Bathy-500
The Chart paper does not print well in certain areas. Paper output has areas that are faded compared with the rest of the display.
Answer:
The thermal printhead is likely dirty and needs to be cleaned.
Residue builds up on the printhead over a period of time particularly in pixel areas where black outputs occur often. The B500(MF) manual has detailed directions on cleaning the printhead. The following provides the directions as well:
1. Open the top half of the case and raise the printhead assembly using the lift arm.
2. Remove the paper and use dry air to remove any particles from around the printhead.
3. Using a Cotton Swab with Isopropyl Alcohol gently clean the thermal printhead surface. The printhead surface is on the underside of the assembly about 1/8" from the edge of the assembly (where paper touches printhead). Warning use of any other solvent will cause damage to the printhead.
Last update: 2008-10-14 14:00
Author: admin
Revision: 1.0
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