Bio-Rad Gel Doc™ EZ System - Manual (Page 27)

Mechanical Description
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Mechanical Description
The Criterion Stain Free Imager consists of the following main hardware
components:
• Light-tight enclosure, which contains a UV transilluminator
• CCD camera
• Low distortion lens
• Removable sample tray with UV-B filter glass
• Electronics for controlling the UV lights and camera
Maintenance
Cleaning the Sample Tray
Clean the sample tray with standard laboratory detergents or mild solvents,
such as EtOH or MeOH. Use lint free tissue to wipe it dry. Dust particles or lint
on sample tray can glow under UV illumination.
UV-B Fluorescent Lamp Replacement
The UV-B lamps will provide service under normal usage for 4-5 years. In case
of a lamp failure, you will see one of the following error messages:
• “Fault in UV bulbs Bank 1&2.”
• “Fault in UV bulbs Bank 1”
• “Fault in UV bulbs Bank 2”
Follow these instructions to replace the lamps.
1. Turn off the instrument and unplug the AC cord.
2. Remove and save the screws holding the top cover at the back of the
instrument.
3. Carefully slide the top cover toward the back of the instrument until it is
all the way off.
WARNING: Do not remove the instrument cover when power is supplied to
the instrument, or defeat the UV safety interlock. Attempting to operate the
unit with the cover removed may damage the instrument and expose the
operator to hazardous voltages and UV radiation.
WARNING: Use of controls or adjustments, or performance of procedures
other than those specified herein, may result in exposure to hazardous UV
radiation.