Removing The Td Sensor And Cleaning The Opening - Ricoh Pro C901 Technical Bulletin

Reissued:21-Apr-14
Model:
Aries-P1.5/C1.5
Removing toner clumps stuck in the development unit

Removing the TD sensor and cleaning the opening

Do this procedure, if toner scattering is observed around the development unit as shown in
the photo below.
4-1. Take out the development unit and place it on a table upside-down.
4-2. Remove the TD sensor from the development unit. (screw x2)
4-3. Vacuum the toner adhered to the opening where the TD sensor was mounted. This
toner blocks the TD sensor and causes false detection of the toner concentration,
resulting in incorrect Vt.
4-4. Put back the TD sensor and development units to complete the procedure.
Do the procedures described in "Troubleshooting toner degradation" of
3. Uneven density & Mottled effects in Page 19.
echnical
T B
ulletin
Date:
10-Mar-14
PAGE: 66/75
No.:
RM077107b