DataMetrics 4080B Operation And Maintenance Instructions

Thermal printers
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4080B THERMAL PRINTER
OPERATION AND
MAINTENANCE INSTRUCTIONS
DataMetrics Corporation
1717 Diplomacy Row
Orlando, Fl 32809
This manual is intended to function as an example ONLY and does not represent all configurations and options for this product.

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Summary of Contents for DataMetrics 4080B

  • Page 1 4080B THERMAL PRINTER OPERATION AND MAINTENANCE INSTRUCTIONS DataMetrics Corporation 1717 Diplomacy Row Orlando, Fl 32809 This manual is intended to function as an example ONLY and does not represent all configurations and options for this product.
  • Page 2 THE INTEREST OF THE UNITED STATES MAY REQUIRE, ONLY FOR INFORMATION OR EVALUATION WITHIN SUCH GOVERNMENT OR THE CONDITIONS OF (1) ABOVE. THIS STATEMENT SHALL BE INCLUDED ON ANY REPRODUCTION HEREOF. DataMetrics Corporation Phone: (407) 251-4577 1717 Diplomacy Row FAX: (407) 251-4588 Orlando, Fl 32809 info@datametrics.com...
  • Page 3 OPERATION AND MAINTENANCE RECORD OF CHANGES Date Revision Description of Change 040325 – INITIAL RELEASE DataMetrics Corporation...
  • Page 4: Table Of Contents

    Power and Data Cable Connections ............ 4.3.4. Field Power Distribution Unit ............. 4.4. Operating Procedures ..................4.4.1. Power Turn On ..................4.4.2. Annunciator Panel Functional Checks ..........4.4.3. Self Tests ..................... 4.4.4. Normal Operation................4.4.5. Power Turn Off ................... DataMetrics Corporation...
  • Page 5 6.12. DC Power Cable Assembly Replacement ............6.12.1. DC Power Cable Assembly Removal ..........6.12.2. DC Power Cable Assembly Installation..........6.13. 24 Vdc Cable Assembly Replacement .............. 6.13.1. 24 Vdc Cable Assembly Removal ............6.13.2. 24 Vdc Cable Assembly Installation ............. DataMetrics Corporation...
  • Page 6 OPERATION AND MAINTENANCE DataMetrics Corporation...
  • Page 7 PROGRAMMING/INTERFACE REQUIREMENTS ..........7.1. Introduction ....................... 7.2. Programming Requirements................7.2.1. Host-Provided Printer Control Codes ..........7.2.2. Printer-Provided Control Codes ............7.3. Interface Requirements ..................7.3.1. RS-232C Interface Electrical Characteristics........PREPARATION FOR RESHIPMENT ................ 8.1. General ......................8.2. Preparation for Reshipment................DataMetrics Corporation...
  • Page 8 OPERATION AND MAINTENANCE LIST OF ILLUSTRATIONS Figure Page DmC 4080B Printer....................... Printer Packaging ......................Printer Inspection ......................Printer Overall Functional Operation, Block Diagram ..........Controls and Indicators ....................Paper Loading (Side View, Door Open) ............... Paper Unloading......................Power, Data, and Ground Strap Connections..............
  • Page 9 ASCII 64-Symbol Printing Subset ................Control and Indicator Functions..................8-Bit Status Byte Format....................LED Fault Indicators ..................... Preventive Maintenance Materials ................First Level Test Equipment ................... Corrective Maintenance Equipment and Materials ............Fault Isolation........................ RS-232C Serial Interface ....................DataMetrics Corporation...
  • Page 10 However, personal preference may be taken into consideration. For example, if a ratchet is called for and personnel accomplishing the task prefer a speeder handle, then this tool may be used in place of the ratchet. Where special tools or fixtures are required and supplied, deviations are not permitted. DataMetrics Corporation viii...
  • Page 11 Under no circumstance should any person adjust equipment alone. A second person capable of rendering first aid should always be present. Personnel working with or near high voltages must be familiar with the methods of artificial respiration. DataMetrics Corporation...
  • Page 12: Introduction

