Preventive and Corrective Maintenance
Ribbon Take-Up Spindle
13291L-001 Rev. A S4M Maintenance Manual 10/27/05
Remove the Main Logic Board
Connect yourself to an antistatic device.
2. See RRP No. 1 on page 122 and remove the electronics cover.
3. See Figure 98. Remove all cables from the main logic board (MLB).
Figure 98 • Remove the Main Logic Board Connections
Caution • Observe proper electrostatic safety precautions when handling
static-sensitive components such as circuit boards and printheads.
Note • Take note of the location of all connectors on the main logic board.
1Printhead data (J3) 7Transmissive sensor (P9)
2Power-in (J8) 8Reflective sensor (P7)
3Front panel (J2) 9Take-label sensor (J19)
4Stepper motor (J9) 10 Communication expansion port (J17)
5Booster board (J7) 11 USB port (J14)
6Ribbon sensor (P4) 12 Serial port (J10)