03217917-01-01E By DEK Technical Reference Manual Vol 1_enPDFA.pdf - 第149页
10 PRINT CARRIAGE MODULE 10.4 REPLACEMENT PROCEDURES TECHNICAL REFERENCE MANUAL Vol 1 E By DEK 04/2019 149 ► Thread the timing belt (3) under the front print carriage idle pulley (5), over the print carriage motor pulley…

10 PRINT CARRIAGE MODULE
10.4 REPLACEMENT PROCEDURES
148 TECHNICAL REFERENCE MANUAL Vol 1 E By DEK 04/2019
10.4 REPLACEMENT PROCEDURES
10.4.1 Timing Belt
To replace the print carriage timing belt, carry out the following procedure:
► Select Open Cover Commands.
► If required, select Carriage to Front.
► Select Back.
► Select Shut Down.
► Select Continue.
► Turn the mains isolator OFF; lockout the isolator switch.
► Gain access to the right hand printhead.
► Locate the rear print carriage timing belt clamp (2) on the inner face of the right hand print-
head. Loosen the two belt securing screws (1) and remove the belt end from the clamp.
1
2
► Unthread the timing belt from print carriage motor pulley and idle pulleys.
► Locate the front print carriage timing belt clamp on the inner face of the right hand printhead.
Loosen the two belt securing screws, remove and discard the timing belt.
► Fit the replacement timing belt into the front belt clamp and tighten the securing screws suffi-
ciently to hold the belt.

10 PRINT CARRIAGE MODULE
10.4 REPLACEMENT PROCEDURES
TECHNICAL REFERENCE MANUAL Vol 1 E By DEK 04/2019 149
► Thread the timing belt (3) under the front print carriage idle pulley (5), over the print carriage
motor pulley (6) and under the rear print carriage idle pulley (2).
6
3
4
5
► Fasten the belt to the rear belt clamp using the belt securing screws tightened sufficiently to
hold the belt.
► Loosen the rear belt clamp securing screws sufficiently to allow clamp movement.
► Loop a cable tie (9) around the clamp (7).
12.00
7
9
8
► Attach a forcemeter (8) to the cable tie (9) and apply a horizontal force of 12kg.
► Tighten the rear belt clamp securing screws whilst maintaining the tension on the belt.
► Remove the forcemeter (8) and cable tie (9).
► Refit any covers removed for access.
► Remove the isolator lock; turn the mains isolator switch ON.
► Select Maintenance.
► Select Diagnostics.
► Use Next or Previous to highlight Print Carriage.
► Select Select Module.

10 PRINT CARRIAGE MODULE
10.5 CALIBRATIONS
150 TECHNICAL REFERENCE MANUAL Vol 1 E By DEK 04/2019
► Use Next or Previous to highlight Cycle Print Carriage.
► Select Run Diagnost.
► Ensure the print carriage moves smoothly over it’s full range of travel.
► Select Stop.
► Select Exit.
► Select Exit.
► Select Back.
10.5 CALIBRATIONS
10.5.1 Temperature/Humidity Sensor
The temperature/humidity sensor (located on I/O node board 3) is calibrated at manufacture and is
not adjustable.
NOTE
I/O node board 3 is located inside the print carriage extrusion and the temperature and humidity
are measured at this point. Due to heat sources, movement and air flow, it must be expected for
the temperature and humidity to vary throughout the machine.