Statement: Impact of Microsoft basic authentication deprecation in Exchange Online and support for affected Ricoh products

Ricoh has been made aware of Microsoft’s decision to discontinue support for basic authentication for sending emails using the SMTP protocol in Exchange Online as of September 2025. Following this change, OAuth2.0 authentication will be required on applications and devices when using the SMTP protocol to send emails.

This notice explains which Ricoh product functions are affected by the deprecation and the planned schedule for OAuth2.0 authentication support.

1. Affected functions

After basic authentication is discontinued, an error will occur when sending emails using the following functions:

• Sending email using the scan function
• Sending internet fax
• Sending fax to an email address
• On-demand Email Notification (function that notifies machine status by email)
• Auto Email Notification (function that sends error notification to a designated administrator email address)
• Sending error notification when using Mail to Print

2. Ricoh’s response to this change

Firmware supporting OAuth2.0 authentication will be made available starting July 2025. Please refer to section 3, “Supported models and OAuth2.0 authentication firmware schedule” for details.

If your device does not support automatic firmware updates or if automatic firmware updates is not enabled, then updates must be applied manually using the RICOH Firmware Update Tool. After the firmware is updated, you will also need to configure the authentication settings from Web Image Monitor. For detailed instructions, please refer to the document “Guide to set up OAuth2.0 authentication for sending Microsoft Exchange Online email” below.

RICOH Firmware Update Tool

•  https://www.ricoh.com/support/firmware-update-tool 
•  Guide to set up OAuth 2.0 authentication for sending Microsoft Exchange Online email : Download Guide

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3. Supported models and OAuth2.0 authentication firmware schedule

Category	Product/Model	Update Available
Color MFP	IM C6510/8010	Mid-August
	IM C6500/8000	Mid-August
	IM C7010	Early July
	IM C3010SD/C3510SD/C4510SD/C6010SD	Late July
	IM C2010/C2510/C2510J/C3010/C3510/C3519J/C4510/C5510/C6010	Early July
	IM C2000/C2500/C2509J/C3000/C3500/C3509J/C4500/C5500/C6000	Mid-July
	IM C2501CE/C3501CE/C5501CE	Mid-August
	IM C530F/C530FB	Mid-August
	IM C401F/C401SRF	Early August
	IM C300/C300F/C400F/C400SRF/C400SRFG	Late July
	IM C320F	Late July
	IM CW2200	Late August
	MP C6503/C8003	Early July
	MP C2004ex/C2094exJ/C2504ex/C3004ex/C3504ex/C4504ex/C5504ex/ C6004ex	Late July
	MP C4503/C5503/C6003 without Smart Operation Panel*	Late July
	MP C4503/C5503/C6003 with Smart Operation Panel*	Late July
	MP C3003/C3503 without Smart Operation Panel*	Mid-July
	MP C3003/C3503 with Smart Operation Panel*	Late July
	MP C2003/C2003Z/C2503/C2503Z without Smart Operation Panel*	Early August
	MP C2003/C2003Z/C2503/C2503Z with Smart Operation Panel*	Early August
	MP C501	Late September
	MP C401/C401SR with Smart Operation Panel	Early September
	MP C401/C401SR without Smart Operation Panel	Mid-September
	MP C307/407	Mid-July
	MP CW2201	Late September
	SP C360SFNw	Mid-August
	IP CW2200	Early October
Monochrome MFP	IM 7000/8000/9000	Mid-August
	IM 2500/2509J/3000/3009J/3500/3509J/4000/5000/6000	Mid-July
	IM 2702	Early-August
	IM 550F/600F/600SRF/600SRFG	Late July
	IM 370/460/460FTL	Mid-August
	IM 350/IM 430	Late July
	MP 6503/7503/9003	Early August
	MP 2554/3054/3554/4054/5054/6054 without Smart Operation Panel*	Mid-August
	MP 2554/3054/3554/4054/5054/6054 with Smart Operation Panel*	Early September
	MP 2001/2501	Late September
	MP 501/601	Early August
	MP 402SPF	Late July
	MP 305+	Mid-August
	Aficio MP6002/7502/9002	Early September
	Aficio MP 301	Mid-August
	MP W7100/8140	Late September
	MP W6700	Late September
Color Printer	IP C8500	Mid-August
	P C600	Mid-October
	P C375	Early August
	SP C840DN/C842DN	Mid-October
	SP C360DNw	Mid-October
	SP C340DN/C342DN	Early October
	SP C333DN	Mid-October
Monochrome Printer	SP 8400DN	Late September
	SP 5300/5310	Mid-October
	P 800/801	Early October
	P 501	Late September
Production-Cutsheet	Pro C9200/C9210	Early October
	Pro 8400S/8410S/8420S	Mid-August
	Pro 8410/8420	Mid-September
	Pro 8300S/8310S/8320S	Mid-August
	Pro 8310/8320	Mid-October
	Pro C7200S/7210S/7200SX/7210SX	Mid-August
	Pro C7200/C7210/C7200X/C7210X	Mid-October
	Pro C5400S/5410S	Mid-August
	Pro C5400SL	Mid-August
	Pro C5300S/C5310S	Mid-August
	Pro C5300SL	Mid-August
	Pro C5200S/C5210S	Early July

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Previous Statement - 31.03.2025

Ricoh has been made aware of Microsoft's decision to discontinue support for basic authentication for sending emails using the SMTP protocol in Exchange Online (also referred to as Office365 or Microsoft 365) as of September 2025. This decision follows on from an earlier discontinuation of basic authentication for the POP3S and IMAPS protocol for receiving emails (see Ricoh's statement here).

As part of this transition process, Ricoh will add support for OAuth when using SMTP connections to Office365 for most models that were released after 2017. This overview will be updated as soon as the release dates have been finalised.

Many Ricoh devices already support Automatic Remote Firmware Update (ARFU), so it is very possible that OAuth support for SMTP will be available on your Ricoh device(s) automatically. Additionally, users can also update their Ricoh devices by using the Ricoh Firmware Update Tool (RFUT) which can be found here. 

Customers who are using Ricoh or 3rd party solutions like StreamLine NX should already be able to use OAuth for SMTP.

Our aim is to support all our customers through this transition and if you have any further questions related to OAuth for SMTP for Office365 please contact your local Ricoh representative who will be able to assist you.

Information from 3rd parties: Microsoft OAuth knowledge article (here) Microsoft knowledge article on different connection methods for SMTP (here) OAuth article on Wikipedia (here)