Service manual

Black Line and Bottom Gap Sensors Replacement - 2844 980358-407A

Preparations

Protect against static discharge. Your work area must be static-safe and include

a properly grounded conductive cushioned mat to hold the printer and a

conductive wrist strap for yourself.

Perform the removal steps of the Bottom Case Replacement procedure (980358-405).

Removal

1. Unplug the ribbon cable ! from the sensor

1 where it attaches to the main PCBA

Note its location.

2. Use a #1 Phillips to remove the screw 2

that holds the sensor to the bottom of the

media frame.

Assembly

1. Align the sensor in place it on the bottom of

the media frame.

2. Use a #1 Phillips driver to replace and

tighten the screw that holds the sensor to

the frame.

3. Plug the ribbon cable from the sensor into

its connector on the main PCBA.

Assembling the Printer

Perform the assembly steps of the Bottom Case Replacement procedure (980358-405). Check the

installation. Turn on the printer and run the AutoSense routine to get a dump mode printout. This

action tests the printer's media drive and printing capabilities.

980358-001 Rev. A 29

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