Troubleshooting Poor Image Quality; High Contrast; Low Contrast; Film Is Milky - JPI JP-33 Service Manual

Technical Support

Troubleshooting poor image quality.

4.1 High Contrast

1. Developer has too little starter.
2. Not enough water in the developer Mixture.
3. The washer temperature is too hot causing thermal (heat) contamination increasing the
developer temperature.
4. Wash water is not circulating or not supplied.
5. Expired and degraded film.
6. Film has been exposed to high heat.
7. Cassette is leaking light.
8. Replenishment rate is too high.
9. Developer Temperature is too high.

4.2 Low Contrast

1. The developer has too much starter.
2. Improperly mixed developer.
3. Developer is contaminated.
4. Depleted fixer.
5. Oxidized (rusted) developer.
6. Degraded or improperly stored film.
7. Developer temperature is not set high enough.
8. Depleted developer due to low replenishment rate.
9. Re-circulation of the developer has stopped.

4.3 Film is milky

1. Fixer is depleted.
2. Film is not washed properly (Low water level in wash tank).

4.4 Film Surface is spotty

1. The dryer rack vents are dirty.
2. The developer roller rack tension may need adjustment.
3. Check for damage on rollers.
4. Check for defective roller mechanism.
JP-33 SERVICE MANUAL
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- Trouble Shooting