Bio-rad SmartSpec Plus Spectrophotometer User Manual download pdf (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.

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Bio-rad SmartSpec Plus Spectrophotometer User Manual Page 52

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