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80 Troubleshooting
Croma24 Service Manual
Symptoms Possible cause Solution
Table 4-1. Troubleshooting Table (cont).
No Power (cont) • all DC output 1) check fuse on
voltages not power supply
present (see
Figure 3-18 for
voltages) 2) replace power
supply
• all DC voltages replace MPCB
present at MPCB
Media Does Not
Move
• perform Stepper replace stepper
Motor Winding motor
Resistance check
• rough motion bad bearings -
while spinning replace stepper
stepper motor motor
• pinch rollers adjust pinch rollers
not adjusted
correctly
• paper sensor replace paper
not responding sensor
• media control Croma24 Control
switches on Panel corrupted -
printer are reinstall Control
operating correctly Panel
• bad MPCB replace MPCB