HP Designjet T120 - Page 58

Other potential parts
associated:
Trailing Cables, Carriage Board, Carriage Motor, Carriage Belt, Encoder Strip
Corrective action: Remote troubleshooting (call agent)
1. Switch the power off and disconnect the power cord. Reconnect the power cord and
power on the printer.
2. The call agent asks the customer to go to Support Menu by pressing the Power key
continuously for 15 seconds.
3. Go to 2 Diagnostics menu and run 2.1 Carriage Servo diagnostic, see
2.1
Carriage servo on page 106.
4. After running this diagnostic the printer will show one of these system errors:
◦
42.1:10 Replace the Carriage motor and follow the Onsite Troubleshooting
described below, see
Carriage Motor on page 268.
●
Carriage Motor  CQ890-67006
◦
02:10: Replace the Carriage Assembly and follow the Onsite Troubleshooting
described below
Carriage and Belt on page 236
●
Carriage assembly w/belt (24)  CQ890-67002
●
Carriage assembly w/belt (36)  CQ893-67011
5. The call agent should arrange a service engineer visit to replace the right part depending
on the system error.
System error: 42:1:10
Problem description: Carriage motor failure
Other potential parts
associated:
Carriage Belt, Main PCA
Corrective action: Onsite troubleshooting and solution (service engineer)
1. Go to the Support Menu (see
Entering the support menus on page 102) and run the
diagnostic 2.1 Carriage Servo, see
2.1 Carriage servo on page 106.
2. Remove the covers and check that all the cables are well connected to the Main PCA,
especially the Carriage motor cable, and that none of them are damaged. If a cable is
not connected then reconnect it, and power on the printer again to check whether the
system error has disappeared. Important note: If any cable is damaged then order a
Cable Service Kit.
◦
Cables Sk  CQ890-67021
3. Check that the Carriage Motor belt is not broken or out of place. If the belt is OK then the
Carriage Motor should be replaced, see
Carriage Motor on page 268.
◦
Carriage Motor  CQ890-67006
4. If the belt was damaged, it should be changed. Order the belt service kit, see
Carriage
Belt on page 243.
◦
Belt (24)  CQ890-67059
◦
Belt (36)  CQ893-67016
50 Chapter 2 Troubleshooting ENWW