The Accufast XL has 3 sets of sensors. Watch the video below to see how to locate and clean the sensors. 2 sets of sensors are on the head and 1 set on the base. On the labeling head, 1 set is for detecting the labels and another set for the take-up spool. To detect the label, the bottom portion is the flat pack Accufast XL Sensor, Head, 05-0107-00 Flat Pack and the upper portion is 05-0558-00, Accufast Photo Sensor LED. This sensor is also used on operators side of the take-up spool full sensor on the head. The non-operators side is Accufast Photo Sensor, 05-0559-00. This is also the bottom 1/2 of the paper sensor while the upper portion of the paper sensor is 05-0558-00, Accufast Photo Sensor LED
Also see the following note before replacing sensors! PLEASE READ BEFORE INSTALLING
When cleaning the sensors, most of the time you can just blow off the dust with an air duster that is safe for use with electronics like Supplies For Mailers Non-Flammable Compressed Air. Or save $ and the environment and use an electrical duster like the XXL Duster.
For a parts breakdown of the Accufast XL Labeler Parts with links to order the parts online.
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For a complete list XL Parts.
The Accufast XL can apply labels or stamps but the must be machine applicable pressure sensitive labels designed to work with these types of machines.