Image Failure; Image Failure Troubleshooting; Initial Checks - Minolta EP3010 Manual

5

IMAGE FAILURE

5-1.

Image Failure Troubleshooting

Image failures have many possible causes. For troubleshooting, it is necessary to deter-
mine whether a failure is attributable to a basic cause or any other cause.
In this chapter, troubleshooting is divided into "initial checks" and "troubleshooting proce-
dures classified by image failure". If an image failure has occurred, first make the initial
checks, then proceed to the corresponding image failure troubleshooting procedure.
5-2.

Initial Checks

1. Place of installation
• Is the source voltage normal? Does the voltage vary greatly?
• Is the copier installed in a hot, humid place or in a place where temperatures vary
sharply?
• Is the copier installed in a dusty place?
• Is the copier subjected to direct sunlight?
• Is the copier level?
2. Copy paper
• Is the recommended paper used?
Load recommended paper and make copies to see if the problem persists.
• Is the paper damp?
Load new paper and make copies to see if the problem persists.
3. Original
• Does the original used have a reddish background or is it written in light pencil?
Use the Test Chart to check the image.
• Is the original transparent or are transparencies being used?
Cover with white paper and make a copy.
• Are the Original Glass and ADF Transport Belt dirty or scratched?
If dirty, clean with alcohol. If scratched, replace.
4. Adjust data and Level History data
• Are the set values of "Adjust" and "Level History (ATDC Level)" in the Tech. Rep. mode
equal to the value given on the Adjust Label on the back of the Front Door?
When installing the Developing Unit of another copier containing its own developer,
input the ATDC Level value of that copier.
5. PM parts (supplies)
• Have the PM parts (supplies), such as the PC Drum, Cleaning Blade, AIDC Sensor and
corona wires, reached the end of their cleaning/replacement cycles?
T-84