L TROUBLESHOOTING > 2. MALFUNCTION CODE
L-18
d-Color MF4003/MF3303
2.7 P-22 Contents
Malfunction type Color regist adjust failure
Malfunction code P-22
Malfunction detection timing • The gap between maximum and minimum value of deviations among each color (the values before
averaging) is over the predetermined value.
• Average deviation exceeds the predetermined value.
• In case the final value of the deviation after stabilization exceeds the predetermined value, it is regarded
as failure even if the average deviation is within tolerance.
Relevant parts • IDC sensor (IDCS1)
• Base board (BASEB)
Procedure
1. Slide out the imaging unit and reinstall it in position.
2. Reinstall or reconnect IDCS1, connectors connecting between IDCS1-relay CN70-BASEB CN22E, if any of the foregoing parts is installed
or connected improperly.
3. Check the vertical transport guide for installed position and correct as necessary.
4. Replace BASEB.
2.8P-33
Contents
Malfunction type LD malfunction
Malfunction code P-33
Malfunction detection timing The DETOUT signal of the LD drive detected malfunction consecutively for the predetermined frequency.
Relevant parts • PH unit
• Laser diode/Y (LD/Y)
• Laser diode/M (LD/M)
• Laser diode/C (LD/C)
• Laser diode/K (LD/K)
• LD drive board (LASDB)
• Base board (BASEB)
Procedure
1. Replace the PH unit.
2. Replace BASEB.
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