TA Triumph-Adler LP 4140 - Manual (Page 100)

Using the Operation Panel
2-72 ADVANCED OPERATION GUIDE
10 Press [OK]. The selected RAM disk size is activated.
11 Press [MENU]. The message display returns to Ready.
The operations of the RAM disk are the same as those of the memory card.
Refer to the relevant sections in Using the CompactFlash Card on page 2-
62.
12 Turn off and on the printer. RAM disk size becomes active.
After turning the printer off, please wait at least five seconds before turning
it on again.