IBM 6400 Operation Guide - Page 94

solving printer problems

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solving printer problems Problem Lost dots (incompletely formed characters) Horizontally or vertically misaligned character positions Erratic character height Vertically deformed print Asterisk does not appear after you change a configuration parameter with the Enter key. The configuration printout does not represent configuration parameters selected and changed. Corrective Action 1 Lower the forms thickness lever. 2 Adjust the paper tension horizontally by moving the right tractor. Print quality can be affected if it is too loose or too tight. 3 Clear the paper path of any obstructions. 4 If problems persist, contact an IBM Service Representative. 1 Press Stop to place the printer in the NOT READY state. Press Scroll ° + Scroll ± at the same time to unlock the program state. The message "OPERATOR MENU UNLOCKED" will appear briefly. Press Menu to access the OPERATOR MENU. Display the configuration option you want to change. Press Enter when the option is on the message display. 1 Verify that you have saved the current configuration (page 56). 80 Operator's Guide

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solving printer problems
80
Operator’
s Guide
Problem
Corrective Action
Lost dots (incompletely
formed characters)
1
Lower the forms thickness lever.
2
Adjust the paper tension horizontally by
Horizontally or vertically
misaligned character
positions
2
Adjust the
a
er tension horizontally by
moving the right tractor. Print quality can
be af
fected if it is too loose or too tight.
3
Clear the paper path of any obstructions.
Erratic character height
3
Clear the a er ath of any obstructions.
4
If problems persist, contact an IBM
Service Representative
Vertically deformed print
Service Representative.
Asterisk does not appear
after you change a
configuration parameter
with the
Enter
key.
1
Press
Stop
to place the printer in the
NOT READY state.
Press
Scroll
°
+ Scroll
±
at the same
time to unlock the program state. The
message “OPERATOR MENU
UNLOCKED” will appear briefly. Press
Menu
to access the OPERATOR MENU.
Display the configuration option you want
to change. Press
Enter
when the option
is on the message display.
The configuration printout
does not represent
configuration parameters
selected and changed.
1
Verify that you have saved the current
configuration (page 56).