Datamax E-Class Mark II Maintenance Manual
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Datamax E-Class Mark II Maintenance Manual

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Summary of Contents for Datamax E-Class Mark II

  • Page 1 Maintenance Manual...

  • Page 2: Copyright Information

    Information in this document is subject to change without notice and does not represent a commitment on the part of Datamax-O’Neil Corporation. No part of this manual may be reproduced or transmitted in any form or by any means, for any purpose other than the purchaser's personal use, without the expressed written permission of Datamax-O’Neil Corporation.
  • Page 3 Contents Overview Maintenance and Adjustments Troubleshooting Removal and Replacement...
  • Page 5 Overview Introduction ....................1 About this Printer ................... 2...

  • Page 7: Important Information

    This manual is intended for use by qualified service personnel in the maintenance and repair of Datamax E-Class model printers. It primarily includes technical information relating to the printer’s electrical and mechanical components. For related information, refer to the following documents, available at http://www.datamax-oneil.com...

  • Page 8: About This Printer

    1.1 About this Printer The user-assessable components of the printer are shown below. Note that some items are optional equipment. Front Panel Thumbwheel Media Hub Printhead Assembly Media Flange Printhead Media Sensor (optional AMS shown) Printhead Latch Platen Overview...

  • Page 9: Table Of Contents

    Maintenance and Adjustments Introduction ..................1 Maintenance ..................1 2.1.1 Cleaning the Printhead ..............2 2.1.1.1 Cotton Swab Procedure ..........2 2.1.1.2 Cleaning Card Procedure ..........3 2.1.1.3 Cleaning Film Procedure ..........3 2.1.2 Cleaning the Platen ..............4 2.1.3 Cleaning the Media Sensor ............4 Media Width Adjustment ...............

  • Page 11: Introduction

    2.0 Introduction This section covers maintenance and alignment procedures. 2.1 Maintenance Recommended items, techniques, and schedules to keep the printer in top working order are detailed below. The following items will help you safely and effectively maintain the printer: Isopropyl alcohol •...

  • Page 12: Cleaning The Printhead

    2.1.1 Cleaning the Printhead If print quality declines (symptoms can include non-compliant bar codes, print dropouts, streaks, etc.), the typical cause is debris buildup on the Printhead. If not removed, this buildup can lead to element failure, reducing the service life of the Printhead. Depending upon the media, ribbon, and printing parameters used, different methods and supplies are recommended to clean the Printhead.

  • Page 13: Cleaning Card Procedure

    4. Reinstall media (and ribbon, if needed). Lower and latch the Printhead Assembly. Adjust the Media Width Setting. Close the cover then plug in and turn ON the printer. Print then examine several sample labels. If symptoms persist, see Section 2.1.1.2; otherwise, this completes the procedure. 2.1.1.2 Cleaning Card Procedure This procedure is recommended when using direct thermal media, thermal transfer media with wax...

  • Page 14: Cleaning The Platen

    2.1.2 Cleaning the Platen The Platen, if contaminated with grit, label adhesive, or ink can cause a decline in print quality and, in extreme cases, cause labels to adhere to the roller. Clean the Platen as follows: NEVER use a sharp object on the Platen. CAUTION 1.
  • Page 15 Stationary Stationary Media Sensor Printhead Media Sensor Location: Assembly Cotton Swab Adjustable Media Sensor Adjustable Media Printhead Location: Sensor Assembly Cotton Swab Maintenance and Adjustments...

  • Page 16: Media Width Adjustment

    2.2 Media Width Adjustment To prevent wear on the Printhead and Platen, adjust the printer when using media that is less than four inches (102 mm) wide, as follows: 1. Load media. Print a batch of labels. (Simultaneously press F2 and F3, or send a format from the host.) While facing the front of the printer –...

  • Page 17: Ribbon Width Adjustment

    2.3 Ribbon Width Adjustment If equipped with the thermal transfer option, the Ribbon Tension Adjustment Knob allows the optimum amount tension to be applied to the ribbon, as follows: 1. Turn OFF the printer. Remove ribbon, if installed. 2. While holding the Hub, rotate the Ribbon Tension Adjustment Knob to match the ribbon width, according on the table below.

  • Page 18: Resetting The Printer

    The firmware application and fonts are stored in Flash memory. These files can be updated as newer version become available, as follows: 1. Identify the new version for the model of the printer at http://www.datamax-oneil.com then download that file onto your computer’s hard drive.

  • Page 19: Media Sensor Calibration

    copy filename.dlf lpt1/b Note: Other programs (e.g., hyper-terminal) can also be used to download this file. 3. The Paused Light will flash during the download. Then, following a successful download, the Paused Light will illuminate and then the printer will reset. (The previous printer setup will not be affected unless substantial firmware data structure changes have occurred.) 4.

  • Page 20: Auto Calibration

    (Press and hold during power-up until the Paused Light turns off) Calibration Mode Auto Media Calibration (See Section 4.6.1) Press and Feeds one label for “test” Release Press and hold until the Paused Light turns on F3 Prints the ‘Test Label’ for “test” Saves the current values and resumes Normal Mode...

