Lexmark X6170 4408-K01 Service Manual page 23

4408-XXX
FRU
4 Encoder Strip
Carrier Assembly
5 Carrier Transport
Belt
Idler Pulley Parts
Carrier Frame
6 Printhead Carrier
Assembly
7 Maintenance
Station
Action
Check the encoder strip for proper installation.
Also, check it for wear, dirt, and grease.
Be sure all printhead connectors are fully seated.
Check the cables for damage.
If the encoder strip and all connections are okay,
but the carrier still slams the side frame, replace
the print engine. Go to the
removal" on page
Check for worn, loose or broken parts. Check for
obstructions blocking carrier movement.
Check the carrier belt idler pulley mounting screw.
Loosen the screw and allow the tension spring to
take up any slack in the belt. Tighten the screw. If
the pulley mounting bracket has reached the stop,
replace the carrier assembly. Go to the
carrier belt tensioner screw (A)." on page
Lubricate carrier to carrier frame engagement with
grease P/N 99A0394.
Disconnect the printer and check the carrier
printhead connectors JP1 and JP2. If the
connections are good, remove the printhead
carrier and check the cable connection to the
home sensor board. If the problem remains,
replace the system board. Go to the
board removal" on page
A problem with the maintenance station can cause
carrier movement problems at the right margin. Go
to the "Maintenance station removal" on
page 4-9.
"Print engine
4-12.
4-15.
Diagnostic information
"Loosen
4-6.
"System
2-7