Malfunction Code; Alert Code; Alert List - Konica Minolta bizhub C250P Service Manual

Field Service Ver. 2.0 Mar. 2006

23. Malfunction code

23.1 Alert code

• Machine status will be self diagnosed by CPU circuit. The machine status will be dis-
played on the control panel when the warning is detected.
Ready to print LED will be ON Error LED will be OFF
Machine status
Alert code will be displayed
23.1.1

Alert list

• If an image stabilization fault occurs, the corresponding warning code appears.
Code
P-5 IDC Sensor (Front) failure
P-28 IDC Sensor (Back) failure
P-6 Cyan Imaging Unit failure
P-7 Magenta Imaging Unit failure
P-8 Yellow Imaging Unit failure
P-9 Black Imaging Unit failure
P-21 Color Shift Test Pattern failure
5/21/26
Item
• All outputs of Sensor photoreceiver section from the
detection point (unprinted surface on the Image Trans-
fer 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
detection point (unprinted surface on the Image Trans-
fer 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
detection point (toner pattern on the Image Transfer
Belt) is 1.0 V or less after the adjustment.
• All density readings taken from the density pattern pro-
duced on the Transfer Belt are 0.5 g/m
photoreceiver output) or less during max. density
adjustment (Vg/Vdc adjustment).
• All density readings taken from the density pattern pro-
duced on the Transfer Belt are 4.5 g/m
Photoreceiver output) or more during max. density
adjustment (Vg/Vdc adjustment.)
• The number of points detected in the main scan direc-
tion is more or less than the specified value during
main scan direction registration correction.
• The number of points detected in the Sub Scan Direc-
tion is more or less than the specified value during sub
scan direction registration correction.
23. Malfunction code
4038F4E522DA
Description
2 (IDC Sensor
2 (IDC Sensor
303