See "Deleting All Printed Documents From Memory - Canon FAX-JX300 User Manual

Deleting a Document from Memory
1
Press [Menu].
2
Use [{] or [}] to select <MEMORY REFERENCE>, then press [Start/Copy].
3
Use [{] or [}] to select <DELETE DOCUMENT>, then press [Start/Copy].
TX/RX NO.
4
Use [{] or [}] to select the transaction number (TX/RX NO.) of the document you
want to delete, then press [Start/Copy]. The LCD displays <YES=( ) NO=(#)>.
If the LCD does not change after you press [{] or [}], this means only one transaction is
stored in memory.
If you are unsure of the transaction number (TX/RX NO.), print a list of documents in
memory (see page 35).
5
Press [ ] to delete the document.
If you want to keep the document in memory, press [#].
6
To continue deleting other documents in memory, repeat the procedure from step 4.
To finish, press [Stop].
Deleting All Printed Documents from Memory
1
Press [Menu].
2
Use [{] or [}] to select <MEMORY REFERENCE>, then press [Start/Copy].
3
Use [{] or [}] to select <DEL. PRINTED RX>, then press [Start/Copy]. The LCD
displays <YES=( ) NO=(#) >.
4
Press [ ] to delete all printed documents.
If you want to keep the documents in memory, press [#].
5
To finish, press [Stop].
36 Receiving Faxes
0001