Black Mark Sensor Adjustment; Feed Gap Sensor Adjustment - Toshiba B-570 Maintenance Manual

6. DIAG. TEST OPERATION
6.5.2

Black Mark Sensor Adjustment

Black mark sensor setting should be performed after replacing the CPU PC board or changing the
tag paper to other maker's one, or when a paper feed error occurs.
< 1
< 4
Press the [FEED] key
and [RESTART] key
at the same time.
[ R
Ex)
[ R
NOTES: 1. Make sure to adjust the black mark sensor using the white part of the tag paper as
a criterion. Though an adjustment can be performed with the black mark, it may
cause a paper jam error.
2. Pressing the [PAUSE] key validates the sensor adjustment. The value of the sensor
is displayed up to 5.0 V.
Power off
Turn on the power while
holding down the [FEED]
key and [PAUSE] key.
>
D I A G N O S T I C
Press the [FEED] key three times.
> S E N S O R A D J U S T M E N
Press the [PAUSE] key twice.
E F L E C T I V E ]
Set the tag paper so that
the black mark sensor can
detect the white part of the
tag paper. (See NOTE 1.)
Holding the [FEED] key or
[RESTART] key down until
an asterisk ( * ) is displayed.
(More than 3 seconds.)
E F L E C T I V E ]
V 1 . O A
T
2 . 8 V
Black Mark
*
3 . 8 V *
Press the [PAUSE] key for

Feed Gap Sensor Adjustment.

6-49
(Revision Date Jul. 08, '94)
6.5 SENSOR SETTING MODE
The former value is displayed.
White part
Black Mark Sensor
Aligh the white part of the
TEC specified tag paper with
the black mark sensor.
(See NOTE 2.)
Indicates adjustment complete.
EM18-33010A
Tag paper
Black Mark