roman 2 DEC Norway Denmark 3 Spain 4 DEC Sweden 5 DEC Swiss 6 ISO Norway Denmark 7 DEC Portuguese Country US ASCII Press the number 0 to return to normal operation To continue modification select 1 8 To select the character set subcategory of parameters see Figure 4 11 1 Place the printer off line O F L is displayed If the printer is on line O n L is displayed press th...

Page 78: ... list the rest of the character sets available Perform step 4 6 Press the 0 key to return the LG31 printer to off line operation O F L is displayed 4 4 1 4 Mode Figure 4 12 Font Mode FONT 0 Exit 1 Style 2 CPI 3 Country 4 Mode 5 Horizontal Expansion 6 Vertical Expansion Mode Cannot change character attributes from the menu 0 Exit Mode Normal Press the number 0 to return to normal operation To conti...

Page 79: ...of parameters see Fig ure 4 13 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 3 Press the 5 key The LG31 will print the list of horizontal expan sions available 4 Press the key with the same number as the desired expansion 2 selects the times...

Page 80: ...ameters see Fig ure 4 14 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 3 Press the 6 key The LG31 will print the list of vertical expansions available 4 Press the key with the same number as the desired expansion 3 selects the times three ve...

Page 81: ...l list the LPI options see Figure 4 15 4 Press the key with the same number as the desired LPI option 3 is 10 lines per inch 5 Press the 0 key to return the LG31 printer to off line operation O F L is displayed 4 4 3 Forms Control Setting the forms control see Figure 4 16 differs from the other printing characteristic setups in that you normally perform a sequence of settings and that the last set...

Page 82: ... displayed The LG31 printer will print the configuration menu 3 Press the 3 key The LG31 printer will list the forms control options see Figure 4 14 4 Press and hold the 2 key until the top of the sheet aligns with the notches in the upper tractors 5 Press the 4 key to start the line count The display is 0 0 0 6 Press and hold the 2 key until you reach the desired top margin The display reads the ...

Page 83: ...argin Settings columns Left Margin None Right Margin 132 Press the number 0 to return to normal operation To continue modification select 1 8 You can set the margin settings from either the function mode see Section 4 5 5 or the program mode to select the margin settings category in the program mode 1 Place the printer off line O F L is displayed If the printer is on line O n L is displayed press ...

Page 84: ...splayed The 5 key sets the margins to the default values and the 8 key displays the current column position 4 4 5 Horizontal Tab Stops The horizontal tabs cannot be set from the configuration menu The response of the LG31 printer to a horizontal tab entry is shown in Figure 4 18 Figure 4 18 Horizontal Tab Stops Horizontal Tab Stops Cannot set horizontal tabs from the menu 0 Exit Horizontal Tabs co...

Page 85: ...aps A There are 32 A software straps that you can define as in or out When you enter the interface strap A sub category the strap number is displayed in the left two digits 1 32 of the display panel The right digit indicates whether the strap is in i or out o 2 Printer Control Straps B There are 32 B software straps that you can define as in or out When you enter the interface strap B sub category...

Page 86: ...continue modification select 1 8 End of Program Mode 3 Press key 8 The printer will list the options available see Fig ure 4 20 The interface straps and their present condition are listed in the configuration menu 4 Press the 3 key until the number of the desired strap shows in the display 5 Press 1 to enable the strap an i on the display 6 Press 2 to disable the strap an o on the display 7 Press ...

Page 87: ...on process The procedures for performing these operations are contained in the following sections 4 5 1 Printer Initialization There are two ways to initialize the LG31 printer 1 Through the control panel 2 Through the initialization switch 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 ...

Page 88: ...0 Interface Straps B 0 1 2 3 12345678901234567890123456789012 01000100000000000000000000000000 Speed 9600 Parity Even 5 Margin Settings columns Left Margin None Right Martin 132 6 Horizontal Tabs columns 009 017 025 033 041 049 057 065 073 081 089 097 105 113 121 129 137 145 153 161 169 177 185 193 201 209 217 7 Vertical Tab stops 8 Printer Control Straps Printer Straps A 0 1 2 3 12345678901234567...

Page 89: ...ithout any changes O F L or 3 ON LINE Resets the printer parameters to their respective Reset State C S U 8 8 8 i P 8 8 8 O F L 9 FCT To initialize printer configuration to default conditions IS U 8 8 8 i P 8 8 8 O F L NOTE A user s configuration menu selections are reset to factory settings as a result of a defective battery or unintentional operation of the initialization switch on the inner con...

