Epson DM-D500 Technical Reference Manual page 37

Attaching the customer display
When connecting or disconnecting a cable, be sure the customer display and system are turned off.
1
Pass the DM-D500 connection cable through support C and insert the customer dis-
play into support C.
When using the extension support B, insert support B into support C all the way in until it clicks.
2
Attach the rubber feet to the printer.
When using support B (extension)
Chapter 2 Setup
2
37