Error code Description Action
111.60 Closed-loop printhead sweep error, check sweep
accuracy state.
Go to
“Laser scanning unit (LSU) service
check” on page 136.
111.61 Printhead drive control out of range due to an
external event beyond what the control is
designed to handle.
111.62 Closed-loop printhead error, o-resonant PI eort
state.
111.63 Timed out on POR sweep.
111.64 Attempted to exceed open loop drive limits.
111.65
111.66 Failed alignment of printhead.
111.67 Attempted to exceed open loop drive limits.
111.68 Too many fake HSYNCs while aligning printhead.
111.69 Attempted to exceed open loop drive limits.
Laser scanning unit (LSU) service check
Action Yes No
Step 1
Make sure that the LSU and controller board are compatible.
• Check the serial number of the printer to determine whether
the LSU is galvo or polygon. The LSU is galvo if the sixth digit
character assigned is in the 0–9 or B–N range (example: 4514
20HH 007CR). It is polygon if the sixth digit character assigned
is in the P–Z range (example: 4514 2ZHH 007CR).
Note: Galvo and polygon LSU parts are not interchangeable.
• Check the color of the controller board. For galvo LSU, the color
of the compatible controller board is green. For polygon LSU,
the color is blue.
Are the LSU and controller board compatible?
Go to step 3. Go to step 2.
Step 2
Replace the LSU or controller board with a compatible one.
Installation note: Mechanical and electronic LSU adjustments
are required to complete the installation of the LSU. See
“Printhead assembly adjustments” on page 225.
Does the problem remain?
Go to step 3. The problem is
solved.
4514-6xx
Diagnostics and troubleshooting
136
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General
Weight and Dimensions
