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Troubleshooting
Cut sheet feeder does not load paper correctly
l The cut sheet feeder mode has not been selected with the DIP
switch.
l The position of the paper release lever is wrong. Push the paper
release lever back to the single sheet position.
l The cut sheet feeder is not installed properly.
l The paper supply is not loaded properly.
l The paper set lever of the cut sheet feeder is not pushed back.
l
The page length is not set correctly. See the section on setting
the page length in Chapter 3.
See the section on the cut sheet feeder in Chapter 7 for more
information on all these problems.
Data dump mode
This printer has a special feature to make it easy for experienced
users to find the cause of communication problems between the
printer and application programs. In data dump mode, an exact
printout of the codes reaching the printer is produced. Use paper at
least 11 inches wide on the LQ-950 and 14 inches wide on the
LQ- 1050.
1. To enter the data dump mode, hold down the FORM FEED and
LINE FEED
buttons at the same time, while you turn on the
printer.
2. Next, run either an application program or one you have written
in any programming language. Your printer prints all the codes
sent to the printer in hexadecimal format as shown below:
IB
40
18
52
00
18
74 01
1E
36
12
18
50
18
70 00
.@.R..t..6..P.p.
20 20
54
68 69 73 20 69 73 20
61
6E
20 65 78 61
This
is
an
exa
60 70
6C
65 20
6F
66 20
61
20 64
61 74 61
20 64 mple
of
a
data
d
75
6D
70 20 70
72
69
6E
74 6F 75 74 2E
20 54 68
ump
printout.
Th
69
73
20 66 65
61 74
75
72
65 20 60
61 68
65 73
is
feature
makes
06 20 20 20 20
20
69 74 20 65
61
73 79 20 66
6F
it
easy
fo
6-5