Page 90: ...cur Minimum form length is one line Maximum form length is 559 mm 22 0 in The Form Setup procedure is shown in Table 4 5 CAUTION Although the entire length of the form is available for printing top and bottom margins are recommended in order to avoid printing on paper perforations and print wire snagging Prior to pressing key 4 LINE FEED press any paper motion key to advance paper as appropriate a...

Page 91: ... L 1 PRG Form feeds one form length F S U 2 FORM FEED Forward line feed in accordance with current LPI setting If pressed and held for more than one second consecutive line feeds occur at the rate of one each 0 5 of a second F S U 3 ON LINE Reverse line feed in accordance with current LPI setting If pressed and held down for one second consecutive paper reverse line feed steps occur at the rate of...

Page 92: ...rm Setup mode In performing the following TOF set procedure it is assumed that the Form Setup mode has already been entered but key 4 LINE FEED has not been pressed and that the printer is set for 6 LPI Top Of Form TOF Set Procedure 1 Press key 2 FORM FEED again and hold down to move the first line of the form even level with the print line location Top of paper line feeds to desired TOF even with...

Page 93: ...print line of next form Display is O F L During steps 3 5 or 7 in the above TOF set procedure if the counter goes beyond the desired number of lines press key 3 ON LINE to subtract excess lines from the display counter NOTES 1 When a new supply of forms is needed and the same form is used it is only necessary to align the top perforation with the notches in the paper locking levers upper tractors ...

Page 94: ...s print quality adjustment should only be performed by a qualified technician Table 4 6 Print Review Procedure Action Results Display Press 3 ON LINE Printer goes to off line O F L Press 9 FCT Printer enters Function Selection mode F n c Press 3 ON LINE Printer enters Alignment mode Cancels any existing special print modes A d j At this point the options are 0 TEST CLR Exits from Adjustment to off...

Page 95: ...e current form up or down on the paper after the form parameters are set by TOF Set procedure using the Forms Control item 3 in the Configuration Menu see Chapter 3 Moving paper forward causes the current top of form to be displaced downward on the paper moving the paper in the reverse direction causes the form to be moved upward on the paper The form limits and Top Of Form using the paper tractor...

Page 96: ...FF LINE and feeds to top of next form in accordance with current length O F L 1 PRG Prints rotating test pattern see NOTE F A d 4 LINE FEED Advances paper 0 23 cm 1 72 inch F A d 6 PAPER REV Moves paper 0 23 cm 1 72 inch in reverse direction F A d NOTE The pattern begins and continues when key 1 PRG is pressed and held The pattern stops when the key 1 PRG is released The Forms Adjustment mode is s...

Page 97: ...unts column position to the left 1 3 2 to 0 0 0 2 FORM FEED Counts column position to the right 0 0 0 to 1 3 2 3 ON LINE Sets left margin 0 0 0 Factory Setting 4 LINE FEED Sets right margin 1 3 2 Factory Setting 5 CPI LPI Clears margin to default values 000 and 132 for 10 CPI Also see Margin vs Character Pitch procedure below L r S 6 PAPER REV Displays current right margin 1 3 2 7 FONT Displays cu...

Page 98: ...FORM FEED for five column counts and release Display increases to 0 0 5 and stops 3 Press key 3 ON LINE to set left margin Display remains at 0 0 5 NOTE The column displayed is one less than the column in which printing will begin 4 Press key 6 PAPER REV to display right margin Display is 1 3 2 5 Press and hold key 1 PRG for five column counts and release Display decreases from 132 to 1 2 7 and st...

Page 99: ...ide them The only exception to this rule for vector drawing The vector sequence is capable of drawing outside the margins When character pitch is changed and the same physical margins are desired it is necessary to reset the margins before any data is sent Changing the horizontal pitch resets left and right margins to the printable limits column 1 and the rightmost position 4 5 6 Reverse Form Feed...

Page 100: ...n Results Display Press 3 ON LINE Printer goes off line O F L Press 9 FCT Printer enters Function mode F n c Press 7 FONT Printer enters Buffer Clear mode O F L At this point the options are 0 TEST CLR Exits from Buffer Clear to off line O F L 7 FONT All information in the printer s buffer is cleared C L r SETTING COMMUNICATIONS AND PRINT PARAMETERS 4 41 ...