  • Page 21: Manual Calibration

    2.7.2 Manual Calibration If media sensing problems continue after Auto Calibration, use the procedure below. 1. Hold the button while powering ON the printer and until the PAUSED Light turns OFF, then release the button. 2. Press and hold the button until the PAUSED Light turns ON then release the button.
  • Page 22 2-12 Maintenance and Adjustments...
  • Page 23 Troubleshooting Overview .................... 1 Initial Troubleshooting Steps ..............1 Problem Resolution ................1...

  • Page 25: Problem Resolution

    3.0 Overview This section covers techniques for isolating and correcting printer problems. Use the following procedures to isolate and correct malfunctions. When problems are isolated to a Printed Circuit PCB (PCB), assembly replacement is suggested. Note: Unless otherwise noted, see the Operator’s Manual for configuration, interfacing and setup information.
  • Page 26 Troubleshooting Problem Possible Causes The interface cable is not properly connected to the host, is defective, or • is an incorrect type. No communications Printer / Host communication parameters are mismatched. • The Main PCB is defective; see Section 4.3. •...

  • Page 27: Removal And Replacement

    Removal and Replacement Introduction ..................1 Cover....................1 Printhead.................... 2 Electronics Tray ................... 3 Print Mechanism .................. 4 Drive Motor..................6 Platen ....................7 Control Panel Assembly ................ 9 Bottom Enclosure ................11...

  • Page 29: Introduction

    4.0 Introduction This section details the removal and replacement of the printer parts. Wear a wrist strap and follow standard ESD prevention measures. Use extreme care near the Printhead; never use a sharp object on the surface. CAUTION Never use a sharp object on the Platen. Note: The procedures below assume a printer empty of media and ribbon.

  • Page 30: Printhead

    4.2 Printhead Removal: 1. Turn OFF and unplug the printer. 2. Completely loosen the Printhead Screw then carefully raise the Printhead Assembly and remove the Printhead. Note: If equipped with the Thermal Transfer option, it is not necessary to remove the Ribbon Handler Assembly, as an opening in the assembly is provided for access.

  • Page 31: Electronics Tray

    Replacement: 1. Carefully connect the Printhead Cable to the Printhead. 2. Position the Printhead onto the pins in the Printhead Assembly and, after ensuring that the Printhead Cable is not pinched, tighten (but not excessively) the Printhead Screw. 3. Clean the Printhead (see Section 2.1.1). 4.

  • Page 32: Print Mechanism

    Cables Main PCB Electronics Tray Expansion Ports 4. Remove any options from the Expansion Ports. 5. Remove all Cables connected to the Main PCB and then remove the Electronics Tray. Replacement: 1. Reconnect all Cables to the Main PCB in the Electronics Tray. 2.
  • Page 33 Screws Printhead Assembly Print Mechanism Bottom Enclosure 4. Latch the Printhead Assembly then lift the Print Mechanism out of the Bottom Enclosure, taking care to guide the Cables through the Cutout. Print Mechanism Cutout Cables Bottom Enclosure Removal and Replacement...

  • Page 34: Drive Motor

    Replacement: 1. Route the Cables through the Cutout. 2. Position the Print Mechanism in the Bottom Enclosure and then open and it secure with the four Screws. 3. Reinstall the Electronics Tray; see Section 4.3. 4. Adjust the Printhead; see Section 2.4. 4.5 Drive Motor Removal: 1.

  • Page 35: Platen

    Drive Motor Lower Hole Replacement: 1. Slide the Drive Motor gear into the Lower Hole then up into position, ensuring that the gears and mounting holes are aligned. 2. Reinstall the two Motor Mounting Screws. 3. Reinstall the Print Mechanism; see Section 4.4. 4.6 Platen Removal: 1.
  • Page 36 Motor Mounting Bracket Ground Screws 5. Remove the Motor Mounting Bracket from the Print Mechanism. Printhead Assembly Print Motor Mounting Mechanism Bracket 6. Remove the Ribbon Drive Assembly and the Platen Gear from the shaft of the Platen. Removal and Replacement...

  • Page 37: Control Panel Assembly

    Platen Ribbon Gear Locator Platen Gear Ribbon Drive Assembly 7. Remove the C-Clips and Bushings from each end of the Platen. 8. Slide the Platen away from the Printhead Latch and out of the Print Mechanism. Replacement: 1. Slide the new Platen into the Print Mechanism then install Bushings and C-Clips at each end of the Platen.
  • Page 38 3. Remove the Media Supply Hanger from the Bottom Enclosure. Control Panel Assembly Option Port Media Supply Hanger Bottom Enclosure 4. Using a screwdriver, gently push in the Locking Tab then lift the Control Panel Assembly off the Bottom Enclosure. Control Panel Assembly Locking Tab...

  • Page 39: Bottom Enclosure

    5. Remove the Control Panel Cable from the Control Panel Assembly. Control Panel Assembly Cable Replacement: 1. Connect the Control Panel Cable to the Control Panel Assembly. 2. Insert the front of the Control Panel Assembly into the Bottom Enclosure and push down until the Locking Tab snaps into place.
  • Page 40 6. Remove the Fascia, Cutter Option Slot Cover, and Memory Option Slot Cover. Fascia Memory Option Bottom Slot Cover Enclosure Cutter Option Slot Cover Replacement: 1. Reinstall the Print Mechanism; see Section 4.4. 2. Reinstall the Electronics Tray; see Section 4.3. 3.

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