7. Receive Buffer Either 40 bytes or approx. 1 Kbyte, selectable using DIP switch. (TM-U300C/U300D) Either 0 bytes or approx. 1 Kbyte. selectable using DIP switch. (TM-U300PC/U300PD) (Refer to Chapter 4, Setting the DIP switch.) 8. Power Supply The supported power supply is AC adapter, C. 9. Reliability Life: Mechanism:7,500,000 lines Print head: 100 million characters (when printing an average of two dots/wire/character) ❏ End of Life is defined as the point at which the printer reaches the beginning of the Wearout Period. MTBF: 180,000 hours ❏ Failure is defined as Random Failure occurring at the time of the Random Failure Period. MCBF:
18,000,000 lines ❏ This is an average failure interval based on failures relating to wearout and random failure up to the life of 7.5 million lines. 32