09915
ZPrinter
650
Troubleshooting
Guide
40006: AUTOALIGN: weak sensor reading
This error is caused by the alignment sensor not being able to read the initial refraction.
Monitor Read-Out or
Secondary
Symptom
Cause / Problem
Solution
Reference
Documents
40006: AUTOALIGN: weak
sensor reading
Dirty sensor Window
Clean Window and Retry
09577 ZPrinter650 User
Manual
(figure 7 )
After performing the above step try performing an alignment. Watch the alignment pattern to make sure that the light for
the alignment comes on. If you do not see the green light during alignment proceed to Pogo PCB replacement. If the
machine performs both tasks the problem should be solved.
40006: AUTOALIGN: weak
sensor reading
Build bed is not Flat
Perform Fill Bed
09577 ZPrinter650 User
Manual
(figure 21 )
40006: AUTOALIGN: weak
sensor reading
Poor Spread
"See Spread Issues"
"See Spread Issues"
(figure 18 )
After performing the above step try performing an alignment. Watch the alignment pattern to make sure that the light for
the alignment comes on. If you do not see the green light during alignment proceed to Pogo PCB replacement. If the
machine performs both tasks the problem should be solved.
40006: AUTOALIGN: weak
sensor reading
Dirty Sensor on Pogo or oil
has leaked in the carriage
Clean sensor on Pogo with
alcohol and clean inside
the carriage then retry
85022 ZPrinter 650 Pogo
PCB Removal and
Replacement
40006: AUTOALIGN: weak
sensor reading
Pogo Card is crooked or
sensor is not snapped in
Realign the pogo card
85022 ZPrinter 650 Pogo
PCB Removal and
Replacement
(figure 9 and 9.1)
After performing the above step try performing an alignment. Watch the alignment pattern to make sure that the light for
the alignment comes on. If you do not see the green light during alignment proceed to Pogo PCB replacement. If the
machine performs both tasks the problem should be solved.
40006: AUTOALIGN: weak
sensor reading
Bad Pogo PCB
Replace 50019 Pogo PCB
85022 ZPrinter 650 Pogo
PCB Removal and
Replacement
After performing the above step try performing an alignment. Watch the alignment pattern to make sure that the light for
the alignment comes on. If you do not see the green light during alignment proceed to Pogo PCB replacement. If the
machine performs both tasks the problem should be solved.
40006: AUTOALIGN: weak
sensor reading
Bad Carriage Cable
Replace 50080 Pogo Flex
Cable
85026 ZPrinter 650
Carriage Cable Removal
and Replacement
After performing the above step try performing an alignment. Watch the alignment pattern to make sure that the light for
the alignment comes on. If you do not see the green light during alignment proceed to Pogo PCB replacement. If the
machine performs both tasks the problem should be solved.
40006: AUTOALIGN: weak
sensor reading
Sensor window is damaged
or missing
50007 Fast Axis Assembly
85021 ZPrinter 650 Fast
Axis Removal and
Replacement
The most common cause is a dirty alignment window. It is imperative that the window is cleaned before every
alignment.
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