1. Introduction
This manual provides essential information for the proper setup, operation, and maintenance of your Epson LQ-2090II 24-pin Dot Matrix Printer. The LQ-2090II is a wide-format impact printer designed for demanding print environments, offering durability and high productivity for critical daily printing tasks. It features a 24-pin print head, speeds up to 584 characters per second (cps), and supports various paper types including cut-sheet, continuous, and multipart forms up to 7 pages thick. For optimal performance and longevity, please read these instructions carefully before using the printer.
Figure 1: Front view of the Epson LQ-2090II Dot Matrix Printer.
2. Package Contents
Verify that all items listed below are included in your printer package:
- Epson LQ-2090II Impact Printer Unit
- Power Cable
- Ribbon Cartridge (initial)
- User Guide (this document)
- Software CD (may vary by region)
3. Setup
3.1 Unpacking and Placement
- Carefully remove the printer from its packaging.
- Remove all protective tapes and packing materials from the printer.
- Place the printer on a stable, flat surface with adequate ventilation. Ensure sufficient space around the printer for paper feeding and output.
3.2 Connecting the Printer
The LQ-2090II supports both USB and Bidirectional Parallel (IEEE 1284 Nibble Mode) interfaces.
- Power Connection: Connect the power cable to the printer's power inlet and then to a grounded electrical outlet.
- Data Connection (USB): Connect one end of a USB cable to the USB port on the printer and the other end to an available USB port on your computer.
- Data Connection (Parallel): Connect one end of a parallel cable to the parallel port on the printer and the other end to the parallel port on your computer.
3.3 Installing the Ribbon Cartridge
The ribbon cartridge is essential for printing. Install it as follows:
- Ensure the printer is turned off.
- Open the printer cover.
- Carefully unpack the new ribbon cartridge.
- Align the ribbon cartridge with the guides inside the printer and press it down until it clicks into place.
- Thread the ribbon through the print head mechanism according to the diagrams inside the printer. Ensure the ribbon is not twisted.
- Close the printer cover.
3.4 Loading Paper
The LQ-2090II can handle various paper types. Refer to the specific method for your paper type.
Figure 2: The Epson LQ-2090II printer with continuous form paper loaded from the rear.
3.4.1 Loading Continuous Forms
- Ensure the paper release lever is in the continuous paper position.
- Feed the continuous form paper from the rear paper slot, aligning the sprocket holes with the tractor feed pins.
- Engage the tractor feed levers to secure the paper.
- Press the Load/Eject button to advance the paper to the printing position.
3.4.2 Loading Cut-Sheet Paper
- Ensure the paper release lever is in the cut-sheet paper position.
- Adjust the paper guide to the width of your paper.
- Insert a single sheet of paper into the front or top paper slot until it meets resistance.
- The printer will automatically feed the paper to the printing position.
4. Operating Instructions
4.1 Control Panel Overview
The control panel allows you to manage basic printer functions and monitor its status.
Figure 3: Detailed view of the Epson LQ-2090II control panel with buttons and indicator lights.
- Power Button: Turns the printer on or off.
- Load/Eject Button: Feeds or ejects paper.
- LF/FF (Line Feed/Form Feed) Button: Advances paper by one line or one page.
- Pause Button: Pauses or resumes printing.
- Paper Out Indicator: Lights up when paper is not loaded or has run out.
- Ribbon Indicator: Lights up when the ribbon cartridge needs replacement.
- Error Indicator: Lights up to indicate a printer error.
4.2 Basic Printing
- Ensure the printer is powered on and connected to your computer.
- Load the appropriate paper type.
- From your computer application, select the print option.
- Choose the Epson LQ-2090II as your printer and adjust any necessary print settings (e.g., paper size, print quality).
- Click Print. The printer will begin printing.
4.3 Adjusting Print Settings
The LQ-2090II supports Epson ESC/P2® and IBM® PPDS printer languages, allowing for flexible control over print output. Settings such as character pitch, line spacing, and print quality can be adjusted through your computer's printer driver settings or by sending specific control codes to the printer.
5. Maintenance
5.1 Ribbon Cartridge Replacement
The ribbon cartridge has a life cycle of up to 8 million characters. Replace it when print quality degrades or the Ribbon Indicator lights up.
- Turn off the printer.
- Open the printer cover.
- Carefully remove the used ribbon cartridge by lifting it out.
- Install a new ribbon cartridge as described in Section 3.3.
- Close the printer cover.
5.2 Cleaning the Printer
Regular cleaning helps maintain print quality and extends the printer's lifespan.
- Exterior: Wipe the exterior of the printer with a soft, damp cloth. Do not use abrasive cleaners or solvents.
- Interior: Periodically open the printer cover and gently remove any paper dust or debris using a soft brush or a small vacuum cleaner designed for electronics.
- Print Head: If print quality issues persist (e.g., faint lines), consult the advanced settings in your printer driver for print head alignment or cleaning options. Avoid touching the print head directly.
6. Troubleshooting
This section addresses common issues you might encounter.
| Problem | Possible Cause | Solution |
|---|---|---|
| Printer does not turn on | Power cable not connected; Power outlet faulty | Ensure power cable is securely connected. Try a different power outlet. |
| Printer not printing | Printer not connected to computer; Paper out; Ribbon depleted; Printer in pause mode | Check USB/Parallel cable connection. Load paper. Replace ribbon cartridge. Press the Pause button. |
| Faint or incomplete print | Ribbon depleted or improperly installed; Print head clogged or misaligned | Replace ribbon cartridge. Reinstall ribbon correctly. Perform print head cleaning/alignment via printer driver. |
| Paper jams | Paper loaded incorrectly; Damaged paper; Obstruction in paper path | Remove jammed paper carefully. Reload paper correctly. Check for and remove any foreign objects. |
| Lines appearing in printout | Print head issues (clogged pins, misalignment) | Perform print head cleaning and alignment through the printer driver software. If the issue persists, contact support. |
7. Specifications
Key technical specifications for the Epson LQ-2090II printer:
- Printing Technology: 24-pin Dot Matrix
- Print Speed: Up to 584 cps (characters per second)
- Resolution: 240 x 240 dpi
- Connectivity: USB 2.0, Bidirectional Parallel (IEEE 1284 Nibble Mode)
- Printer Languages: Epson ESC/P2®, IBM® PPDS
- Paper Types: Cut-sheet, Continuous forms, Multipart forms (up to 7 pages thick), Envelopes, Labels
- Maximum Media Size: 4" x 22" (continuous), Envelope No. 6, Envelope No. 10
- Ribbon Life: Up to 8 million characters
- Dimensions (D x W x H): 29" x 18" x 11" (73.66 cm x 45.72 cm x 27.94 cm)
- Weight: 20.7 Pounds (9.39 kg)
- Power Consumption: 52 Watts (operating)
- Printer Output: Monochrome
8. Warranty and Support
8.1 Limited Warranty
The Epson LQ-2090II 24-pin Dot Matrix Printer comes with a 3-year limited warranty. This warranty covers defects in materials and workmanship under normal use. Please retain your proof of purchase for warranty claims. For full terms and conditions, refer to the warranty documentation included with your product or visit the official Epson support website.
8.2 Technical Support
For technical assistance, driver downloads, or further troubleshooting not covered in this manual, please visit the official Epson support website or contact Epson customer service. Have your printer model number (LQ-2090II) and serial number ready when contacting support.