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193
ERROR CODES, LIGHTS, SWITCHES, AND
TEST POINTS (CONTINUED)
When the
Status
switch is
set to Test, the 8 lights
display the contents of the read status byte. See
Test Mode.
During normal operation, the following lights are on:
Power On
Read
Line Sync
System Available
Light
Status Switch
Number
Set to Normal
1
Line Sync
2
System Available
3
Line Check
4
Storage Check
5
I nternal Check
6
Graphic Check
7
Data Cleared
8
Transparent Mode
193
Read Status
' Response Bit
7
8
9
10
11
12
13
14
Wiring Diagram,
Diagnostic Aids
Test
Mode
Select test mode by setting the Status switch to Test.
In test mode, the printer is completely offline and will
not respond to any commands from the controller. Test
mode also changes the meaning of the lights from that
described under
Lights,
preceding to the following:
Error
Status Switch Set to Test
Code
Wire Check - A print wire was turned on too long.
31/41
Slow Speed Check - The print head moved too
42
slowly.
Fast Speed Check - The print head moved too
33/43
quickly.
Emitter Sequence Check - Emitter pulses were
34/44
missing or occurred in the wrong order.
No Emitters - No emitter pulses were detected
35/45
(the print head was'stalled).
Overrun Error - Overrun occurred while printing,
36/46
and the print position cannot be determined. It can
also occur if the print head is bumped.
Forms Stopped - The forms are jammed, stalled, or
37
cannot be moved. Manual intervention is required.
Forms Position Lost - The forms have been moved
38
without pressing the Stop switch; forms position
cannot be determined.
Maintenance
5256 MIM
1-91
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