Ricoh Pro C901 Technical Bulletin page 152

Model:
Aries-P1.5/C1.5
Subject:
PM Counter Clearance Unfunctional for Heating
Roller Thermistor
From:
1st PP Service Planning Sec., PP Service Planning
Classification:
SYMPTOM
The screen on the operation panel freezes when clearing the PM counter of the Heating
Roller Thermistor (PM interval 1600k).
Keys (Screen) on the operation panel will not function and the PM counter of the Heating
Roller Thermistor is NOT cleared in this frozen status.
NOTE
The PM counter of the Heating Roller Thermistor can be cleared by clearing the PM
counter of the entire Fusing Unit.
CAUSE
Engine F/W defect
SOLUTION
Engine F/W will be fixed.
REQUEST
Until the fixed firmware becomes available, please do not clear the counter of the Heating
Roller Thermistor individually even if a message requesting counter clearance of the
Heating Roller Thermistor appears on the operation panel.
If the counter of the Heating Roller Thermistor is cleared by any chance and the screen
freezes, turn machine power off/on to resume.
T
echnical
Troubleshooting
Mechanical
Paper path
Product Safety
B
ulletin
Date:
13-May-11
Prepared by:
Part information
Electrical
Transmit/receive
Other ( )
PAGE: 1/1
No.:
RM077036
Hiroaki Matsui
Action required
Service manual revision
Retrofit information
Tier 2