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  TM 11-6720-248-12
C1
Item No.
Trouble symptom
Probable trouble
Checks and corrective measures
b. Flash cord connector loose.
b. Push flash cord receptacle into
strobe assembly.
c. Shutter cord connector loose.
c. Push shutter cord connector into
lens and shutter assembly re-
ceptacle.
3
Print too light
Film overexposed.
Set diaphragm control lever (fig. 3-1)
one f-stop closer to f/22, and pho-
tograph subject again.
4
Print white
a. Film outdated.
a Check expiration date cn film
box; if expiration date has
passed, replace film.
b. Back cover assembly (fig. 3-3)
b. Close and latch back cover as-
not closed.
sembly.
c. Film extremely overexposed.
c. Set diaphragm control lever two
f-stops closer to f/22, and pho-
tograph subject again.
5
Print too dark
Film underexposed.
Set diaphragm control lever one f-
stop closer to f/(4.5, and photo-
graph subject again.
Rotate camera through arc of 180°
6
Print black
Shutter not reset
and photograph subject again.
7
Print has poor contrast
Processing time too short.
Consult developing chart for tem-
perature differences (para 3-1).
8
Sections of print are blurred.
Dirty lens elements or dirty mirrors
Clean front and rear lens elements
in stereoscopic attachment (fig.
and mirrors in stereoscopic attach-
ment (para 4-6c).
White spots appear across each print. a. Spreader rollers (fig. 3-3) dirty.
a. Clean spreader rollers (para 4-6a
9
and d).
b. Defective film.
b. Replace film pack.
10
Print partially developed.
Film outdated.
Check expiration date on film box;
if expiration date has passed, re-
place film.
11
Subject image on print is blurred.
Subject standing too far from title-
Instruct subject to stand with chest
board.
against titleboard holder assembly.
12
Print streaked across narrow
Film not pulled smoothly.
Pull film in continuous motion with-
dimension.
out stopping.
a. Film not pulled smoothly.
a. Pull film in continuous motion
13
Developer smeared on one end
of print
without stopping.
b. Print was allowed to flop back
b. When removing print, do not al-
and to contact developer-cov-
low it to flop back on negative.
ered negative.
14
Bubbles on surface of print.
Print-coating applicator moved too
Coat prints with slow, firm stroke
rapidly across print, pressed too
without pressing print-coating ap-
hard during coating procedure, or
plicator. If quality of processed
moisture in print-coating appli-
print is still poor, higher category
cator.
4-3
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