IBM Selectric III Correcting Typewriter User Manual

1. Introduction

Welcome to the user manual for your IBM Selectric III Correcting Typewriter. This document provides essential information to help you set up, operate, and maintain your typewriter effectively. The IBM Selectric III is renowned for its reliability and correcting capabilities, making it a valuable tool for various typing needs.

Figure 1: IBM Selectric III Correcting Typewriter with cover closed.

2. Setup

2.1 Unpacking

Carefully remove the typewriter from its packaging. Ensure all packing materials, including any protective inserts around the print mechanism and platen, are removed before operation.

Figure 2: Top view of the typewriter with the cover open, revealing the internal mechanism.

2.2 Connecting Power

Locate the power cord at the rear of the typewriter. Plug the power cord into a standard 110V electrical outlet.

Figure 3: Power cord connection point on the underside of the typewriter.

2.3 Power On/Off

The power switch is located on the right side of the machine. Flip the switch to the 'I' position to turn the typewriter on. The power LED on the keyboard will illuminate. To turn off, flip the switch to the 'O' position.

Figure 4: Location of the power on/off switch.

2.4 Inserting Paper

1. Lift the paper support up.
2. Align a sheet of letter-size paper with the left paper guide.
3. Insert the paper into the paper feed slot until it engages with the platen.
4. Turn the platen knob (located on the right side) to advance the paper to your desired starting position.
5. Ensure the paper release lever is in the locked position to secure the paper.

Figure 5: Paper feed knob on the side of the typewriter.

3. Operation

3.1 Keyboard Layout

The IBM Selectric III features a full-size keyboard with 45 keys and 17 function keys, designed for efficient typing.

Figure 6: Detailed view of the keyboard layout.

3.2 Basic Typing

To type, simply press the desired keys. The typewriter operates at a speed of 12 characters per second. For fast typists, a 20-character keystroke buffer helps prevent missed characters.

3.3 Correction Feature

The Selectric III includes a correcting feature. If you make a typing error, press the Correction key (often labeled "Correction" or "Word Correction") to automatically erase the last typed character or word. This feature utilizes a correction ribbon.

3.4 Advancing Paper

You can advance the paper using the platen knob on the right side of the machine or by pressing the Return key for a line feed.

3.5 Special Typing Functions

• Automatic Underlining: Use the dedicated key for automatic underlining.
• Bold Typing: Activate the bold function for emphasized text.
• Superscript and Subscript: Keys are available for typing characters above or below the normal line.
• Margin Set and Release: Adjust left and right margins as needed.
• Auto Indent: For automatic indentation at the beginning of paragraphs.
• Tab Set and Release: Set and clear tab stops for columnar typing.
• Decimal Tabulation: Align numbers by their decimal points.
• Auto Centering: Automatically centers text on the page.
• Flush Right Margin: Aligns text to the right margin.

4. Maintenance

Regular maintenance ensures the longevity and optimal performance of your IBM Selectric III.

Figure 7: Internal mechanism, including the ribbon cassette and printwheel.

4.1 Ribbon Cassette Replacement

When the print quality diminishes, it's time to replace the ribbon cassette.

1. Turn the typewriter OFF.
2. Open the top cover of the typewriter.
3. Gently grasp the ribbon cassette and lift it out.
4. Remove the plastic ribbon from the take-up knob.
5. Insert a new ribbon cassette, ensuring it is correctly seated and the ribbon feeds properly.
6. Close the top cover.
7. Turn the typewriter ON.

4.2 Correction Tape Replacement

The correction tape is essential for the correcting feature. Replace it when it runs out or becomes ineffective.

1. Turn the typewriter OFF.
2. Open the top cover.
3. Unpack the new correction tape and hold the two spools in each hand.
4. Insert the tape behind the correction tape guides and the printhead, ensuring the powdered side of the tape faces the paper.
5. Mount the spools onto the take-up and supply spindles.
6. Close the top cover.
7. Turn the typewriter ON.

4.3 Printwheel Replacement

To change the font style, you will need to replace the printwheel.

1. Turn the typewriter OFF.
2. Open the top cover.
3. Gently grasp the edge of the printwheel and carefully pull it away from the printhead.
4. Align the new printwheel with the printhead and press it into place until it clicks.
5. Close the top cover.
6. Turn the typewriter ON.

5. Troubleshooting

If you encounter issues with your typewriter, refer to the following common problems and solutions:

• Typewriter does not function:
  • Ensure the power cord is securely plugged into a live 110V outlet.
  • Check if the power switch is in the 'ON' position.
• Poor print quality:
  • Check if the ribbon cassette is correctly installed.
  • Replace the ribbon cassette if the ink is faded or dry.
  • Ensure the printwheel is clean and free of debris.
• Correction feature not working:
  • Verify that the correction tape is properly installed.
  • Replace the correction tape if it is used up or damaged.
• Paper not feeding correctly:
  • Ensure the paper is aligned with the paper guides.
  • Check that the paper release lever is in the locked position.
  • Inspect the platen for any obstructions.

6. Specifications

7. Warranty and Support

Information regarding the specific warranty period and customer support contacts for the IBM Selectric III Correcting Typewriter is not provided within this manual. Please refer to your purchase documentation or contact the vendor for details on warranty coverage and technical assistance.