SECTION 5
MAINTENANCE
87
Cleaning the Feed Sensor
The Feed Sensor is located between the media hopper and the print engine. It has two functions.
- It is used to control the delivery of media to the print engine.
- It drives the LCD counter; located on the entrance side of the printer.
TIP: If the LCD counter is not incrementing with each piece of media, then the sensor is not working
properly (dusty/dirty). This can be intermittent. If in doubt; clean the sensor.
NOTICE: If you are uncomfortable performing this task, or this issue is not resolved by cleaning the
sensor; please contact your support representative.
1. If the printer is on; press the ON/OFF button to power-down the print engine. Wait about 45
seconds until the system shuts down (all control panel lights will go off). Turn off the Main Power
Switch and unplug the printer from the power receptacle.
WARNING! If this power-down process is not followed; ink color mixing and printhead nozzle
clogging may result.
2. Unplug the power cable from the printer.
3. Remove the Antistatic Brush Assembly [A]
4. Place a piece of paper into this area, as shown in images below, to catch
any screws that you might drop during this process.
5. Remove the two Philips head screws, as shown.
Note: Newer units have Thumb Screws instead of Philips head screws.
6. Remove the reflector plate.
Note: There is a reflector attached to the underside of this plate. Please be
sure to inspect/clean the reflector.
7. You can now access this sensor through the hole in the table-top.
8. Clean the Feed Sensor using compressed air and a soft brush or soft
cotton swab (q-tip).
9. Re-assemble in reverse order.
CAUTION: Verify that the ink tubes are not pinched by the fingers on
the Antistatic Brush Assembly.
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