Feed Gap Sensor Adjustment - TEC B-450 SERIES Maintenance Manual

6. DIAG. TEST OPERATION
6.5.3

Feed Gap Sensor Adjustment

Feed gap sensor setting should be performed after replacing the CPU PC board or changing
the label to other maker's one, or when a paper feed error occurs.
Press the [C] key.
Ex)
Press the [C] key.
Press the [↓] key twoce.
NOTES: 1. Be sure to adjust the feed gap sensor using the backing paper with no label as a
criterion. Though an adjustment can be performed with the label, it could cause a
paper jam error.
2. Pressing the [ ↓ ] 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 [SHIFT]
key.
< 1 >
D I A G .
Press the [↓] key three times.
< 4 > S E N S O R A D J .
Press the [→] key and [↓] key twice.
[ T R A N S . ] 2 .
Set the label so that
the feed gap sensor can
detect the backing paper
(no label). (See NOTE 1.)
Holding the [RESTART] key down until
an asterisk ( * ) is displayed.
(More than 3 seconds.)
[ T R A N S . ] 4 . 1 V *
Press the [↓] key twice.
[ P E L V . T ] 4 . 8 V
Holding the [RESTART] key
down until an asterisk ( * )
is displayed.
(More than 3 seconds.)
[ P E L V . T ] 4 . 8 V *
Press the [C] key .
6.5 SENSOR SETTING MODE (When using the KB-80-QM optional keyboard)
3 V
The former value is displayed.
(See NOTE 2.)
Indicates the adjustment is complete.
Remove the label from
the sensor detection area.
The value for no paper state
is displayed.
(See NOTE 2.)
Indicates the adjustment is complete.
6-46
Label
Feed Gap Sensor
* Align the backing paper of
the TEC specified label with
the feed gap sensor.
EO18-33003A
Backing paper