    Model 4080B high-speed printer. 1.2. GENERAL DESCRIPTION The DmC 4080B high-speed printer is a dry-process, 4-1/4-inch-wide, thermal paper, 40 column, half-page printer of modular construction. As an option, the printer is capable of 80-column font side writing. The modular construction allows easy access for repairs and replacement of parts and assemblies.
  • Page 13 OPERATION AND MAINTENANCE Figure 1-1. DmC 4080B Printer DataMetrics Corporation...
  • Page 14 5.4 minutes (intermediate level) Temperature (Full MIL-SPEC): Operating -40°C to +50°C Storage -40°C to +71°C Humidity (operating) 0 to 95 percent, noncondensing Shock Yes (ruggedized) Vibration Yes (ruggedized) Altitude (operating) -30 to 4,750 meters Sand, dust, and fungus protection DataMetrics Corporation...
  • Page 15 OPERATION AND MAINTENANCE Table 1-2. Equipment Supplied Quantity Description Part Number Manufacturer High-speed 4080B printer (DC) full MIL-SPEC DmC (19059) Carrying case SBC Case Roll, thermal paper DmC (19059) Table 1-3. Equipment Required But Not Supplied Quantity Description Part Number...
  • Page 16: Preparation For Use And Installation Instructions

    PREPARATION FOR USE AND INSTALLATION INSTRUCTIONS 2.1. GENERAL This chapter provides preparation for use and installation instructions for the DmC 4080B high- speed printer, DmC part number 115700-105. Included in these instructions are printer unpacking and handling, inspection, installation requirements with dimensions, and cabling data.
  • Page 17 OPERATION AND MAINTENANCE Figure 2-1. Printer Packaging DataMetrics Corporation...
  • Page 18 OPERATION AND MAINTENANCE Figure 2-2. Printer Inspection DataMetrics Corporation...
  • Page 19: Installation Requirements

    Step 1. Place printer on mount and secure with mounting screws, lock washers, and flat washers (when used). Table 2-1. Input Power Receptacle J1 Pin Assignments Receptacle Pin Signal Name 24 Vdc 24 Vdc RTN + sense – sense DataMetrics Corporation...
  • Page 20 Closed Open Closed Serial (2400 baud) Open Closed Open Closed Serial (4800 baud) Closed Open Open Closed Serial (9600 baud) Open Open Open Closed Serial (19,200 baud) NOTE: Printer data transmittal is preset at a 9600 baud rate DataMetrics Corporation...
  • Page 21: Cabling Data

    To set printer data transmit baud rate, open the printer door, locate control circuit card assembly and press numbered side of DIP switch (U4) for closed, or press OPEN side for open in accordance with Table 2-3 for baud rate selection. DataMetrics Corporation...
  • Page 22 OPERATION AND MAINTENANCE Table 2-4. ASCII 64-Symbol Printing Subset Column Nonprinting Printing & ‘ (apos) < – > DataMetrics Corporation...
  • Page 23: General Theory Of Operation

    GENERAL THEORY OF OPERATION 3.1. INTRODUCTION This chapter contains a general theory of operation for the DmC 4080B high-speed printer. An overall functional description of operation and a description of the three functional sections of the printer and associated block diagrams are provided in this chapter.
  • Page 24: Printer Functional Sections

    The sensor assembly also is located in this section and is monitored by the control port section with signals going to the logic assembly in a polling sequence. The sensor assembly detects the presence or absence of paper (paper sensing function). DataMetrics Corporation...
  • Page 25: Operating Instructions

    OPERATING INSTRUCTIONS 4.1. INTRODUCTION Operating instructions for the DmC 4080B high-speed printer in this chapter contain a description of operating controls and indicators, and operating procedures. Operating procedures include the following: power turn on, paper removal and reloading, self tests, on-line operation, and power turn off.
  • Page 26 OPERATION AND MAINTENANCE Figure 4-1. Controls and Indicators DataMetrics Corporation...
  • Page 27: Paper Removal

