4. Remove the DC controller PCB.
Figure 6-46.
Removing and replacing the DC controller PCB
Note
Calibrate the printer after removing or replacing the DC controller. See Calibrate now.
Cassette paper size detection switches
This printer has two sets of switches to detect paper size in the cassette. These switches are
located on the left side of the printer, below the power supply fan. The paper length
detection switch set is further back than the paper width detection switch set.
To remove the cassette paper length and width detection switches
1. Remove the cassette.
2. Remove the left cover. See
Left cover.
3. Disconnect the connector shown in callout 1.
4. Squeeze the two tabs shown in callout 2, and remove the cassette paper length
detection switch by pushing it into the cassette cavity.
5. Remove the switch cover shown in callout 3, and disconnect the connector indicated in
callout 4 (it is behind the cover).
ENWW Internal components (left side) 219
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