Page 101: ...he printing self tests 5 2 1 Power Up Self Tests The LG31 printer automatically self tests upon power up and includes the following diagnostic tests ROM checksum test to verify all bits of ROM RAM pattern test to exercise and verify all bits of RAM Additionally further self test operations can be programmed into the printer to check internal logic at power up with detected faults displayed at the ...

Page 102: ... fault codes Figure 5 1 ASCII Print Test Pattern Sample Printout 0123456789 ABCDEFGHIJKLMNOPQRSTUVWXYZ 0123456789 ABCDEFGHIJKLMNOPQRSTUVWXYZ _ 0123456789 ABCDEFGHIJKLMNOPQRSTUVWXYZ _ 0123456789 ABCDEFGHIJKLMNOPQRSTUVWXYZ _ a 0123456789 ABCDEFGHIJKLMNOPQRSTUVWXYZ _ ab 0123456789 ABCDEFGHIJKLMNOPQRSTUVWXYZ _ abc 0123456789 ABCDEFGHIJKLMNOPQRSTUVWXYZ _ abcd 0123456789 ABCDEFGHIJKLMNOPQRSTUVWXYZ _ abc...

Page 103: ...e self test is executed 8 8 8 is displayed again If no faults are found O F L is displayed If a fault is detected the appropriate fault code is displayed refer to Chapter 5 Table 5 2 The first fault detected is displayed Key indicates three character LED display 5 2 3 1 Print Test Pattern The characters printed consist of all printable ASCII characters They will be in the last selected locally or ...

Page 104: ...Timer at U30 to CPU at U3 circuit 0 8 0 SMSM DMA includes U37 U38 U42 U43 U50 U54 I n F No operational interface found 4 2 0 SMIM Lithium Battery BT1 see Table 7 2 4 4 0 SMIM RAM U19 U22 circuit chip 2K or 8K may be located in sockets U19 U22 4 9 0 SMMC Shuttle Motor Drive 4 9 1 SMMC Shuttle Frequency out of range 4 9 2 SMIH Imaging Hardware failure SMMC LVT Shuttle Motor 4 9 3 SMMC or SMIH board ...

Page 105: ...icates chip number at fault 5 2 9 SMSM NVRAM 5517L in U29 5 3 0 SMSM timer chip 8253 in U30 5 3 1 SMSM Interrupt Controller 8259A in U31 5 4 7 SMSM ROM U47 5 4 8 SMSM ROM U48 5 4 9 SMSM ROM U49 F 0 0 Data processing 10 CPI font check sum fault F 0 1 Data processing 12 CPI F 0 2 Data processing 13 3 CPI F 1 0 Gothic NLQ 10 CPI F 1 2 Gothic NLQ 12 CPI F 1 3 Gothic NLQ 13 3 CPI F Gothic NLQ 15 CPI F ...

Page 106: ...stallation of new font chips check that the new chips are correctly installed 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 While the alignment is to be performed by service personnel the test patterns can...

Page 107: ...on 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 PRINTER OPERATION 6 1 ...

Page 108: ...e 377 8 mm 14 7 8 in wide or wider paper to avoid possibility of printing on striker bar and possible damage to actuator wires 4 Open printer front door 5 Cut top from box of fan fold paper to avoid snagging of paper as it is fed to tractors Place box of paper on shelf as shown in Figure 6 3 6 Open upper paper tractor covers Hand feed paper up through printer behind paper tensioning adjustment fin...

Page 109: ... by flipping lever upward and slide tractor horizontally to match paper width 8 Close tractor covers Slide right tractor slightly to the right to tension paper Lock tractor in place Excessive tension will cause pin hole deformation and degrade paper stacking 9 Applying a slight downward tension load paper on lower tractors as in steps 6 to 8 for upper tractors see Figure 6 3 10 Set Paper Gap Adjus...

Page 110: ...re 6 3 Paper Loading Lower Tractor RE_UK00967A_89 COOLING FAN TRACTORS PAPER DRIVE MECHANISM PAPER SUPPLY PAPER TENSION ADJUSTMENT FINGERS PAPER LOW SWITCH LOWER TRACTOR LOWER TRACTOR 6 4 PRINTER OPERATION ...