    Press upward on both spring clips (3) to remove roll paper shaft (4) from retainer grooves in each side of door (2). Step 4. Pull roll paper and roll paper shaft (4) from door (2). Retain roll paper shaft for use with replacement roll paper. DataMetrics Corporation...
  • Page 28 OPERATION AND MAINTENANCE Figure 4-2. Paper Loading (Side View, Door Open) DataMetrics Corporation...
  • Page 29 OPERATION AND MAINTENANCE Figure 4-3. Paper Unloading DataMetrics Corporation...
  • Page 30: Power And Data Cable Connections

    The field power distribution unit (FPDU) is a dc-to-dc converter. The FPDU consists of two connectors, J1 and J2 (see Figure 4-5). J1 is connected to a 28 Vdc source (vehicle power). J2 is connected to the printer through the 24 Vdc power cable. Figure 4-4. Power, Data, and Ground Strap Connections DataMetrics Corporation...
  • Page 31: Operating Procedures

    Observe that POWER indicator (Figure 4-1) illuminates and printer performs built-in test (BIT ) (approximately 1 minute). The printer will perform the following sequence of events: ON LINE indicator off. Printer not ready signal sent to host. RAM test. EPROM test. Logic function test. Printhead loop test. DataMetrics Corporation...
  • Page 32: Annunciator Panel Functional Checks

    CCA. A failure causes the FAULT indicator and to illuminate and printer to remain off line. A printhead internal shifting loop test is performed to verify printhead data interface. A failure causes the FAULT indicators to illuminate and printer to remain off line. DataMetrics Corporation...
  • Page 33 ON LINE indicator. (b) If BIT fails, the FAULT indicator will illuminate, an NAK code and status byte is sent to the host, and the printer will remain off line waiting troubleshooting (Chapter 6). DataMetrics Corporation...
  • Page 34 OPERATION AND MAINTENANCE Figure 4-6. 40-Column Self-Test Printout DataMetrics Corporation...
  • Page 35 OPERATION AND MAINTENANCE Figure 4-7. 80-Column Test Printout DataMetrics Corporation...
  • Page 36: Normal Operation

    Set to 0: Fault condition, paper out, door open, printing, line feed (F), self test Set to 1: Paper out Set to 0: Parity error, always set to 0 (not used) Set to 1: Prevents host recognition as ACK or NAK code. Set to 1: Test in progress DataMetrics Corporation...
  • Page 37 Once with a pause Indeterminate: 1 of X SRUs Twice with a pause Control CCA Three times with a pause Power Supply CCA Four times with a pause Printhead ON steady (not blinking) Out of paper or door open DataMetrics Corporation...
  • Page 38: Preventive Maintenance And Testing

    PREVENTIVE MAINTENANCE AND TESTING 5.1. INTRODUCTION Preventive maintenance instructions for the DmC 4080B high-speed printer in this chapter contain cleaning, inspection, and testing to help prevent the necessity of future corrective maintenance. Refer to Chapter 6 for printer corrective maintenance.
  • Page 39 Open the front door of the printer assembly Make sure that the interior of the printer is free from dirt or corrosion If any of the above steps result in a failure replace the printer with a serviceable assembly. DataMetrics Corporation...
  • Page 40: First Level Cleaning

    Use lint-free cleaning cloth to dry isopropyl alcohol from surfaces. Step 4. Clean rollers (2) with isopropyl alcohol and a clean, lint-free cloth. Step 5. Clean printer interior and exterior with isopropyl alcohol and a clean, lint-free cloth. DataMetrics Corporation...
  • Page 41: Printhead Cleaning

    Step 2. Using cotton swabs dampened with isopropyl alcohol, clean printhead (3) printing sur- face and surrounding area until all foreign material is completely removed. DataMetrics Corporation...
  • Page 42: Testing

