Speaker Removal; System Board Removal - Lexmark C746n Service Manual

Speaker removal

See
"Speaker" on page 7-5
Remove the rear upper cover. See
1.
Remove the right cover. See
2.
3. Disconnect the speaker connector (A).
Loosen the three screws (B), then remove the speaker.
4.

System board removal

See the system board part number for the model you need on
CAUTION
This product contains a lithium battery. THERE IS A RISK OF EXPLOSION IF THE BATTERY
IS REPLACED BY AN INCORRECT TYPE. Discard used batteries according to the battery
manufacturer's instructions and local regulations.
Warning: This part might contain customer confidential information. See
for more details. After removing this part, return it to your next level of support so any data can be
removed. If the customer requests to keep the part, they must sign a confirmation of memory device
retention form.
Warning: When replacing any one of the following components:
•
Operator panel assembly
•
System board
•
Top access cover assembly
Only replace one component at a time. Replace the required component, and perform a POR before
replacing a second component listed above. If this procedure is not followed, the printer will be
rendered inoperable.
for the part number.
"Rear upper cover removal" on page
"Right cover removal" on page
4-50.
4-51.
B A
page 7-11.
"Data Security Notice" on page 4-1
Repair information
5026
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