Page 111: ... position 3 Clear the c o cover open error indicator by pressing the text CLR push button NOTE In replacing the ribbon cartridge paper thickness remains unchanged note the paper gap adjuster setting for use in step 7 4 Turn print gap adjuster clockwise to LOAD position for maximum opening see Figure 6 4 Figure 6 4 Ribbon Cartridge Installation Paper Gap Adjuster Setting UPPER LEFT PAPER TRACTOR PA...

Page 112: ...ting to resume If display S U S persists for more than one minute it may be caused by a damaged ribbon or defective ribbon weld detector 6 Remove the old ribbon cartridge 7 Turn knurled knob on new ribbon cartridge clockwise to remove any slack in ribbon see Figure 6 5 Be sure re inker is ON rotated fully clockwise Figure 6 5 Ribbon Cartridge Installation Holddown and Re Inker RE_UK01414A_89 PLAST...

Page 113: ...g or to a setting appropriate to new paper thickness 11 Close door in printer top enclosure and press the ON LINE push button 12 Clear the Striker Bar Open S b o fault indicator by pressing the TEST CLR push button once 13 Perform a printing self test Refer to Section 5 2 2 NOTE When the printer quality starts fading turn the re inker on see Section 6 4 6 4 Re Inking Ribbon Turn the ribbon re inke...

Page 114: ... the associated keys on the control panel 2 In off line mode when printer control strap A26 is IN directly from the associated keys on the control panel 3 In program mode from the configuration menu see Chapter 4 4 In function mode see Chapter 4 The off line method is given in the following sections 6 5 1 Form Feed To perform a form feed operation place the printer off line O F L is displayed Pres...

Page 115: ...ostepping To perform a reverse microstep operation 1 72 inch increment place the printer off line O F L is displayed Press the PAPER REV key See Chapter 4 Section 4 4 3 and 4 5 2 for alternate methods 6 5 5 Reverse Form Feeds 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 ...

Page 116: ... remains in the printer At this point a choice may be made to discontinue printing or enter the Low Paper Print LPP mode and continue printing for a maximum of 21 3 cm 8 4 in During the LPP mode the key 6 PAPER REV is inoperative but works normally during paper out P O and striker bar open S b o so that Top Of Form can be set The low paper printing procedure is shown in Table 6 1 Note Setting the ...

Page 117: ...and data transmission continues to the end of form When paper is replenished printing continues on the first form of the new supply with correct vertical positioning maintained Lines terminated with CR bold print underline will move paper normally until bottom of form is reached and LPP mode is terminated Receipt of FF terminates LPP mode Receipt of VT VPR forward VPA see NOTE 1 or EVFU command mo...

Page 118: ...d Paper moves to first print position of next form and printing resumes Displayed is O F L Paper out condition is cleared NOTE To discontinue printing at LOW PAPER indication carry out the following steps Press 3 ON LINE Press 0 TEST CLR Display changes to O F L Displayed alternately between L P P and O F L Buffered lines are printed Press 0 TEST CLR again Displayed alternately between P o and O F...

Page 119: ...ul primarily to application program mers or customer service representatives as a program debugging or troubleshooting tool To enable HEX DUMP set the printer control strap A32 IN Place the printer on line HEX DUMP causes data received from the host to be printed out in hexadecimal ASCII form instead of normal printing A sample is shown below The hexadecimal printout is shown on the left side and ...

Page 120: ...49 58 20 41 20 48 45 58 20 44 55 4D 50 20 45 HIS A HEX DUMP E 58 41 4D 50 4C 45 20 50 52 49 4E 54 45 44 20 41 XAMPLE PRINTED A 54 20 41 20 50 49 54 43 48 20 4F 46 20 31 30 20 T A PITCH OF 10 49 50 49 2E 20 49 4E 20 44 2E 50 2E 20 46 4F 4E CPI IN D P FON 54 OD 00 00 00 00 00 00 00 00 00 00 00 00 00 00 T When data transmission is ended and HEX DUMP is no longer needed be sure to place the printer in...

Page 121: ...ac power cable from the power outlet 2 Remove the ribbon cartridge and wipe away any accumulation of dust from the ribbon guide striker bar area 3 Remove paper lint chaff accumulations inside the printer with a soft brush or vacuum The striker bar area and the paper supply compartment are especially prone to paper dust and dirt build up 4 Reinstall or replace the ribbon cartridge if print legibili...

