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Removal and Installation
HP Designjet 4000/4020 Printer Series Service Manual
Encoder Disc and Sensor
Removal
Switch off the product and remove the power cable.
Please handle the Encoder Disc very carefully since any finger prints, scratches
or stains could cause the Printer to malfunction.
1. Remove the Left Cover
⇒
Page 8-9
.
2. Remove the Rear Door
⇒
Page 8-16.
3. Remove the Left Connector Cover
⇒
Page
8-19.
4.
Remove the Ink Supply Station
⇒
Page 8-60.
5. Disconnect the Encoder Sensor cable from
the PrintMech PCA.
6. Release the Encoder Sensor cable from the
clip located on the Electronics Module.