Honeywell DPR180 Product Manual page 211

7.20 SYMPTOM: PRINT HEAD INOPERATIVE
CHECK
1. Is cartridge missing?
2. Is cartridge well engage ?
3. Is print head well connected?
4. Check print head coils *
5. If the problem remains
* With reference on the first top pin of the flat cable you should measure:
50 Ω, 25 Ω, 50 Ω, 50 Ω, 50 Ω, 50 Ω, 25 Ω, Open circuit, 50 Ω
7.21 SYMPTOM: INCORRECT COLOR
CHECK
Is cartridge installed?
1.
Is color motor properly connected?
2.
Is the motor coil about 80 Ω per coil?
3.
Is the color always black?
4.
7.22 SYMPTOM: INCORRECT PRINT OUT
CHECK
1. Is printing too light?
2. Are some colors missing?
3. Is printing trace unstable?
7.23 SYMPTOM: DOUBLE TRACE ON THE CHART PAPER
CHECK
1. Check if the carriage belt is worn where
the carriage is fixed on the belt.
7. TROUBLESHOOTING
DIAGNOSTIC / ACTION
1. YES: Install cartridge.
2. NO: Install cartridge and push it on fully.
3. NO: Reconnect the flat cable on the CPU
board.
4. NO: Change print head.
5. Change CPU board.
DIAGNOSTIC / ACTION
1. NO: Install cartridge and push it fully.
2. NO: Reconnect the flat cable on the CPU
board.
3. NO: Change motor.
4. YES: Check printing delay (speed too high or
printer left with no paper) make correction
and cycle power to recorder.
DIAGNOSTIC / ACTION
1. YES: Check cartridge ribbon (too old).
Check gap print head (0.6 mm, 0.0236").
Check motor ribbon (about 80 Ω per coil).
2. YES: Check color calibration.
Clean color mechanism.
3. YES: Check 0% and 100% paper calibration.
Clean carriage driving bar.
DIAGNOSTIC / ACTION
1. If the belt is worn, free the belt from the
carriage.
2. Move the carriage some centimeters right or
left, on a non-worn part of the belt.
3. Put the belt back on the carriage.
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