Things to consider in printers:

SPEED

NOISE

FEATURES
     Underline
     Doubl� strike--eac� characte� i� struc� twice�  give� � littl� heavie� �
     loo� to the text.
     Bolding--O� som� machine� thi� seem� t� shif� th� hea� jus� � bi� t� giv� �
     � slightl� large� [sideways� loo� t� th� text.
     Two-color--I� th� ol� day� o� typewriter� ther� wer� tw� colo� ribbons� �
     on� fo� black� on� re� [use� fo� accountin� purpose� n� doubt]�  Som� �
     machine� hav� � shifte� tha� step� th� print-hea� u� s� tha� i� hit� th� �
     re� portio� o� th� ribbon� makin� two-colo� report� possible� bu� � �
     suspec� stil� onl� i� red/black� possibl� red/blue.
     Bidirectional--
     Superscript/subscript--

BUFFER--Sinc� th� mechanica� devic� i� alway� slowe� tha� th� electronic� th� �
printe� can'� kee� u� wit� th� deliver� o� information�  Som� printer� hav� �
large memories, do they can print as fast as they can from this buffer.

LOGIC SEEKING--What in the heck is this?

FONTS--A� on� get� int� printers� he/sh� find� ther� ar� mor� thing� tha� ca� �
b� don� wit� them�  Recen� one� prin� italic� a� wel� a� straight�  Sinc� �
ther� ar� hundred� o� characte� style� [an� mor� comin� u� al� th� time� �
peopl� intereste� i� fanc� style� ma� wan� � machin� tha� ca� chang� fro� o� �
t� th� other�  Dais� wheel� giv� th� mos� variety� bu� th� dot-matri� maker� �
are not deaf to this concept.  Look for growth in this area.

EAS� O� USE�  Thi� i� � fina� aspec� o� th� printer�  Som� printer� ar� jus� �
difficult to operate.