    Equipment Description 28 Vdc power supply DC power supply able to supply To simulate vehicle 28 Vdc to 28 Vdc FPDU Host computer Computer 286 or better with DOS To send/receive required codes 5.0 or higher to printer DataMetrics Corporation...
  • Page 43: Second Level Testing

    5.3.6. Testing Perform the procedures listed below: Step 1. Toggle the circuit breaker switch to the ON position. Verify that upon powering up that the power LED illuminates and all other LEDs illuminate momentarily. The paper DataMetrics Corporation...
  • Page 44 Verify that upon powering up that the power LED illuminates and all other LEDs illuminate momentarily. Paper also must advance approximately 1 inch from the paper slot. After initial power up, make sure that only the power LED and on-line LED remain illuminated. DataMetrics Corporation...
  • Page 45: Corrective Maintenance

    CHAPTER 6 CORRECTIVE MAINTENANCE 6.1. GENERAL Corrective maintenance instructions for the DmC 4080B high-speed printer in this chapter contain troubleshooting procedures, alignment/adjustment procedures, replacement procedures, and when applicable, a performance verification procedure for the printer. Equipment/material used for corrective maintenance are listed in Table 6-1.
  • Page 46 Calipers, 0-5 in., 0.001-in. increments Needle nose pliers, 4 in. Tweezers, 6 in. Flashlight 3. Flexible, numbered wire Commercial Wire identification markers 4. Tie wrap MS3367-5-9 or equivalent Secures cable assemblies 5. Digital multimeter AN/USM486 or equivalent Continuity/voltage check of cables DataMetrics Corporation...
  • Page 47 OPERATION AND MAINTENANCE Figure 6-1. Fault Isolation DataMetrics Corporation...
  • Page 48 Replace data cable, if necessary. 4. Remove the printer top cover. 5. Remove the data cable from J2 on the Controller CCA (refer to Figure 6-1). 6. Inspect the data cable connector P1 for damaged pins (Figure 6-1). DataMetrics Corporation...
  • Page 49 5. Inspect the motor cable assembly connector P1 for damaged pins. Replace motor cable assembly if necessary (refer to paragraph 6-7). 6. Inspect the Controller CCA assembly connector J6 for damaged pins. Replace the Controller CCA, if necessary (refer to paragraph 6-9). DataMetrics Corporation...
  • Page 50 Inspect both ends of the printhead cable assembly for damaged pins. If steps c. or d. result in a failure, replace the printhead cable assembly (refer to paragraph 6-6). If the problem cannot be resolved replace the printhead assembly (refer to paragraph 6-5). DataMetrics Corporation...
  • Page 51 Replace the Controller CCA, if necessary (refer to paragraph 6-9). 4. Make sure the connection between J3 on the Controller CCA and control panel cable assembly is secure. If the problem cannot be isolated, replace the control panel (refer to paragraph 6-8). DataMetrics Corporation...
  • Page 52 8. Remove the battery cable assembly from the battery. 9. Perform a continuity check on the battery cable assembly. Replace the battery cable assembly if step 9 resulted in a failure. If the problem cannot be isolated, replace the Power Supply CCA (refer to paragraph 6-10). DataMetrics Corporation...
  • Page 53 If step 10 results in a failure, replace the FPDU (refer to paragraph 6-17). 11. Toggle the power OFF on the FPDU. 12. Reconnect the 24 Vdc cable to J2 on the FPDU. 13. Remove the dc power cable assembly from J1 on the Power Supply CCA. DataMetrics Corporation...
  • Page 54 Inspect both ends of the printhead cable assembly for damaged pins. If steps c. or d. result in a failure, replace the printhead cable assembly (refer to paragraph 6-6). If the problem cannot be resolved, replace the printhead assembly (refer to paragraph 6-5. DataMetrics Corporation...
  • Page 55 OPERATION AND MAINTENANCE Figure 6-2. RS-232 Data Cabling DataMetrics Corporation...
  • Page 56 OPERATION AND MAINTENANCE Figure 6-3. Circuit Breaker Cable Assembly Replacement DataMetrics Corporation...
  • Page 57: Operator Remove And Replace Procedures

