Lexmark E350d Service Manual - Page 116

Printhead removal, Disconnect the cables J5 DRV A, J8 LXK LSU B, and J15 C from the controller card.

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4512-420, -430 Printhead removal 1. Remove the top cover. See "Top cover removal" on page 4-7 for more information. 2. Remove the right side cover. See "Right side cover removal" on page 4-5. 3. Remove the controller card cover. 4. Disconnect the cables J5 DRV (A), J8 LXK LSU (B), and J15 (C) from the controller card. Note: Be sure to remove the toroid before disconnecting the cables. 5. Remove three screws (D) securing the printhead. 6. Remove the printhead. Reinstallation note: • Install the new printhead by lining up the alignment knub with the indicator located at the front right-hand screw. • Be sure to place the toroid back over the cables. • Mechanically adjust the printhead, if necessary. See "Printhead assembly mechanical adjustment" on page 4-13. • Electronically adjust the printhead. This is a necessary step. See "Printhead assembly electronic adjustment" on page 4-8. 4-40 Lexmark™ E350d, E352dn

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4-40
Lexmark™ E350d, E352dn
4512-420, -430
Printhead removal
1.
Remove the top cover. See
“Top cover removal” on page 4-7
for more information.
2.
Remove the right side cover. See
“Right side cover removal” on page 4-5
.
3.
Remove the controller card cover.
4.
Disconnect the cables J5 DRV (A), J8 LXK LSU (B), and J15 (C) from the controller card.
Note:
Be sure to remove the toroid before disconnecting the cables.
5.
Remove three screws (D) securing the printhead.
6.
Remove the printhead.
Reinstallation note:
•
Install the new printhead by lining up the alignment knub with the indicator located at the front right-hand
screw.
•
Be sure to place the toroid back over the cables.
•
Mechanically adjust the printhead, if necessary. See
“Printhead assembly mechanical adjustment” on
page 4-13
.
•
Electronically adjust the printhead. This is a necessary step. See
“Printhead assembly electronic
adjustment” on page 4-8
.