This document will address common issues than can prevent users from successfully scanning, which can lead to failed scanning attempts and user frustration.
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Is the print quality for the answer sheet poor?
Sheets that have been printed using Fast Draft or Low Quality settings, on a printer with low toner, or sheets that have been through a copier too many times, can often be the root of the problem. Random ink marks, blurred lines, printer smears and distortion can make it nearly impossible for GradeCam to scan; examples can be seen in the image above.
Remember: The answer sheet should be clear of extraneous marks and be darkly printed.
Has this answer sheet been modified?
If you have attempted to modify an answer sheet, say to increase the size of the bubbles or to include the school's logo at the top, you should always test it to make sure it will work with Illuminate before handing it out to students. Our sheets have been carefully designed and calibrated to work with GradeCam; alterations, no matter how small, can have large consequences.
Never attempt to modify or add content within the black rectangle. Answer sheets (such as the one above) will not scan!
If the sheets you are using are modified, try testing a non-modified sheet in the same assessment to determine if the sheets are the root cause of your troubles.
Think: Test First, Scan Test Later.
Do the number of questions on the answer sheet match the number in the assessment?
If you use default sheets (pre-generated) for all assessments, make sure the sheet will work for the selected assessment. If there are fewer questions on the answer sheet than the assessment (eg, 20 on the answer sheet and 25 on the assessment) the sheet will not scan.
Confirm that the total number of questions on the answer sheet equals the total number of questions in the assessment. This can also help prevent you from scanning answers into the wrong assessment.
Does the assessment have versions?
If the assessment is set up with versions, the answer sheet must have a form option included. This will appear, as depicted above, in the upper lefthand side of the sheet. You can still use an answer sheet with the form option for non-version assessments, just be sure to have your students bubble form 1.
You can check to see if the assessment has versions by first selecting the corresponding assessment, then the Advanced tab> Versions. For tests that do not have multiple versions, only the master version will appear as a selectable option. If there is a version 2 in this area, the answer sheets must have the form option in order to scan.
Is this a lighting issue?
While lighting may seem to be a trivial issue, in the world of GradeCam scanning, lighting can make all the difference.
Here are three example of where lighting can have a negative effect on scanning:
(1) Too much light or too little light can be a problem (e.g., it creates glare). Turn off half your lights or shield the scanning area from bright lights or move to a different area.
(2) If a glare is causing problems (e.g., with laminated sheets), try holding something over the scanning area to block the glare. Bubbles should appear black, not silver or white.
(3) Be sure your scanning area is free of shadows (i.e., don't let a shadow of the camera's neck or head fall across the page you are trying to scan).
Is the whole answer sheet viewable within the scanning window?
In order for GradeCam to be able to read the answer sheet, the entire answer key (the black box) must be viewable within the scanning window.
Is the image blurry in the scanning window?
One way to tell if the image is to blurry is this: If you can't read the student's name or see the question numbers, the image is either too blurry or to far away from the camera. Try adjusting the camera's focus and distance to alleviate this issue.
Is the sheet right side up?
Student names and IDs must appear at the top of the page. Either turn the sheet so it appears right side up on your screen or select Settings (found underneath the scanning window) and check mark Flip Images.