    Do not begin procedure for 1 minute after power is removed. 6.3.1. Operator Remove and Replace Procedures The operator remove and replacement consists of removing and replacing either the carrying case or printer with a serviceable assembly. DataMetrics Corporation...
  • Page 58 Toggle the FPDU power switch to OFF prior to removing the 24 Vdc cable from J1 on the rear of the printer assembly. Step 3. Remove the battery from the carrying case. Step 4. Slide the printer out of the carrying case with the data and power connectors still con- nected to the printer. DataMetrics Corporation...
  • Page 59: Second Level Removal And Replacement

    Step 3. Disconnect the printhead cable connector (8) from the printhead assembly. Step 4. Remove two screws (3) and two flat washers (4) securing printhead assembly (6) to printer housing. Step 5. Remove printhead assembly from printer. DataMetrics Corporation...
  • Page 60 OPERATION AND MAINTENANCE Figure 6-5. Printhead and Cable Assembly Replacement DataMetrics Corporation...
  • Page 61: Printhead Assembly Installation

    Connect the controller and power supply CCAs with the printhead cable assembly connector (P2) by carefully sliding them down until they are firmly seated in the connector. Step 4. Install the printer cover using ten screws (7) and tighten the screws. DataMetrics Corporation...
  • Page 62: Motor Assembly (B1) Replacement

    Fasten two nuts (7), flat washers (9), and lock washers (8) to secure the motor bracket (10) to the side of the printer housing. Make sure the two holes on the bottom of the printer are aligned with the holes on the printer. Torque the nuts to 4 ± 1 in/lbs. DataMetrics Corporation...
  • Page 63 OPERATION AND MAINTENANCE Figure 6-6. Motor Assembly Replacement DataMetrics Corporation...
  • Page 64: Control Panel Assembly Replacement

    Secure control panel to the printer housing assembly with four screws (3) and four flat washers (4). Torque the screws to 4 ± 1 in/lbs. Step 3. Connect the control panel cable to the Controller CCA connector J3. DataMetrics Corporation...
  • Page 65 OPERATION AND MAINTENANCE Figure 6-7. Control Panel Assembly Replacement DataMetrics Corporation...
  • Page 66: Controller Circuit Card Assembly (Cca) Replacement

    (5). Torque screws (3) to 4 ± 1 in/lbs. Step 2. Install the controller and power supply CCA into the printer ensuring that J7 on the Controller CCA mates securely with the printhead connector (8). DataMetrics Corporation...
  • Page 67 OPERATION AND MAINTENANCE Figure 6-8. Controller CCA Replacement DataMetrics Corporation...
  • Page 68: Power Supply Circuit Card Assembly (Cca) Replacement

    (refer to Figure 6-3). Step 6. Remove the six screws (3), washers (4), and lock washers (5) that secure the Power Supply CCA to the standoffs (6). Step 7. Remove the Power Supply CCA. DataMetrics Corporation...
  • Page 69: Power Supply Cca Installation

    Disconnect the data cable (P2) from connector J2 on the Controller CCA. Step 4. Remove the protective cap from J2 on the rear of the printer. Step 5. Remove four countersunk screws (3) that secure J2 to the printer housing assembly. DataMetrics Corporation...
  • Page 70 OPERATION AND MAINTENANCE Figure 6-9. Data Cable Assembly Replacement DataMetrics Corporation...
  • Page 71: Data Cable Assembly Installation

