Triumph Adler DC 2435 User Manual page 241

Error Code
U14000 Reception to the FAX Box was stopped because
there is no more free space in the memory of this
machine. Create free space by outputting the data
stored in the memory, or cancel the reception to
the FAX Box.
U14100 Transmission to the FAX Box or sub address box
on our-brand recipient machine was stopped
because there is no more free space in the
memory of the recipient machine. Check with the
recipient.
U19000 Memory reception was stopped because there is
no more free space in the memory of this
machine. Create free space by outputting the data
stored in the memory, and ask the sender to
resend.
U19100 Transmission was stopped because there is no
more free space in the memory of the recipient
machine. Check with the recipient.
U19300 Transmission was stopped due to a data error
occurring during transmission. Send again.
Possible Cause/Action
Appendix-19