Page 122: ...ts Refer to qualified service personnel Table 7 1 Possible Mechanical Problems and Remedies Observed Problem Probable Cause and Remedies Printer will not print Display is P o Out of paper Install paper if forms align paper with notches in top tractors When paper is inserted in bottom tractors paper out switch is pressed and the fault cleared Printer is off line Press ON LINE key to print Printer w...

Page 123: ...f paper pin feed holes tractor disengagement from holes paper tearing Excessive paper tension Reduce tension by readjusting paper tension adjust lever to lower setting 1 maximum 6 minimum Weak or absent printing in some columns degraded print quality in one decimeter 4 3 inch wide zone of the print area Display is A c 1 A c 2 or A c 3 Defective print actuator module Call a service engineer to repl...

Page 124: ... 4 Selected speed baud rate not compatible with data source Reset speed see Chapter 4 Parity selected is not compatible with data source Reset printer parity type see Chapter 4 S L o Slow printing This display flashes while the print rate is reduced by the thermal throttle Normally occurs only during high density printing No damage occurs printing continues at reduced speed Automatically clears wh...

Page 125: ...ock up with one or both of these codes Press the reset twice to clear and then perform the power up reset sequence detailed in Table 4 4 followed by the initialization procedure in Table 4 3 If the fault recurs after power off the error codes are valid as in 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 Func...

Page 126: ...acter Set U S ASCII GR Character Set Digital Supplemental G0 Character Set U S ASCII G1 Character Set VT100 Graphic Character Set G2 Character Set Digital Supplemental G3 Character Set U S ASCII Autowrap Enabled Line Feed New Line Mode Set Horizontal tabs At every 8 columns 9 17 137 Unsolicited reports Disabled Super Subscripts Disabled Carriage Return New Line Mode Reset Vertical Tabs Every line ...

Page 127: ...G31 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 Vertical Pitch Font Top of Form Forms Length Top and Bottom Margin Left and Right Margin Autowrap Line Feed New Line Carriage Return New Line Mode Horizontal Tabs Vertical Tabs GL Character Set GR Charact...

Page 128: ... input the printer is set to the default settings see Table 7 6 A RESET sequence does not change the following Any interface settings National Replacement Character NRC set Top of Form The above parameters remain as previously selected either through escape sequences or through the inner control panel 7 8 OPERATOR MAINTENANCE ...

Page 129: ...SCII or the last NCR if selected GR Character Set Digital Supplemental G0 Character Set U S ASCII or the last NCR if selected G1 Character Set VT100 Graphic Character Set G2 Character Set Digital Supplemental G3 Character Set U S ASCII Autowrap Enabled Line Feed New Line Mode Set Horizontal tabs At every 8 columns 9 17 137 Unsolicited reports Disabled Super Subscripts Disabled Carriage Return New ...

Page 130: ...to the printer s operational status LED DISPLAY LIST Display Meaning A c X Head test or SHAD board X indicates module number of bad actuator 1 left 2 middle 3 right A d j Printer enters adjustment mode A P L Amplitude pattern c b P Checkerboard pattern c h r Character C L r Printer enters buffer clear mode c o Cover open C P I Characters per inch C S U Customer setup LED DISPLAY LIST A 1 ...

Page 131: ...3 3 CPI F Gothic NLQ 15 CPI F 3 0 Italic NLQ 10 CPI F 3 1 Italic NLQ 12 CPI F 3 2 Italic NLQ 13 3 CPI F 8 0 Bar code F 9 0 Oversize characters H t P Horizontal timing pattern I n F No operational interface found IS U Initialize printer to default conditions while in initialization mode L o P Low paper L P P Low paper printing Permits printing after Low Paper is detected L r S Margin setup mode L P...

Page 132: ...ithium Battery BT1 see Table 7 2 0 2 2 SMSM has insufficient RAM 0 4 X SMSM RAM display indicates chip number at fault For U41 X 1 for U42 X 2 and so forth 0 5 0 SMSM memory failed to switch U9 U13 U18 U25 U32 U35 U42 0 5 5 SMSM switchable RAM failure PD4016C 2 in U11 and U21 0 6 0 SMSM 7 5 interrupt failure Timer at U30 to CPU at U3 circuit 0 8 0 SMSM IMA includes U37 U38 U42 U43 U50 U54 1 0 0 Mi...

