Minolta CF910 Service Manual page 389

Malfunction
Code
Description
P-11 Paper Separa-
tor Corona mal-
function
P-12 Charge Neutral-
izing Corona
P-13 Static Charge
Corona
P-14
P-15 Pre-Cleaning
Charge Corona
malfunction
P-16
P-17 S/P communi-
cations error
P-18 PC Drum
Charge Corona
wire cleaning
malfunction
P-19 Bk developing
efficiency mal-
function
P-20 Bk developing
efficiency mal-
function
S-1 CCD clamp/gain
adjustment fail-
ure
S-2 Intensity adjust-
ment failure
S-3
• The Leak Detection signal remains ON for a continuous 1-
sec. period or more after the Paper Separator Corona output
has been turned ON.
• The Leak Detection signal remains ON for a continuous 1-
sec. period or more after the Charge Neutralizing Corona
output has been turned ON.
• The Leak Detection signal remains ON for a continuous 1-
sec. period or more after the Static Charge Corona output
has been turned ON.
Unused
• The Leak Detection signal remains ON for a continuous 1-
sec. period or more after the Pre-Cleaning Charge Corona
output has been turned ON.
Unused
• What is read is not what is output in the S/P Check A (B)
mode.
• Charge Cleaner Return Position Sensor PC17 is not acti-
vated and Charge Cleaner Home Position Sensor PC16 is
activated 10 sec. after PC Drum Charge Wire Cleaning
Motor M3 has been energized to cause the cleaning element
to start moving from the home to return position.
• The developing efficiency, as detected through AIDC detec-
tion during predrive, after a copy cycle has been completed,
or during a multi-copy cycle, is 0.1 mg/cm
three consecutive times.
• The developing efficiency, as detected through AIDC detec-
tion during predrive, after a copy cycle has been completed,
or during a multi-copy cycle, is 0.7 mg/cm
three consecutive times.
• The average value of CCD scanning made during clamp and
gain adjustments after the Power Switch has been turned
ON falls outside the specified range.
• The intensity of Lamp light falls outside the specified range
after the Power Switch has been turned ON.
Unused
T-23
Detection Timing
2
/100V or less
2
/100V or more