2) [scanner error] lamp error, 3) [scanner error] afe r/w error, T-20 – Konica Minolta PagePro 1390 MF User Manual
Page 130
T-20
(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
⎯
⎯