Siemens Hematek Operating Manual page 80

Pale staining
Page 7—6, Section 7: Troubleshooting
Slides are of variable
thickness
Proper stain-to-buffer
ratio has not been
achieved
Stain volume is adjusted
too high. Increasing
stain volume may
decrease stain intensity
Rinse volume is too high
Deteriorated or outdated
Stain Pak
Replace slides
Refer to Volume and Ratio
Determination on page 6-17
Refer to Pump Volume
Adjustment on page 6-14
Refer to Volume and Ratio
Determination on page 6-17
Replace Stain Pak