Service manual

T echnical B ulletin
PAGE: 1/7
Model:
Bellini-C1/C2 Date: 31-Oct-03 No.: RB070029
Subject: Toner Scattering at rear side of the machine Prepared by: M. Matsuda
From: 2nd Tech Support Sec. Service Support Dept.
Classification:
Troubleshooting
Mechanical
Paper path
Part information
Electrical
Transmit/receive
Action required
Service manual revision
Retrofit information
Other ( )
SYMPTOM
1. Toner scattering in the rear of the machine
2. Toner scattering from the filters of the toner hopper
CAUSE
1. Toner scattering in the rear of the machine
a) Poor shielding at the connecting part between the drum cleaning unit and the toner
recycling case.
b) The opening in the toner recycling case that joins with the toner collection pipe of
the transfer unit is not an airtight connection.
2. Toner scattering from the filters of the toner hopper
a) Poor shielding at the connecting part between the cylinder case and the toner
transport coil tube.
b) Toner clogs in the tube located between the toner hopper and the cylinder case.