Lexmark Pro5500 Series, Service Manual

Page: 236 / 277

4-67
Service Manual
4447-20x
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Disassembly
Flow chart
Printhead carrier card removal
Note: Use the fixture to disassemble the printhead assembly.
1.
Remove the power supply. See “Power supply removal” on page 4-10 .
2.
Remove the duplex unit. See “Duplex unit removal” on page 4-11 .
3.
Remove the rear cover. See “Rear cover removal” on page 4-25 .
4.
Remove the left cover. See “Left cover removal” on page 4-26 .
5.
Remove the right cover. See “Right cover removal” on page 4-29 .
6.
Remove the control panel assembly. See “Control panel assembly removal” on page 4-35 .
7.
Remove the wireless card. See “Wireless card removal” on page 4-38 .
8.
Remove the card reader. See “Card reader removal” on page 4-40 .
9.
Remove the ADF/scanner assembly. See “ADF/Scanner assembly removal” on page 4-42 .
10.
Remove the midframe cover. See “Midframe cover removal” on page 4-50 .
11.
Remove the lower front cover. See “Front cover removal” on page 4-55 .
12.
Remove the alignment sensor. See “Alignment sensor removal” on page 4-57 .
13.
Disconnect the J1, J2, and J3 cables from the printhead carrier card.
14.
Push the toroid holder upward to release the toroid.
15.
Remove the three disconnected FFCs from the guides, and set aside.
Note: Take note of the original routing of all the cables.