Konica Minolta 1390 MF All in One Printer User Manual


 
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(2) [Scanner Error] Lamp Error
<Detection Timing>
<Troubleshooting Procedure>
(3) [Scanner Error] AFE R/W Error
<Detection Timing>
<Troubleshooting Procedure>
Description
When the gray level value can’t reach 10 (0 to 255) even after the lapse of a predeter-
mined period of time after the warmup.
When the gray level value can’t reach 35 (0 to 255) even after the lapse of a predeter-
mined period of time after the warmup.
Relevant Electrical Parts
Scanner Unit Controller/Image Control Board (PWB-I)
Step Action Ref. Page
WIRING DIAGRAM
Control Signal
Location
(Electrical
Parts)
1 Check the connectors on PWB-I for
proper connection and correct as neces-
sary.
⎯⎯
2 Change Scanner Unit. D-21 ⎯⎯
3 Change PWB-I. D-15 ⎯⎯
Description
The firmware writes a pattern to all AFE registers and reads the value back. If there is
any difference between the write/read values, an AFE R/W Error occurs.
Relevant Electrical Parts
Controller/Image Control Board (PWB-I)
Step Action Ref. Page
WIRING DIAGRAM
Control Signal
Location
(Electrical
Parts)
1 Check the connectors on PWB-I for
proper connection and correct as neces-
sary.
⎯⎯
2 Change PWB-I. D-15 ⎯⎯