IBM V03 Maintenance Information page 50

Table 10. MAP 0140: Printhead drive (continued)
Step Questions/Actions
An open printhead thermal sensor can cause the printhead
5.
drive to stop or to slow.
Remove the printhead (see Printhead).
See 18-Wire printhead resistance checks to measure the
resistance of the thermal sensor.
Measure between pins 5 and 6 on the printhead 26-pin
connector.
Is the resistance 1000 ohms ±6% (60 ohms)?
Yes
Go to step 6.
No
Install a new printhead.
Carefully follow the
replacement procedure,
"Printhead" on page 232.
Run T&D in automatic mode
to verify correct printer
operation (see Running the
test and diagnostic (T&D)
programs).
Chapter 1. Diagnosing problems
50