User guide

Routine Maintenance

Clean Interior

57516L-001 Rev. 1 10/12/2004 170PAX4 User Guide 83

Clean the Printhead and Platen Roller

Clean the printhead and platen roller according to the schedule in Table 8 on page 80. Clean

the printhead more often if you see inconsistent print quality, such as voids or light print. Clean

the platen roller if you see media movement problems.

To clean the printhead and platen roller, complete these steps:

1. Turn Off (O) the print engine.

2. See Figure 43. Open the printhead assembly by unlatching the printhead latch from the

locking pin.

Figure 43 • Opening the Printhead Assembly

3. Remove the media and ribbon from the print engine.

Caution • The printhead may be hot and could cause severe burns. Allow the printhead

to cool.

Electrostatic Discharge Caution • Observe proper electrostatic safety precautions when

handling any static-sensitive components such as circuit boards and printheads.

Printhead latch

Locking pin