Preventive and Corrective Maintenance
Real Time Clock
10/27/05 S4M Maintenance Manual 13291L-001 Rev. A
Install the RTC Option Board
Connect yourself to an antistatic device.
2. See Figure 156. First time installation only: Install the plastic spacers into the left two
holes in the MLB.
Figure 156 • Install the Spacers
3. See Figure 155 and Figure 157. Install the RTC option board on to the spacers, J1 of the
RTC board facing J5 on the MLB; push down until they lock.
Figure 157 • Install the RTC Option Board
Caution • Observe proper electrostatic safety precautions when handling
static-sensitive components such as circuit boards and printheads.
1Main logic board (MLB)
2RTC option board
3J1 RTC board
I nst all t he spacers here.