Canon iR1600 Service Manual page 306

CHAPTER 11 INSTALLATION
3) Mount the removed rear cover.
4) Press the Additional Functions key and
the ID (#) keys in sequence to start ser-
vice mode.
5) Using the cursor key
MODE', and press the OK key to start
test mode.
6) Press '1' on the keypad so that '1: D-
RAM' is indicated.
7) Check to be sure that the LCD indicates
the new RAM size.
8) Press the Stop key and then the Clear
key to end test mode.
11-32
, select 'TEST
COPYRIGHT© 2002 CANON INC. 2000 CANON iR1600/iR2000 REV.1 JAN. 2002