IBM 1725 SLS - Manual (Page 162)

Media Jams
QMS 1725 SLS Print System User's Guide 6-16
2 Gently open the transfer-guide lock-tray and remove any
media.
If necessary, remove the cassettes from the printer first.
3 If you experience difficulty in removing the media, or if
media isn’t visible under the transfer-guide lock-tray, lift the
green lever on the inner metal plate to check for jammed
media under the metal plate. Remove the media.
Transfer
lock-tray
-guide
Green lever
Transfer-
guide lock-tray