User Guide

FrameMaker Ver.5.5(PC) Pi5501 OPTION FOR Di450/Di550
01.03.16
T- 4
3. REMEDIAL PROCEDURES
• The basic repair procedure for the controller is to replace the defective PC board or other
unit with a new one.
• First, identify the faulty symptom and replace the defective part to restore the controller
to the normal operating condition.
3-1. Printing is Not Possible Via Parallel Port
(1) Checking Printer cable for connection
• After turning the copier power OFF, check the printer cable for proper connection to the
controller. Then, turn the copier power ON again.
(2) Checking power harness for correct voltage
• When the Power Switch is turned ON:
Voltage across Main Board J11-1 and GND: DC 5 V
Voltage across Main Board J11-5 and GND: DC 3.3 V
Step Check Result Action
1 Check the printer cable for proper
connection.
NG Reconnect cable and turn ON the
copier power again.
OK Go to step 2.
2 Check the power harness for correct
voltage.
NG Change the DC Power Supply Main
of the machine.
OK Go to step 3.
3 Check the controller connector (J2)
for proper connection to the Image
Processing Board.
NG Reconnect connector and turn ON
the copier power again.
OK Go to step 4.
4 Check DIP Switch settings on, and
connector connection to, the Main
Board.
NG Correct faulty spots and turn ON the
copier again.
OK Change the Main Board.
Printer Cable
4692O002AB