Page 133: ...e image processor 8 8 8 Used to test all the LED lights when power is turned ON Lasts only a few seconds i P Indicates self test in progress Lasts for several seconds after power on sequence i 9 P Intermodule gap return i 1 3 SMIM image processor timer chip 8253 in U13 i 1 4 SMIM interrupt controller 8259A in U14 i 2 1 SMIM ROM U19 U24 U38 U39 image processor ROM display indicates chip number at f...

Page 134: ...thic NLQ while selecting from the menu 0 0 0 through 2 2 0 Counter used during certain function modes 0 1 o through 3 3 o The first two digits indicate the currently selected software strap The third digit indicates either o for strap out or i for strap in n 0 5 O c A n 1 2 n 1 5 1 6 E When OCR A is selected n 0 5 O c b n 1 2 n 1 5 1 6 E When OCR B is selected LED DISPLAY LIST A 5 ...

Page 135: ...METER 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: ... Style 44A511367 Dataprocessing CPI 10CPI Country US ASCII Mode Normal Horizontal Expansion X1 Vertical Expension X1 2 LPI 6Ipi 3 Forms Control Lines Forms Length 66 Top Margin 01 Bottom Margin 66 4 Interface Control Interface Type Serial Input Buffer Length 2304 Interface Straps A 0 1 2 3 12345678901234567890123456789012 00001000000010000000100000000000 Interface Straps B 0 1 2 3 1234567890123456...

Page 137: ...TTERN 1 72 FORWARD 1 72 REVERSE BUFFER CLEAR EXIT TO LINE BUFFER CLEAR REVERSE FORM FEED FORMS SAVER MODE EXIT TO OFF LINE REVERSE FORM FEED FCT TEST CLR PRG FEED FORM SET TOP ON LINE LINE FEED ON LINE TEST CLR ON LINE FCT 3 1 9 PRG 2 PRG FEED FORM ON LINE LINE FEED CPI LPI PAPER REV FONT 0 0 2 3 9 8 4 3 0 1 2 4 5 6 7 TEST CLR MARGIN SETUP EXIT OFF LINE DECREMENT COLUMN COUNT to left INCREMENT COL...

Page 138: ...0199 00 LGK31 AI Italy English Power Cord 17 00364 01 LGK31 AJ 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...

Page 139: ...country kits include the following Kernel Documentation Kit EK OLG31 DK EK LG31E UG EK LG31E IN LG31 User Guide English LG31 Installation Operator s Manual English Binder and slipcase C 2 LG31 COUNTRY KITS ...

Page 140: ... control panels 1 2 3 3 inner 3 7 outer 3 3 to 3 5 controls and indicators 3 1 to 3 17 country kits 2 2 C 1 cover interlock 3 5 CPI 1 2 4 14 4 17 4 32 4 36 4 38 4 39 D diagnostic fault codes 5 4 5 6 display 3 10 display LEDs 3 10 E electrical problems 7 4 errors 5 4 5 6 F fault codes 5 4 5 6 features 1 5 font 4 14 character set 4 18 country 4 14 4 18 CPI 4 17 horizontal expansion 4 15 4 20 mode 4 ...

Page 141: ... 4 34 4 39 margins 4 38 margin settings 4 24 left 4 24 margin settings cont d right 4 25 mechanical problems 7 2 O operator troubleshooting 7 2 P paper motion 6 8 form feed 6 8 line feed 6 9 microstepping 6 9 forward 6 9 reverse 6 9 reverse form feed 6 9 paper tension lever 3 16 parity 4 8 power switch 3 1 power up 2 14 self test 2 14 printed circuit board PCB 1 4 printed circuit boards PCB 1 4 pr...

Page 142: ...3 R re inking ribbon 6 7 Resident Fonts 1 8 reverse form feed 4 40 RS 232 C signals 4 2 RS_232 C serial interface 1 4 S self tests 5 1 operational 5 2 power up 5 1 5 3 printing 5 2 serial interface 1 4 4 2 serial strapping options 4 13 to 4 14 specifications 1 6 speed baud rate 4 8 T top margin 4 22 4 23 U unpacking 2 2 procedure 2 3 V vertical tab stops 4 26 Index 3 ...

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