Status Indicator RAPs
2-4 5/08 Phaser 3435
RAP 2 Error Messages
Message  Meaning  Suggested solutions 
Door Open  The front cover or rear cover is not 
securely latched. 
Close the cover until it locks into place. 
Duplex Jam 0 Check 
Inside 
Paper has jammed during duplex 
printing. 
Clear the jam. 
Duplex Jam 1 Open/
Close Door 
Paper has jammed during duplex 
printing. 
Clear the jam. 
Fuser Door Open  The fuser door is not securely 
latched. 
Open the rear cover and close the fuser door 
until it locks into place. For the location of the 
fuser door. 
Install Toner  A print cartridge is not installed.  Install a print cartridge. 
Invalid Toner  The print cartridge you have installed 
is not for your printer. 
Install a genuine print cartridge, designed for 
your printer. 
Load Manual Press 
Stop Key
The multi-purpose tray is empty in 
manual feed mode. 
Load a sheet of print material and press OK.
Low Heat Error Cycle 
Power 
There is a problem in the fuser unit.  Replace to Fuser Unit. 
LSU Hsync Error Cycle 
Power 
A problem has occurred in the LSU 
(Laser Scanning Unit). 
Replace to LSU Unit. 
LSU Motor Error Cycle 
Power 
A problem has occurred in the LSU 
(Laser Scanning Unit). 
Replace to LSU Unit. 
Main Motor Locked  There is a problem in the main motor.  Open and then close the front cover. 
Open Heat Error Cycle 
Power 
There is a problem in the fuser unit.  Unplug the power cord and plug it back in. If 
the problem persists, please call for service. 
Over Heat Error Cycle 
Power 
There is a problem in the fuser unit.  Unplug the power cord and plug it back in. If 
the problem persists, please call for service. 
Paper Jam 0 Open/
Close Door 
Paper has jammed in the feeding 
area of the tray. 
Clear the jam. 
Paper Jam 1 Open/
Close Door 
Paper has jammed in the fuser area.  Clear the jam. 
Paper Jam 2 Check 
Inside 
Paper has jammed in the paper exit 
area. 
Clear the jam. 
Printing...  The printer is printing jobs using the 
displayed language. 
Complete your printing. 
Ready  The printer is on-line and ready to 
printer. 
Use your printer. 
Replace Toner  This message appears between the 
Toner Empty and Toner Low status. 
Replace the print cartridge with a new one.