    Remove hex nut (4) and flat washers (5) that secure the chassis ground connection to the housing assembly. Step 7. Remove the dc power cable assembly from the printer housing assembly. Step 8. Inspect the dc power cable gasket (8) for any rips or tears and replace as required. DataMetrics Corporation...
  • Page 72 OPERATION AND MAINTENANCE Figure 6-10. DC Power Cable Assembly Replacement DataMetrics Corporation...
  • Page 73: Dc Power Cable Assembly Installation

    Connect the opposite connector on the 24 Vdc cable assembly to P2 on the FPDU. Rotate the connector clockwise to secure it to P2 on the FPDU. Step 3. Perform second line maintenance testing as described in Chapter 5, paragraph 5-3.4. DataMetrics Corporation...
  • Page 74 OPERATION AND MAINTENANCE Figure 6-11. 24 Vdc Cable Assembly Replacement DataMetrics Corporation...
  • Page 75: Nicad Battery Assembly Replacement

    Step 3. Slide battery cover (2) to the rear of the printer housing assembly. Step 4. Disconnect J3 on the battery cable assembly. Step 5. Remove the unserviceable battery from the printer assembly. Figure 6-12. NiCad Battery Assembly Replacement DataMetrics Corporation...
  • Page 76: Nicad Battery Assembly Installation

    (4). Fit the switch guard (14) over the power switch and secure to the printer housing assembly using washer (2), lug nut (1) and tighten. Step 2. Connect the circuit breaker cable assembly to J4 on the power supply assembly (refer to Figure 6-3). DataMetrics Corporation...
  • Page 77: Battery Cable Assembly Replacement

    Remove the 24 Vdc cable assembly from J2 on the FPDU by rotating the connector counter- clockwise until the connector is loose. Pull the 24 Vdc connector free from J2 on the FPDU. Step 2. Replace the FPDU with a serviceable assembly. DataMetrics Corporation...
  • Page 78: Fpdu Assembly Installation

    Step 6. Perform power on BIT (Chapter 4, paragraph 4-4.3.a.). Step 7. Perform operator-invoked self test (Chapter 4, paragraph 4-4.3.b.). Step 8. Use troubleshooting guide (Table 6-2) to isolate faults when printer performance or self tests indicate a malfunction. DataMetrics Corporation...
  • Page 79: Programming/Interface Requirements

    PROGRAMMING/INTERFACE REQUIREMENTS 7.1. INTRODUCTION The DmC 4080B high-speed printer programming and interface requirements in this chapter contain host-provided control codes to the printer with printer actions; control codes sent to the host with printer actions; printer interface electrical characteristics with transmission format for RS-232-C serial;...
  • Page 80 OPERATION AND MAINTENANCE Figure 7-1. Interconnection Diagram DataMetrics Corporation...
  • Page 81: Printer-Provided Control Codes

    (A) and (C) (Figure 7-3) up to the maximum ±12 Vdc as described in paragraph 7-3.1.2. The printer receiver provides protection against printing spurious characters when the host is disconnected due to power failure or damaged cables DataMetrics Corporation...
  • Page 82 OPERATION AND MAINTENANCE Figure 7-2. RS-232C Interface Diagram Figure 7-3. RS-232C Driver/Receiver Interface DataMetrics Corporation...
  • Page 83 7-2.1 and 7-2.2. Figure 7-4. RS-232C ASCII Sequence Table 7-1. RS-232C Serial Interface Baud Rate BIT Time (μsec) 6656 3328 1664 1200 2400 4800 9600 19,200 DataMetrics Corporation...
  • Page 84: Preparation For Reshipment

    CHAPTER 8 PREPARATION FOR RESHIPMENT 8.1. GENERAL This chapter contains information for the DmC 4080B high-speed printer reshipment. Preparation for reshipment and storage are basically the same (refer to Chapter 1, Table 1-1 for printer environmental limits). 8.2. PREPARATION FOR RESHIPMENT Prepare the printer for reshipment or storage in accordance with the following steps: Step 1.
  • Page 85 OPERATION AND MAINTENANCE Figure 8-1. Packaging Printer for Reshipment DataMetrics Corporation...

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