Self Test Operation; Printer Mechanism - Epson LQ 1050 - B/W Dot-matrix Printer Technical Manual

1.5 SELF TEST OPERATION

The FX-850/l 050 printer has the following self test (self printing) function which checks the following:
Control Circuit Functions
Printer Mechanism Functions
Print Quality
DIP Switch Settings
Table 1-23 lists the self test operating instructions and Figure 1-8 shows the self test printing.
Type-face
Draft
D e f a u l t c h a r a c t e r
S h a p e o f z e r o
Protocol mode
A u t o m a t i c
C o u n t r y
CSF Mode
S k i p F"erforation
I n p u t Buffer
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Table 1-23. Self Test Operation
Start
Turn the power ON while pressing the
LINE FEED switch.
Turn the power ON while pressing the
FORM FEED switch.
ROM
o (Unslashed)
I t a l i c s
V a l i d
t e a r - o f f
U.S.A.
11 tich
I n v a l i d
None
I/F
Depend on
V a l i d
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/
>
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. . ..-..-,@ ~Bc DE FGHIJKL MN OpQRSTUVWXYZ[\],. -'abcdefghijklmn opq rSt UVWx Y2'[~ }-
Figure 1-8. Self Test Printing
Paper out condition.
Press the ON-LINE switch, and turn
the power OFF.
1–1 OFF
1-2 OFF
1-4 OFF
O F F
1 - 7 ON 1 - S O N
1-6 ON
2-4
OFF
Draft Mode
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" 'abode fghkikhunomrstuwvxyz
A
-'
1-19
stop
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REV.-A