Print Unit Components - Honeywell PM42 Service & Repair Manual

TITLE
PM42 Service Repair Manual

Print Unit Components

OPERATION:
This section covers the replacement and installation of the print unit assembly that has several components. This
section addresses the bottom base print mechanism and the printhead adjustment assembly. The spare bottom
base print mechanism does not include the media guide assembly and sensor.
Tools Required
Description
Torx Driver T20
Parts Required
Item Part Number
1 644-052-001FRE
2 50126032-001FRE
3 50125236-001FRE
4 1-994059-012
Bottom Base Print Mechanism Replacement
1. Turn the printhead lift lever counterclockwise to raise the printhead.
2. Remove the platen roller assembly.
3. Remove the drive pulley to access the torx screw underneat.
4. Remove the 4 torx screws securing the bottom base print mechanism assembly
IMPORTANT!!: Make note of the guide posts and position of media guide assembly adjustment lever as you pull
the print mechanism away from the spine (main deck). See Figure 2.
5. Remove the tear bar and reverse the procedure for installation of new print mechanism assembly
Model
PM42
Description
FRE, Bar Connecting
FRE, Bottom Assembly
FRE, SCREW MRT M4X12 Ф12, 50-Pack (16±0.8kgf/cm)
FRE, SCREW MRT M4X12 ZP (16±0.8kgf/cm)
Location of torx securing the print mechanism assembly
DOCUMENT NO.
L3-GLBL-RPR-3872
(Rev A)
PAGE
Page 15 of 48
3
L3-GLBL-RPR-3872 (Rev A)
Qty
1
1
1
1