SM  8-30  J001/J003 
(4) The ac power supply is not within range approved for 
operation of the printer.  
Power surge occurred. Power drop occurred.   Check the rating of the input voltage.  
(5) ST Descriptions  
5-1 Operation impaired by other causes.  
1 Harness disconnected, damaged.  
2 Replace control board (NRC).  
 
 
 
8.3.15  COVER OPEN/DUPLEX UNIT 
SERVICE CENTER CALL RESPONSE  PROBABLE CAUSE  OPERATOR ACTION 
Cover open 
A cover is open, the duplex unit is not set, or it is not set 
correctly.  
1  A printer cover is not closed.  
2  Rear cover is not closed.  
3  The duplex cover is open, or duplex unit is not installed 
correctly.  
4  Damaged.  
 
(1) Check the printer covers to determine whether they have 
been left open.  
A printer cover is not closed.   Close the printer covers.  
(2) Check the rear cover to determine whether it has been left 
open.  
A printer cover is not closed.   Close the rear printer cover.  
(3) Make sure the following items are set correctly. 
3-1 Duplex unit cover (J001)  
3-2 Duplex unit (J003)  
1 The duplex unit cover is not closed (J001).  
2 The duplex unit cover is not set correctly (J003).  
1 The duplex unit cover is not closed (J001).  
2 The duplex unit is not set correctly (J003).  
(4) ST Descriptions  
4-1 Operation impaired by other causes.  
1 Harness disconnected, damaged.  
2 Interlock switch damaged.  
 
 
 
8.3.16  PRINT HEAD CLEANING IN PROGRESS 
SERVICE CENTER CALL RESPONSE  PROBABLE CAUSE  OPERATOR ACTION 
Print head is undergoing "Normal" or "Full" cleaning.  
The print heads are being cleaning from the printer driver, the 
print heads are being cleaned because the printer has been idle. 
"Normal" or "Full" print head cleaning is in progress.    
(1) After "Normal" or "Full" cleaning has finished, make sure the 
printer goes online and is ready for normal operation.   
"Normal" or "Full" print head cleaning is in progress.   Wait for the printer to go online after the "Normal" or "Full" 
cleaning has finished.  
 
 
8.3.17  READY 
SERVICE CENTER CALL RESPONSE  PROBABLE CAUSE  OPERATOR ACTION 
Printing... 
A print job is in progress.  
A print job is in progress.      
(1) After the print job is finished, make sure the printer goes 
online and is ready for normal operation.   
Printing...  Wait for the printer to enter the "Ready" mode after print job 
is finished.  
8.3.18  READY/RESET 
SERVICE CENTER CALL RESPONSE  PROBABLE CAUSE  OPERATOR ACTION 
Print job reset.