2-8 Service Manual
4400-001
4 Encoder Strip
Carrier Assembly
with Belt
Check the encoder strip for proper installation.
Also, check it for wear, dirt and grease. Replace if
needed.
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 carrier assembly with belt. Go to the “Carrier
Assembly with Belt Removal” on page 4-20. If
problem remains, replace the system board. Go to
the “System Board Removal” on page 4-21
5 Carrier Transport
Belt
Idler Pulley
Assembly
Check for worn, loose or broken parts. Check for
obstructions blocking carrier movement. If pulley
assembly is damaged, replace.
Lubricate carrier to carrier frame engagement with
grease P/N 99A0394.
6 Maintenance
Station
A problem with the maintenance station can cause
carrier movement problems at the right margin. Go
to the “Maintenance Station Removal” on
page 4-19.
7 Access Door
Sensor
If the carrier does not move toward the cartridge
load position when the access door is opened,
verify that power is on. If the carrier still does not
move, check connector CN12 pin 1 for
approximately 4 volts, with the door open. If the
voltage is correct, replace the sensor. Disconnect
CN12 from the system board before removing
sensor. If the voltage is incorrect, replace the
system board. Go to the “System Board
Removal” on page 4-21.
FRU Action
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