t Aztek Home |  Howtek Support Home | About Aztek | Where to Buy  |   Customer Support  |  Downloads Order Product   | 

Trouble Shooting  HiResolve
 
Troubleshooting the HiResolve Scanner
The Howtek HiResolve is designed to be highly reliable. However, problems may occasionally arise during operation. This chapter describes some of the most common problems and the recommended corrective actions.
Problem Cause Solution
The control panel display does not light up The scanner is not plugged in Make sure the power cord is securely plugged into both the scanner and the AC power outlet.
The scanner is not turned on Make sure the on/off switch is in the ON position (the I is pushed in).
The AC power outlet is not "live" Verify proper operation of the outlet by plugging in a desk lamp.
The control panel display is lit, but the scanning application cannot locate the scanner The scanner is OFFLINE. Return the scanner to the on-line (ready to scan) state.
The SCSI cable is loose or not connected Make sure all the SCSI connections in the chain are secure.
Two or more devices are set to the same SCSI address. Check the device addresses in the chain for duplicate ID numbers.
The SCSI devices have not been powered on in the correct sequence. Make sure the devices in the SCSI chain are turned on before or at the same time as the host computer.
Defective SCSI Cable. Replace the cable.
The scanned image is marred by specks or horizontal lines. The original image is dirty. Clean the original.
There is tape or media in the calibration areas of the drum. Remove any tape or media that is obstructing the calibration areas on the drum; clean the areas if they are dirty.
The white calibration strip is damaged. Replace the calibraton strip.
The scanned image is marred by vertical lines. The drum is dirty. Clean the drum with drum cleaner.
The drum is not mounting securely. Reinstall the drum, making sure that the pulley and drum are aligned with the index marks.
The scanner table is vibrating. Secure the table or move the scanner to a stable surface.
Hardware failure. Contact your dealer for assistance.
The scanned image is too light (overexposed). There is tape in the calibration areas of the drum. Remove tape and clean drum surface.
The media is too thick. Replace with thinner original.
The drum is damaged. Replace the drum.
The scanned image is too dark. The wrong lamp is selected. Make sure the reflective lamp has been selected if you are scanning a print or line art.
Make sure the transmissive lamp has been selected if you are scanning a trasparency.
The scanned image is out of focus. The scanner is not in the auto focus mode. Make sure auto focus has been selected.
The analyzer lens is dirty. Clean the lens with rubbing alcohol and lens tissue.
The scanned image is marred by Newton Rings. There are bands of interference caused by thin layer of air between the drum and the mounted transparency. Oil mount the trasparency or apply anti Newton Ring spray.



Copyright © AZTEK.Inc. All rights reserved.