Bio-Rad SmartSpec Plus Spectrophotometer - Manual (Page 52)

Section 8
Troubleshooting
Troubleshooting Table
Problem Cause Solution
Unit does not power up Power switch in off position. 1. Check power switch on back
of unit.
No power from outlet. 2. Check power source.
Bad power cord. 3. Replace.
LCD display difficult Back lighting burned out. 1. Call Bio-Rad service.
to read
Contrast setting out of
adjustment.
Printer jam Thermal paper caught 1. Remove excess paper
between print head and between printer head and plate
thermal plate when tearing using fine tip tweezers.
off paper.
2. Power down unit, remove
thermal paper roll and re-load
paper in printer.
Printer paper would not Printer paper inserted 1. Cut a straight clean leading
self feed or advance incorrectly, leading edge edge on paper with a pair of
of paper uneven or folded scissors.
over.
Paper feed button keyboard
2. Call Bio-Rad service.
is faulty.
Print out text too dark Printer paper damaged 1. Replace with new paper roll.
caused from excessive
heat, moisture.
Paper loaded incorrectly.
2. Be sure the paper is installed
in the proper orientation.
(refer to illustration in Section
9.3)
Thermal print head/plate 3. Replace printer. Call Bio-Rad
damaged. service.
Print out text too light 1. Paper loaded incorrectly 1. Be sure the paper is installed
or not visible (incorrect orientation). in the proper orientation
(refer to illustration in Section
9.3)
2. Printer paper damaged by 2. Replace the printer paper roll.
excessive heat, moisture.
3. Thermal print head/plate 3. Call Bio-Rad Technical
damaged. Service.
Keyboard buttons not Incomplete system 1. Power down unit/Restart unit.
responding initialization during power up.
Pressed wrong button for
operation.
49