Ricoh MP C4503 Technical Bulletin page 372

Model:
MET-C1
Subject:
Notification for updating engine firmware
From:
1st Tech Service Sect., MFP/P Tech Service Dept.
Classification:
This RTB explains a very important step for the engine firmware
update.
At installation (new machine)
After you power on the machine, perform ACC adjustment first before updating the Engine
firmware if needed.
At PCDU and /or Development Unit replacement (for any color)
After you power on the machine, perform ACC adjustment first before updating the Engine
firmware if needed.
Please keep the following in mind in both above cases:
1) During the firmware update; do NOT open or close the front cover.
2) Do NOT press the engine firmware update start button within 3 seconds after it
appears on the panel (See below)
echnical
T
Troubleshooting
Mechanical
Paper path
Product Safety
ulletin
B
Date:
5-Nov-14
Prepared by:
Part information
Electrical
Transmit/receive
Other (Notification)
PAGE: 1/1
No.:
RD147124
Y.Urushihara
Action required
Service manual revision
Retrofit information
Tier 2