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Ricoh IEEE 802.11a/b/g/n/ac Interface Unit Type M57 (423640)
- Enables Wi‑Fi (IEEE 802.11a/b/g/n/ac) for IM C320F and P C375
- Dual‑band (2.4 GHz / 5 GHz) support
- Internal module — no external antennas required
- Supports enterprise security (WPA2; WPA3 subject to firmware)
Description
The Ricoh IEEE 802.11a/b/g/n/ac Interface Unit Type M57 (product code 423640, EAN 4961311980565) is an internal Wi‑Fi module that adds wireless networking to Ricoh IM C320F and Ricoh P C375 devices. It supports dual‑band operation (2.4 GHz & 5 GHz) and standards up to 802.11ac (Wi‑Fi 5), enabling flexible placement and mobile printing without a wired LAN connection.
Key features
- Compatibility: Ricoh IM C320F, Ricoh P C375.
- Standards: IEEE 802.11a/b/g/n/ac.
- Installation: Internal interface unit that fits into the dedicated slot of the device.
- Security: WPA2 support; WPA3 may be available depending on firmware.
This option is ideal for offices that require cable‑free installation or mobile printing from smartphones, tablets and laptops while integrating securely into corporate WLANs.
| Specification | Details |
|---|---|
| Manufacturer | Ricoh |
| Model / Part number | Type M57 / 423640 |
| EAN | 4961311980565 |
| Supported standards | IEEE 802.11a/b/g/n/ac (Wi‑Fi 5) |
| Frequency bands | 2.4 GHz and 5 GHz |
| Compatible devices | Ricoh IM C320F, Ricoh P C375 |
| Operating modes | Infrastructure (WLAN), Wi‑Fi Direct (model/firmware dependent) |
| Security | WPA2‑PSK, WPA2‑Enterprise (WPA3 support depends on firmware) |
| Installation | Internal interface unit – installs in the device's optional slot |
Overview: The Ricoh Type M57 is a compact, reliable internal Wi‑Fi interface that converts compatible Ricoh A4 devices into wireless‑ready printers. Performance is consistent in well‑configured Wi‑Fi 5 environments.
- Pros: Dual‑band support, easy internal installation, reliable connectivity for office use.
- Cons: Feature set (e.g., WPA3) may depend on printer firmware; module cannot be used as an external AP.
Recommended for businesses that want flexible device placement and simplified mobile printing without running Ethernet cabling.
