Lexmark Optra S 1620 Manual

Repair Information4-8
4059-XXX
M3.5x8 mm
Thread Cuttingspring mounting 1
controller board mounting
(front)2
integrated tray ITC
boardmounting 2
left side cover mounting 5
stacker support to right
side frameattach 2
M3.5x12 mm
Thread Cuttingengine board shield to
left frameattach 1
paper alignment
assemblymounting 2
toner cartridge guide
trackmounting 2
left side frame to center
panattach 3
right side frame to
center panattach 2
deflector mounting 2
M3x5 mm
TaptiteINA cover
(2 screws per cover)attach 6...

4-94059 Service Manual
4059-XXX
M3x6 mm
Ta p t i t eouter shield mounting 6
inner redrive deflector mounting 2
interconnect board to
center panmounting 2
engine board
(bottom holes)mounting 2
controller board to
interconnect board
groundattach 2
controller board to inner
shieldmounting 2
fuser ground wire mounting 1
controller board (back) mounting 2
engine board to
interconnect shield
groundattach 1
fuser ground wire mounting 1
lower stacker duct mounting 1
ground cables to ground
(center pan -...

Repair Information4-10
4059-XXX
M3x8 mm
TaptiteLVPS mounting 2
auto compensator
hanger bracketmounting 1
M3x12 mm
TaptiteHVPS board mounting 1
M3x28 mm
Taptitedeveloper drive ground
(bottom hole)attach 1
M3.5x8 mm
Plastite Thread
For mingupper front cover mounting 5
left side cover mounting 3
autocompensator mounting 3 Reference
NumberScrew Type Location Purpose Qty 

4-114059 Service Manual
4059-XXX
M3.5x10 mm
Plastite Thread
For mingright side cover mounting 3
left side cover mounting 3
left side frame to pan attach 1
M3.5x12 mm
Plastite Thread
For mingleft side cover mounting 1
M3x6 mm
SEMS Machine
Screw with
washerfuser board mounting 1
M3.5x12 mm
Plastite Thread
Forming with
washerprinthead to EP frame mounting 3 Reference
NumberScrew Type Location Purpose Qty 

Repair Information4-12
4059-XXX
Removal Procedures
CAUTION:Remove power from the printer before you connect or
disconnect any cable or electronic board or assembly for personal
safety and to prevent damage to the printer. Use the hand grips on
the side of the printer. Make sure your fingers are not under the
printer when you lift or set the printer down.
Note:Some removal procedures require removing cable ties. You
must replace cable ties during reassembly to avoid pinching wires,
obstructing the paper...

4-134059 Service Manual
4059-XXX
Left Cover
1. Remove the left door.
2. Remove the five mounting screws (A). 

Repair Information4-14
4059-XXX
3. Raise the upper front cover.
4. Remove the three mounting screws (B), the print cartridge and
remove the left cover. 

4-154059 Service Manual
4059-XXX
Right Cover
1. Raise the upper front cover.
2. Release the cover latch (A) and remove the right cover
mounting screw (B). 

Repair Information4-16
4059-XXX
3. Remove the redrive assembly.
4. Remove the right side cover mounting screws (B) and (C).
5. Remove the right side cover. 

4-174059 Service Manual
4059-XXX
Upper Front Cover
1. Raise the upper front cover.
2. Remove the five upper front cover mounting screws (A) and
remove the cover.