Product Overview
The Porelon 42-2 Replacement Ink Rollers are designed to provide vivid and consistent black and red impressions for compatible printing calculators and Point of Sale (POS) systems. These rollers are engineered for durability and exceptional light fastness, ensuring clear and reliable printouts. This product is a direct replacement for manufacturer part numbers CP-13, IR-40T, EA-772R, 013110, and AD-4150.

An image of the Porelon 42-2 Replacement Ink Roller, featuring its compact design with distinct black and red ink sections, ready for installation into compatible printing calculators or POS systems.
Each pack contains two ink rollers, offering a convenient solution to maintain the performance of your printing device. Porelon is committed to providing quality products that are easy to replace, allowing users to quickly resume their work with high-quality printouts.
Installation Guide
Replacing the ink rollers is a straightforward process. Always refer to your specific calculator or POS system's user manual for detailed instructions, as procedures may vary slightly between models. The following steps provide a general guide:
- Power Off Device: Ensure your printing calculator or POS system is powered off and unplugged from the power source before beginning the replacement process.
- Locate Ink Roller Compartment: Identify the compartment where the ink roller is housed. This is typically accessible by opening a cover or panel on the device.
- Remove Old Roller: Carefully remove the old ink roller. It may snap out or require a gentle pull. Dispose of the old roller responsibly.
- Unpack New Roller: Remove one new Porelon 42-2 ink roller from its packaging. Avoid touching the ink-saturated parts directly to prevent staining.
- Insert New Roller: Align the new ink roller with the guides in the compartment and gently press it into place until it clicks or sits securely. Ensure it is properly seated to allow for smooth operation.
- Close Compartment: Close the cover or panel of the ink roller compartment.
- Test Device: Plug in and power on your device. Perform a test print to confirm that the new ink roller is functioning correctly and producing clear, legible output.
These rollers are designed for easy replacement, minimizing downtime and allowing you to quickly resume your printing tasks.
Operation
Once the Porelon 42-2 Replacement Ink Rollers are correctly installed, your printing calculator or POS system will operate as usual, producing crisp, high-quality printouts in black and red. The consistent ink delivery ensures that all characters and numbers are clearly visible for accurate record-keeping.
Maintenance and Care
- Storage: Store unused ink rollers in their original sealed packaging in a cool, dry place away from direct sunlight to preserve ink quality and prevent premature drying.
- Print Quality: If printouts begin to appear faded, streaky, or incomplete, it is an indication that the ink roller needs to be replaced. Refer to the "Installation Guide" section for replacement steps.
- Device Cleaning: Periodically clean the internal mechanisms of your printing device, especially around the print head and roller area, to prevent ink buildup that could affect print quality or device performance. Use a soft, lint-free cloth and appropriate cleaning solutions recommended by your device manufacturer.
- Environmental Responsibility: These ink rollers are an eco-conscious choice, containing 25% total recycled content, including 25% post-consumer content. Please dispose of used ink rollers according to local environmental regulations for electronic waste or ink cartridges.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Faded or Light Prints | Ink roller is running low on ink or has dried out. | Replace the ink roller with a new Porelon 42-2 roller. |
| Streaky or Incomplete Prints | Ink roller not properly seated; ink buildup on print head or keys. | Ensure the ink roller is correctly installed. Clean the print head and surrounding areas of the device to remove any ink residue. |
| No Print Output | Ink roller missing or severely depleted; device malfunction. | Verify the ink roller is present and correctly installed. If the problem persists after replacing the roller, consult your device's user manual or manufacturer support. |
Product Specifications
- Brand: Porelon
- Model Number: 11204
- Product Dimensions: 2.25 x 4.5 x 6.75 inches
- Item Weight: 0.32 ounces
- Color: Black; Red
- Material: Ink
- Compatible Calculator Type: Printing Calculators
- Manufacturer: Identity Group Holdings, LLC
- ASIN: B002VL9B74
Warranty and Support
For information regarding product warranty, returns, or technical support, please refer to the official Porelon website or contact their customer service directly. Keep your purchase receipt or order details handy when seeking support.
Porelon is dedicated to providing quality products and customer satisfaction. For further assistance or specific inquiries about compatibility with your device, please reach out to the manufacturer.





