density low
developper appears on the paper devlopper is not stable
density low
developper appears on the paper devlopper is not stable
Sounds like its undertoned. What are the counts on developer, drum, cl blade, corona wire?
amount of the dumunier developer
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I have seen process units when they fail exhibit the same problems you are talking about.
Hi,I found a Panasonic bulletin.Hope this helps.Symptom:Copy image density becomes lighter although TDC is working correctly.Cause:TDC compensation control by Left off timer is working with negative effect and it results TDC level became lower.Field action :1. 2. 3.Please change the parameter setting F5-61 : TDC Auto Adjustment (DEV Conditions) from 1:Yes to 0:No.After changing F5-61 setting, please make about 50 copies using Test chart 53/54.If the image density does not become darker enough even after above changes, please put three (+3) steps in F6-62 (TDC Gain Voltage Adjust).Note : If there is high copy/print volume customer (ex. 5,000 copies/day), we recommend to leave this setting as “Yes” .Factory action :We are now studying new method for TDC Auto Adjustment and will implement it to the new firmware. It will be announced by Technical information when new firmware becomes available.
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