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PFPE Grease from Japan 15g
This premium 15g tube of PFPE grease (perfluoropolyether) provides outstanding performance in extreme working conditions. Based on Japanese technology, it offers excellent thermal stability in the temperature range from -40°C to +280°C with perfect viscosity. The fully synthetic base oil has excellent chemical resistance against solvents, acids, and oxidising agents.
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Original TPH293R14 Thermo Printhead GR-400 for RISO GR3750 3770 A3 Print head
This authentic RISO TPH293R14 thermal printhead provides outstanding imaging performance in the GR3750 and GR3770 A3 digital duplicators. Built to OEM specifications, it affords high dot resolution and print density consistency during high-volume printing applications. The proprietary array of thermal elements provides the utmost durability while obtaining precise registration on text and graphics. The direct factory replacement gives one-hundred percent reliable and efficient operation with the duplicator printing mechanism and control systems.
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Original Main PCB Board for Riso GR3750 Motor PCB
This authentic main PCB is the dedicated motor control center of the Riso GR3750 duplicator. Made to correct OEM specifications, the board accurately controls the printer’s mechanics, regulating such mechanical functions as paper feeding sequence, drum rotation, and ink distribution. The board assures synchronization of all moving parts of the machine, enabling the registration of the prints to be maintained and accountable for the prevention of operational snafus.
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Original Main Board for Riso GR3750 Mother board Fottam board
Ensure your Riso GR3750 digital duplicating machine will continue to work reliably and effectively with a genuine main board assembly. This factory-made motherboard & formatter board is the brain of the machine, controlling all aspects of print and image processing and the general operation of the machine. This OEM replacement ensures 100% compatibility and ease of integration while resolving most types of complex electronic failure and communication defects.
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GR Support Roller Drum for RISO 000-01169-106 & GR Idler Gear Clutch 019-13603-105 GR 3700 3710 3750 3770 3790 Printer copier parts
The GR Support Roller Drum 000-01169-106 and GR Idler Gear Clutch 019-13603-105 are essential spare parts for RISO GR series duplicators, compatible with GR3700, GR3710, GR3750, GR3770, and GR3790 models.
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The Support Roller Drum provides smooth and stable drum movement, ensuring accurate image transfer and reliable operation.
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The Idler Gear Clutch offers consistent gear engagement, reducing mechanical wear and enhancing durability.
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GR Gear pulley 38 suction for RISO 019-13203-000 GR 3700 3710 3750 3770 3790 Printer copier parts
The GR Gear Pulley 38 Suction 019-13203-000 is a precision replacement part for RISO GR series duplicators, including GR3700, GR3710, GR3750, GR3770, and GR3790. This gear pulley plays an important role in the paper feed and suction mechanism, ensuring smooth rotation, accurate alignment, and consistent performance during high-volume printing.
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Master Making Print Head for Riso EZ220U Digital Duplicator
Master Making Print Head — robust and precise — the Master Making Print Head is designed to fit the Riso EZ220U Digital Duplicator to provide high-quality stencil making for bright-colored prints that won’t smudge. Tough and reliable, it offers precise and consistent perforation accuracy, optimizing ink transfer and waste.
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Pressure Roller for Riso A4 EZ220 MZ390 RZ220 RZ230 RZ310 RZ370 RZ390 RZ590 EZ-220 MZ-390 02375120 023-75120 Printer A4 Pressure Roller
The Riso A4 Pressure Roller (EZ220, MZ390, RZ220, RZ230, RZ310, RZ370, RZ390, RZ590, EZ-220, MZ-390) provides consistent pressure for even printing, ensuring high-quality prints. This high-quality part (Part No.: 02375120 / 023-75120) increases machine efficiency and maximizes paper processing with reduced jams, suitable for several Riso models.
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Lower Pressure Roller for Riso EZ 200 220 300 RZ 200 220 300 310 023-75120 RV A4 Duplicator Spare Parts
Constant print quality and flawless paper feeding with original Lower Pressure Roller for Riso EZ 200/220/300 and RZ 200/220/300/310 duplicators. Engineered for ultimate longevity, this special surface eliminates paper jams, maintains optimal pressure for perfect duplication.
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Cutter Unit for Riso RZ EZ SF 370 371 570 571 590 591
Cutter Unit for Riso RZ EZ SF 370 371 570 571 590 591 cutter unit Well-made replacement unit that meets or exceeds OEM-quality standards. Built from robust materials with the right precision cutter unit to deliver clean cuts for professional quality prints.
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GR Inking Motor 017-65016-300 GR 3700 3710 3750 3770 3790 & GR Clamp Motor 017-65004-205 GR 3700 3710 3750 3790
The GR Inking Motor 017-65016-300 and GR Clamp Motor 017-65004-205 are high-quality replacement parts designed for RISO GR series duplicators, including GR3700, GR3710, GR3750, GR3770, and GR3790.
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The Inking Motor ensures smooth and consistent ink distribution for sharp and clean printing results.
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The Clamp Motor provides stable paper clamping, reducing feeding errors and improving efficiency.
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Original Socket cables pair for RISO GR3750 print part
Experience perfect transmission of signals and mechanical timing with this genuine socket cable set made specifically for RISO GR3750 digital duplicators. These OEM-qualified cables provide the critical connection between the main control board and the printing mechanisms, thus enabling proper data transfer and power distribution. The wires are shielded to avoid signal distortion while assuring the proper timing between the printhead and paper transport system.

















