Development - Toshiba e-STUDIO4500c Service Manual

August, 2006

3.1.6 DEVELOPMENT

1. Avoid nicking or scratching the development roller.
2. Place a development unit on a sheet of paper after removing it from a PCU.
3. Always clean the drive gears after removing used developer.
4. Always dispose of used developer in accordance with local regulations.
5. Never load types of developer and toner into the development unit other than
specified for this model. Doing so will cause poor copy quality and toner
scattering.
6. Immediately after installing new developer during the machine installation
procedure, do SP3811 001.
7. Immediately after replacing the developer, see section 3.5.7 for the correct SPs
to do.
8. Never do SP 3801 or 3811 with used developer.
9. When using a vacuum cleaner to clean the development unit casing, always
ground the casing with your fingers to avoid damaging the toner density sensor
with static electricity.
10. After replacing the TD sensor:
Replace the developer in the PCU where the TD sensor was replaced.
Then do SP3801 001~006 only for the PCU where the TD sensor was
replaced.
Very Important:
O
NLY INITIALIZE THE
Only initialize the TD sensor at the following times:
At installation, exactly as explained in the installation procedure.
After you replace developer (only initialize the TD sensor for the color that you
replaced)
As instructed in specific troubleshooting procedures.
If you do not obey the above instructions, you will get toner scattering inside the
machine.
TD
SENSOR ONE TIME
. D
O NOT DO IT MORE THAN ONE TIME
3-3
GENERAL CAUTIONS
.