Unimark EC3000 Series Betreibershandbuch PDF herunterladen (Seite 17)

Page 17 of 24 71U-1409-300K; REV 20 EC3000 Installation and Operator’s Manual

9.0 Cleaning

The following section is provided to assist in basic cleaning procedures for the Unit. This section is not intended for

regular maintenance or repair of the Unit.

9.1 Bar Code Scanner

As a general rule, the bar code scanner elements should require very little cleaning. The scanner components are

enclosed to minimize effects from the environment.

The primary item requiring cleaning is the scanner lens, which prevents direct access to the scan engine. Over time the

lens will become dirty from environmental dust and smudged by operators touching the lens.

To clean the lens:

1. Turn the unit off to avoid looking into the scanner light source.

2. Locate a soft non-abrasive/lint free cloth.

3. Wipe the lens area (see diagram below for lens location).

4. If some particles continue to cling to lens area, use canned air to dislodge and clear them away.

NOTE: DO NOT use a cloth soaked in any cleaning agent. Some cleaning agents can attack the plastic lens material

and cause it to become cloudy instead of transparent. Using an abrasive cloth can scratch the lens, and a cloth

that is not lint free may cause more material to be collected on the lens than what was originally present.

NOTE: Be sure and clean the entire lens. Not only does the scan engine capture the bar code image through this

component (approximately through the center), but the coupon present/detection beam passes through it to the

sensor mounted as shown below.

Lens positioned under the indicator light source

Coupon present sensor

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Unimark EC3000 Series Betreibershandbuch Seite 17