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Firmware Error Messages (ER)
Error messages (ER) may display on the Toolbox, indicating a problem. The following
sections detail some of the more common messages.
ER01: PEP Data Underrun
The paper path motion stops under this condition. Partially printed pages are
common as the error only occurs while the paper path is moving. This condition can be
temporarily reset by pressing the reset button on the PPCA or by rebooting the printer.
ER01 can be very intermittent in nature.
Cause
Several causes might be behind this issue:
A dirty encoder due to paper fibers
A damaged encoder, cable or board component
A bad motor or driver; belt tension too high or low, excessive drive train friction
(belt, pullies, idlers, shafts, bearings.) This can be caused by a dirty sensor or servo issues.
Solution
1. If the encoder is working then check belt tightness.
2. If the problem is not resolved, contact Customer Service and report ER01-03.
ER02: Servo Error Limit Exceeded
ER02 indicates that a servo motor requires more power than is specified in the
firmware code.
Cause
This defect results from any impedance to mechanical motion. Alternatively, the
electric motors may have reached life.
Solution
Contact Customer Service for assistance.
ER03: Tilt Error
In order to protect from situations that could cause ink mixing and possible spillage,
the printer will not function if it is tilted. The print engine needs to be operated on a
completely level surface for proper operation.
Cause
Tilt sensors can give bad readings when there is excess electrical noise or EMF in the
vicinity, or if the table on which the printer is sitting is vibrating.
Solution
1. Confirm that the printer is level and keep printer on sturdy table, away from excess
physical vibration and electrical interference.
2. If problem persists, recalibrate (see TCL help for re-calibration): TCL › accel_zero (for
proper restart, use: TCL › shutdown.
WARNING – The print engine must be level when you re-calibrate or else the tilt
protection system will not work and the printer will suffer from severe ink mixing.
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