Hi my reply was too long heres the second half..and ill retype the first as a comment
Try printing lighter prints, heavy toner saturation causes paper to stick to fusers and try to keep leading edge of print blank with no big blobs of colour for the same reason, ensure page sizes are set correctly in driver and machine tray settings and dont print outside margins , if you are about to print outside margins your printer driver should warn you, dont click ok if it doesHere
is your user manual for your oki. and a link to oki print drivers to suit 610
Here is a link
to Magic touch Australia that i thought has some good info re transfer paper use
Ensure your printer works ok with plain paper so we know it aint a printer fault but I'd say it due to how we are feeding the paper and how we have the paper type set and not feeding out the rear as I also think we should be.
Oki does the best colour prints nice and glossy, I dont think many come close to such great colour prints in fact I only like Oki and Kyocera stuff in Colour toner laser machines. Stear clear of cheap non oki toners and supplies because they cause heaps of issues and wreck printers and give many print quality issues, I dont work for OKI directly just telling you how it is in the field ;)
Let me know if you need more help and how you go