SATO M8485S Operator's Manual download pdf (Page 54)

CLEANING THE SENSORS AND PAPER END SWITCH

There are two sensors that are used to control the positioning of the label. One is a

transmissive see-thru sensor that detects the edge of the label by looking through the

backing paper which is translucent and detecting the presence of the opaque label.

The other is a reflective sensor that detects the light reflected from the bottom of the

label liner. When a printed black Eye-Mark passes through the beam, the light is no

longer reflected back to the sensor detector, indicating to the printer that it should

use this position as the start of a new label. When dust, dirt, adhesive or other foreign

matter interferes with the light path of either of these sensors, the results is erratic

label positioning. These sensors should be cleaned regularly, at least every two rolls

of labels. The Paper End Switch is located in front of the sensor window and

should be periodically checked for residue on the actuator roller.

Supplies Needed: SATO SA070 Cleaning Kit

1. Turn the printer off.

2. Open the label access door.

3. Open the Label Hold-Down by

disengaging the latch. The Label

Hold-Down is spring loaded and

will stay in the up position. The

Upper Sensor will be visible on

the underside of the Label

Hold-Down when it is raised. It

is adjustable over a range of 0.5"

(14 mm) to 2.67" (68mm ) from

the inside edge of the label. The

Sensor Window is positioned

directly below the Upper Sensor.

4. Apply SATO Thermal Print Head

Cleaner to one of the cotton swabs.

5. Use the cotton swab to clean any

foreign matter from the exposed

surface of the sensors.

6. Check the roller on the Paper End

Switch for residue and clean if

necessary.

Paper End Switch

Upper Sensor

Sensor Window

Ribbon Guide Roller

SECTION 4.CLEANING AND MAINTENANCE

Page 4-4 9001034 Rev E SATO “S” Print Engines

1 2 ... 49 50 51 52 53 54 55 56 57 58 59 ... 227 228

No comments

SATO M8485S Operator's Manual Page 54