Konica Minolta magicolor 7450, Service Manual

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Field Service Ver. 1.0 May 2006 11. SERVICE MENU
169
magicolor 7450
Adjustment / Setting
CAUTION STATUS 1
BIT Item Description
0
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1
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2
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3
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4
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5 IDC Sensor (Front) failure
1
• All outputs of Sensor photoreceiver section from the detec-
tion point (unprinted surface on the Image Transfer Belt) are
0.5 V or less or 4.3 V or more at output checking during IDC/
Registration Sensor adjustment.
• All outputs of Sensor photoreceiver section from the detec-
tion point (unprinted surface on the Image Transfer Belt) are
1.9 V or less or 4.4 V or more at density setting during IDC/
Registration Sensor adjustment.
• The output of Sensor photoreceiver section from the detec-
tion point (toner pattern on the Image Transfer Belt) is 1.0 V
or less after the adjustment.
0
• Front Door Open/Close, Main Power Switch OFF/ON, and
Normal Image Stabilization are complete besides the ones
listed above.
6 Cyan Imaging Unit failure
1
• All density readings taken from the density pattern produced
on the Transfer Belt are 0.5 g/m
2
(IDC Sensor photoreceiver
output) or less during max. density adjustment (Vg/Vdc
adjustment).
• All density readings taken from the density pattern produced
on the Transfer Belt are 4.5 g/m
2
(IDC Sensor Photoreceiver
output) or more during max. density adjustment (Vg/Vdc
adjustment.)
7
Magenta Imaging Unit
failure
8 Yellow Imaging Unit failure
0
• Front Door Open/Close, Main Power Switch OFF/ON, and
Normal Image Stabilization are complete besides the ones
listed above.
9 Black Imaging Unit failure
10 IDC Sensor (Back) failure
1
• All outputs of Sensor photoreceiver section from the detec-
tion point (unprinted surface on the Image Transfer Belt) are
0.5 V or less or 4.3 V or more at output checking during IDC/
Registration Sensor adjustment.
• All outputs of Sensor photoreceiver section from the detec-
tion point (unprinted surface on the Image Transfer Belt) are
1.9 V or less or 4.4 V or more at density setting during IDC/
Registration Sensor adjustment.
• The output of Sensor photoreceiver section from the detec-
tion point (toner pattern on the Image Transfer Belt) is 1.0 V
or less after the adjustment.
0
• Front Door Open/Close, Main Power Switch OFF/ON, and
Normal Image Stabilization are complete besides the ones
listed above.