Specifications

32056L Rev. 2 12/4/01 105SL Maintenance Manual Page 4-13
PREVENTIVE AND CORRECTIVE MAINTENANCE SECTION 4
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NOTE: This procedure is used only for printer configurations
10500-0
XXX-XXXX and 10500-1XXX-XXXX.
CAUTION:
OBSERVE PROPER ELECTROSTATIC SAFETY PRECAUTIONS WHEN
HANDLING ANY STATIC-SENSITIVE COMPONENTS SUCH AS PRINTED
CIRCUIT BOARDS AND PRINTHEADS.
To remove the DC power supply:
1. Refer to RRP No. 1 on page 4-10 and place the power switch in the Off (O) position
and disconnect the AC power cord. Disconnect the data cables.
2. Refer to RRP No. 2 on page 4-12 and remove the electronics cover.
3. Refer to Figure 4-4. Unplug all ribbon cables and small wire connectors from the DC
power supply board.
4. Refer to Figure 4-9. Remove one mounting screw and two hex nuts holding the DC
power supply assembly to the printer chassis.
5. Remove the DC power supply assembly from the printer.
NOTE: The black heat conduction pad MUST NOT be discarded.
To install the DC power supply:
1. Refer to Figure 4-9. Position the cables out of the way while placing the DC power
supply assembly into the printer. Ensure the heat conduction pad is in position.
2. Install the one mounting screw and two nuts that secure the DC power supply
assembly.
3. Carefully connect all the ribbon cables and small wire cables to the correct connectors
on the DC power supply board as shown in Figure 4-4.
4. Reinstall the electronics cover.
5. Reconnect the AC power cord and all data cables.
6. Hold in the PAUSE key while placing the power switch in the On (I) position. Observe
the printer Power-On Self Test and examine the test labels for proper print quality. If
necessary, refer to the User’s Guide to adjust the darkness setting.