To obtain the best quality radiographs, follow the
film manufacturer's processing guidelines. If
radiographs processed at 5 minutes and 82°F (28°C)
are too dark, reduce the X-ray exposure time setting.
When the films have been processed, the finished
radiographs will exit the processor on the film track
and fall into the film receptacle. When the last film has
exited the unit, depress the run/standby switch to the
standby position. The unit will remain on standby
throughout the day.
Securing The Processor
The processor should be secured at the end of the
day. The securing procedures are as follows:
1. Depress the on/off switch to the off position.
2. Turn the water supply valve to the off position.
(Some models without water plumbing will not require
3. Unplug the power supply cable.
4. Wipe the cover and housing of the processor
with a damp sponge or cloth.
Change the developer and fixer at a minimum of
once every 3 to 4 weeks. If a large quantity of X-rays
has been processed, change the developer sooner.
Replenish the solutions following the manufacturers
NOTE: The solutions used for automatic
processing are not the same as those used for manual
You are responsible only for user maintenance on
the processor; repairs are the responsibility of the
dental equipment repair technician.
Monthly maintenance consists of cleaning the
roller transports and solution tanks. Weekly
maintenance consists of soaking the transport rollers,
solution agitators, and other removable internal parts
for 5 to 10 minutes with a processor cleaner.
NOTE: Any time the processor cover is lifted and
maintenance is being performed, you must wear a
safety face shield, apron, and protective gloves.
The quality of the processed radiographs are
reflected in the maintenance of the processor.
Improper maintenance can cause radiographs of poor
diagnostic quality, and may cause patients to have
their radiographs taken over. Always follow
manufacturers instructions for correct maintenance
and operating procedures.
To keep the processor in good operating condition,
do not place heavy objects on top of the processor or
use the top as a film loading or storage area. Do not turn
the power switch on when the solution tanks are empty.
Also, do not use steel wool or abrasive scouring
powder when cleaning tanks or metal parts of the
Small Automatic Film Processor
The small automatic processor processes only
bitewing and periapical dental radiographs. The
processor solutions are self contained and require no
The small processor in figure 1-48, may be located
in a darkroom, but because of its small size and
compatibility with a daylight loader, it is commonly
found in endodontic departments, small dental clinics,
and on board Navy ships where no darkroom is
Operational Check and Processing
Refer to the instruction manual for the assembly
and disassembly of processor components. The daily
operational check for the small automatic processor is
performed as follows:
1. Remove process cover and check the level of the
solutions. Tank capacity for the developer and fixer
tanks is 1 quart each. The wash tank holds 1 1/2 quarts of
water. Figure 1-49 shows the solution tanks.
2. Plug the power supply cable into the power
3. Depress power (left) switch (fig. 1-50). Directly
above the left switch, the red light goes on, indicating
the chemistry heaters are on. When the green light
(right) flickers (in about 15 minutes, depending on room
temperature) X-rays may be processed.
4. To process films, depress the process (right)
switch. The green ready light will alternate between
flickering and full on, indicating an optimum 74° to
76°F temperature is being maintained.
5. Refer to the manufacturer's instruction manual
procedures for processing bitewing and periapical