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4402-001
FRU
4
Encoder Strip
Carrier with PCB
Assembly
5
Carrier Transport
Belt
Idler Pulley Parts
Carrier Frame
6
Printhead Carrier
Assembly
7
Maintenance
Station
8
Access Cover
Sensor
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 belt. Go to the
Assembly (Print Engine) Removal" on
page
4-14.
Lubricate carrier to carrier frame engagement with
grease P/N 99A0394.
Disconnect the printer and check the carrier
printhead connector (J2). If the connection is
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
"System 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
4-14.
If the carrier does not move toward the cartridge
load position when the access cover is opened,
verify that power is on. If the carrier still does not
move, check connector J9 pin 1 for approximately
5 volts, with the cover closed. If the voltage is
correct, replace the sensor. Go to the
Cover Sensor Removal" on page
voltage is incorrect, replace the system board. Go
to the
"System Board Removal" on page
"Print Engine
4-11.
"Belt/Idler Pulley
4-6. If the
Diagnostic Information
4-12.
"Access
4-12.
2-7
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