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RM1-9157-000 - HP Reverse Drive Assembly for LaserJet Pro M401 / M425 Series
- Product Type: Reverse Drive Assembly / Duplex Unit
- Manufacturer: HP (Hewlett-Packard)
- Part Number: RM1-9157-000
- Compatible Printer Series: LaserJet Pro M401, LaserJet Pro M425
- Function: Enables automatic duplex (two-sided) printing
- Component: Part of the paper path mechanism
- Location: Internal printer component
- Ensures proper paper flipping and re-feeding for double-sided output
- Requires installation within the printer
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Product Overview
The HP RM1-9157-000 is a Reverse Drive Assembly designed for the HP LaserJet Pro M401 and M425 series printers. It is responsible for the paper path that allows for duplex (two-sided) printing.
Technical Information
| Product Type | Reverse Drive Assembly |
| Manufacturer | HP |
Additional Specifications
| Part Number | RM1-9157-000 |
| Compatibility | LaserJet Pro M401 / M425 Series |
Product Description
The HP RM1-9157-000 Reverse Drive Assembly is a crucial internal component for select HP LaserJet Pro printers, specifically the M401 and M425 series. Its primary function is to facilitate automatic duplex printing, meaning the printer can print on both sides of a sheet of paper without manual intervention. This assembly is part of the printer's complex paper path. When duplex printing is enabled, the reverse drive mechanism takes the printed page after the first side is completed, flips it over using a series of rollers and guides, and then feeds it back into the printing mechanism to print the second side. This process is essential for reducing paper consumption and producing professional-looking documents. If a printer is experiencing issues with double-sided printing, such as paper jams in the duplex path or incomplete duplexing, this reverse drive assembly may be the faulty component. Replacing it requires disassembling parts of the printer to access and swap out the unit.
