Messages Related To Print Heads - Oki IP-6620 Maintenance Manual

5.3.5

Messages related to print heads

PH COOLING PROCESS
PLEASE WAIT
<Description>
The monitored temperature of the print heads exceeded 43°C.
<Action>
Follow the instruction in the message displayed.
If this error occurs even when the ambient temperature is 40°C or below, check the Items to be
Checked on the table below, and perform the actions starting from the top until the problem is
solved.
No
1 Print head cooling fan
2 Print head cable
FFC's connector connection
3
4 PCB-ASSY-HCB1M
5 PCB-ASSY-IPB5-100
6 FFC
PH TEMP IS TOO HIGH
PRINT? OK/CANCEL
<Description>
The print heads temperature is not within the operating range (high temperature)
<Action>
Follow the instruction in the message displayed.
If this error occurs even when the ambient temperature is 40°C or below, perform the same
actions as with PH COOLING PROCESS PLEASE WAIT until the problem is solved.
5-40
Chapter 5 Troubleshooting (Engine Section and USB Controller Section)
Items to be Checked
OKI Data Infotech Corporation CONFIDENTIAL
Check that the connectors of the head cooling fan harness
are correctly connected to the board connectors.
Check the head cooling fan operation in the ACTUATORS
menu.
Replace it if it does not operate.
Check that the connectors of the print head cable are
correctly connected to the board connectors and the print
heads.
Replace the cable if the problem is not solved.
Reconnect the FFC on both the PCB-ASSY-HCB1M side
and the PCB-ASSY-IPB5-100 side.
If the cable terminals are smeared, softly wipe them with a
soft cloth or lint-free paper dampened with ethanol before
connecting them.
Replace the PCB-ASSY-HCB1M.
Replace the PCB-ASSY-IPB5-100.
Replace all four FFCs.
◎
Action