6-12 Notices for Replacement of the TM-U210/TM-U300 Rev. E
Note:
The receive buffer of TM-U300 may cause lost data at bufferfull state when there is no FIFO setting, or the
FIFO setting is larger than 10 bytes. However, the TM-U220 will have enough remaining receive buffer
space to prevent data loss at bufferfull state when DIP SW1-2 is Off regardless of the setting of MemSW
8-7.
The “Byte number from buffer full to release full state” is larger than TM-U300. It is for
improvement.
However, you should pay attention to the following:
6.2.4.1 Effect to the application when condition of buffer full is changed
The time from buffer empty to buffer full becomes longer. However, there are no cases in which
the host PC watches the time; therefore, there should be no problem.
6.2.4.2 Effect to the application when condition of release full state
The time from buffer full to releasing full state becomes longer than for the TM-U300. There is a
possibility that the application gets a time-out. For countermeasure, Memory switch
[MemSW8-7] is assigned for selection of buffer-full release condition, 256 bytes (default) of 138
bytes. Therefore when the time-out occurs, set the memory switch [MemSW8-7] to on.
6.2.5 Accessories compatibility
TM-U220 can use same consumables as the TM-U300. However, the power supply unit isn’t
compatible. The following sections describe these.
6.2.5.1 Power supply unit
TM-U220 can’t use the power supply unit of TM-U300 (PA-#### or PB-####.) The TM-U220 can
use the power supply units only as described in the following table.
CAUTION:
Don’t use the PA-#### or PB-#### power supply unit with TM-U220. Connection to an
improper power source may cause fire or shock.
6.2.5.2 Consumables compatibility
TM-U220 can use same consumables as the TM-U300 except a carbon roll paper (original + 2
copies. The TM-U220 can’t print on carbon roll paper with 2 copies.)
TM-U220 ANK model (Type A, B, D) TM-U220 Multilingual model (Type A, B, D)
AC Adapter C (which is packed with ANK model)
or PS-180 (Which is provided as option)
PS-180 (which is packed with Multilingual model)
Consumables TM-U300 (Type A, B, C, D) TM-U220 (Type A, B, D)
Ribbon cassette ERC-38 (P), (B/R) ERC-38 (B), (P), (B/R)
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