IBM 5256-1 Maintenance Information Manual page 150

Move Into the Left Margin and Retract
The carrier can be moved into the left margin area and
stopped or moved into the left margin area until the
print head is retracted. In the retracted position
clearance is provided for loading forms and the ribbon
ink is prevented from bleeding on the paper.
Moving Print Head Into the Left Margin and Retracting It
If the print head is not to be retracted,
normal stop sequence begins here (1 motor
advance to the left of left margin). ________
The left margin could become active
I
at any time.
I
Moving Right to Left
If the print head is to be retracted,
vhe normal stop sequence begins here.
I
To retract the print head, the
IfooII.t-
I
- -
normal stop sequence begins
~i+---Normal
Stop Sequence - - -....
~I
I
I
after 40 emitter pulses.
I
I
I
I
1 I
I
14.0
mS~1
17.0
ms
1
50 ms to 100 ms
1
(settle time)2
1 - - - - - - - 1 _ _ _ \) ... _ _ _ _ _ _
. 1 _.1 _____
3
"""' _ _
.~
Left Margin
I
l r {
r (
Carrier
Drivers
A~!
_ _
~"L-
__
~"L-~)~) __ ~_L-
__
~
_ _
~
__
~
__
~)~)
____
~l
(
( ( (
.(
(
B )
t
1"'11'" . .
------~~-------
. . )
}la'
----J>
---"l (
l
t
. . f.-> _ _ _
L -_ _ _ _ _ _ _ _
~
_ _ _ ) . ' _ _ _
-J
l
\ l { l (
8
()I-L----------..Jl
t-
140 cps and 80 cps
,
) ~l _ _ --Il
{ ( (
2
120 cps
Theory,
Features
Theory 5256 MIM 4-29