Panasonic DP-C405 Service Handbook page 130

Ver. 1.1
(12) While holding the IT Unit on both sides, release
the lock by pushing the lever to the right.
(13) Carefully pull the IT Unit (3420) out of the
machine while holding it by both sides.
Caution:
Pull the IT Unit out straight, and leveled
(horizontal), or the IT Belt may get damaged, and
the printing quality will be affected.
<Cleaning the Initial Point Sensor>
(14) Clean the Initial Point Sensor with a dry cotton
swab.
Note:
When cleaning, wipe the surface of the sensor
with a dry cotton swab a few times as illustrated.
130
DP-C405/C305/C265
FEB 2008