Problem

Possible Causes

Suggested Solutions

Images are not

properly centered

- External lights or

windows near the

unit

- Large patches of

light near the unit

- Ensure that there are no bright lights or

windows near the unit or the patient.

- Ensure that there are no large

irregular patches of light on the patient

or on the unit.

Measured pupil size

is different from the

expected or actual

pupil size

- External lights or

windows near the

unit

- Large patches of

light near the unit

- Ensure that there are no bright lights or

windows near the unit or the patient.

- Ensure that there are no large

irregular patches of light on the patient

or on the unit.

High-order

aberrations that

differ from what is

expected

Direct light falling

on the unit or on

the patient.

- Ensure that there are no bright lights or

windows near the unit or the patient.

- Ensure that there are no large

irregular patches of light on the patient

or on the unit.

Tickets do not print

- Paper jam

- Out of paper

- Open the print paper door and release

the paper.

- Replace the paper roll.