COPYRIGHT
©
2001 CANON INC. 2000 2000 2000 2000 CANON iR8500 REV.0 MAR. 2001
CHAPTER 6 TROUBLESHOOTING
6-194
7.3.3 After Downloading
1) Turn off the machine’s main power switch, and disconnect its power plug.
2) Turn off the PC.
3) Disconnect the parallel cable from the PC and the machine.
4) If a network cable is connected, connect it to its correct location, and turn on the
machine’s main power switch.
5) When the machine has started up, start service mode to check the system version for the
HDD: COPIER>DISPLAY>VERSION>MN-CONT.
7.4 Upgrading the BOOT ROM
7.4.1 Making Preparations
When you upgrade the machine’s BOOT ROM, you will directly replace the contents of
the ROM DIMM. Take full care.
1) Check to see that the machine’s Data lamp is OFF.
2) Turn off the machine’s main power switch, and disconnect the power plug and the net-
work cable.
Memo
Limits on Preparing the BOOT ROM
You will not be able to prepare the BOOT ROM unless the following condi-
tions are met:
• The model of the machine is the same; e.g., you cannot use the iR8500
BOOT ROM data to upgrade an iR5000.
• The parameter “function” (COPY or PRINTER) must match when down-
loading the system software; i.e., you cannot use the iR8500N (PS/PCL
model) BOOT ROM data to upgrade an iR8500. (The same is true of
from PS/PCL model to COPY.)
Any attempt made in disregard of the above will cause a mismatch error
when the machine runs a check before writing.
Chap_6_11.p65 01/03/13, 17:48194
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