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169
Troubleshooting
Technical Notes
a, b, c, and d modes
Randomly-spaced
bright pixels (“noise”)
appears in
photographs.
• Lower ISO sensitivity or use noise reduction.
• Shutter speed is slower than 8s: use noise reduction.
53, 108
108
AF-assist illuminator
does not light.
• Mode dial rotated to h or j: select another mode.
• AF-assist lamp does not light for manual focus, continuous-
servo autofocus, or when focus mode automatically switches
from auto-servo AF to continuous-servo AF. Choose b.
• Center focus point is not selected: select center focus point
• Choose On for Custom Setting 9 (AF-assist).
• Illuminator has turned off automatically. Illuminator may
become hot with continued use; wait for lamp to cool down.
6,36–37
57
59
111
—
No photo taken when
remote control
shutter-release
button is pressed.
• Replace battery in remote control.
• Choose remote control mode.
• Flash is charging.
• Time selected for Custom Setting 17 (Remote on duration)
has passed: reselect remote control mode.
• Extreme backlighting may interfere with remote control
shooting.
156
55
33
115
—
Dirt or dust appears in
photographs.
Clean lens and low-pass filter. 159, 162
Menu item cannot be
selected.
Rotate mode dial to another setting or insert memory card. 6, 23
Date cannot be
imprinted.
Date cannot be imprinted on photographs taken when U or
X is selected for Image quality in the shooting menu.
50
Problem Solution A
Shutter release is
disabled.
• Non-CPU lens is attached: rotate camera mode dial to d.
• Mode dial rotated to b after shutter speed of “bulb” or “time“
selected in mode d: choose new shutter speed.
44, 146
42, 44
Problem Solution A