The new chips are for the Ricoh SP 377DNwX series of monochrome laser and MFPs.
Apex announced the new chips on their website for the Ricoh’s series which was launched in the US and Russia November last year and Apex has released the first replacement chips for the SP C377 series.
Apex’s ALR-SP377X replaces Ricoh’s SP377XA/408161 in black with a yield of 6.4K worldwide and is for use in the Ricoh SP 377DNwX; Ricoh SP 377SFNwX and the Ricoh SP 377SNwX.
You can find out more about Apex products here: http://www.apexmic.com/product/newsdetail-1674.html