Novajet PROe Series Service Manual
No Power (cont)
Media Does Not
Move
82
Troubleshooting
Table 4-1. Troubleshooting Table (cont).
Symptoms
Possible cause
• all DC output
voltages not
present (see
Figure 3-30 for
voltages)
• all DC voltages
present at MPCB
• perform Stepper
Motor Winding
Resistance check
• rough motion
while spinning
stepper motor
• paper sensor
not responding
• media control
switches are
operating correctly driver
• firmware
corrupted
• bad MPCB
Solution
replace power
supply
replace MPCB
replace stepper
motor if out of
tolerance
bad bearings -
replace stepper
motor
replace paper
sensor
driver corrupted -
reload printer
reload firmware
replace MPCB