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Ilfochrome P-30 and P-30P
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Process Times for Ilfochrome P-30 and P-30P
Color Prints from Transparencies (slides). Used with paper manufactured by Ilford.
Recommended Process at 24°C:
- Rotation Speed (with reversing directions) 'F'/25 for 1500, 2800 and 3000 drums (see note)
- Temperature 24°C (75°F)
- Pre-Rinse 0:30
- Developer 3:00
- Rinse 0:30 (Maximum)
- Bleach 3:00
- Fixer 3:00
- Final Rinse 3:00 (6x 0:30)
- Dry As needed
Recommended Process at 29°C:
- Rotation Speed (with reversing directions) 'F'/25 for 1500, 2800 and 3000 drums (see note)
- Temperature 29°C (84°F)
- Pre-Rinse 0:30
- Developer 2:00
- Rinse 0:30 (Maximum)
- Bleach 2:00
- Fixer 2:00
- Final Rinse 2:00 (4x 0:30)
- Dry As needed
Pre-Rinse
The drum and paper are brought to the process temperature. The emulsion is completely soaked with water.Developer
The developer is a black and white type developer that contains special additives enabling the formation of a positive silver mask.First rinse
This rinse interrupts development and avoids the spreading of undiluted developer into the bleach bath.Caution: Do not extend the time of this rinse. Do not change the water or increase the volume of water in the rinse step.
Bleach
In the bleach, pigment and silver bleaching are completed. The bleach is a highly acidic solution. Handle with care.Fixer
The fixer, an almost neutral pH, is well buffered to keep the pH value constant. In this bath, any remaining silver is removed from the print.Final rinse
In the final rinse, all chemicals and soluble reaction products are removed. The temperature of the rinse water should be at least 24°C (75°F) ±1°C. Cooler water slows down the rinsing process.Dry
As needed.
Caution: With Ilfochrome, pay attention to Ilford's solution quantity requirements. They are greater than the quantity that the JOBO drum indicates. In all cases you should use the Ilfochrome recommendations as a minimum amount.
Ilford recommends:
- 8 x 10" print 75 ml for each print
- 11 x 14" print 150 ml for each print
- 16 x 20" print 360 ml for each print
- 20 x 24" print 540 ml for each print
Note:
As with all color prints, do not attempt to make any judgment of the colors while the print is wet. Color can only be judged correctly when the print is dry.
Ilfochrome may usually be processed by using a constant rotation speed of 'F/25. If you have problems with evenness of processing using the rotation speed of 'F'/25, you may try this alternative. Run the rotation in the developer step at maximum speed for the first thirty seconds, and then reduce the rotation speed to the lowest speed for the duration of the developer step. All the rest of the process should be run at 'F'/25.
'Ilfochrome' products were formerly marketed by Ilford as 'Cibachrome'. Many earlier published materials refer to the Cibachrome product name.
If you have any questions, contact us utilizing one of the following methods:
Equipment or Processing Questions:
- Phone: Customer Service Department (734) 205-9421
e-mail: tech@jobo-usa.comRepair Questions:
- Phone: Repair Department (734) 205-9420
- e-mail: repair@jobo-usa.com
JOBO Contacts
- Telephone (734) 677-6989
- Fax: (734) 677-6963
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- P.O. Box 3721, Ann Arbor, MI 48106
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- 4401 Varsity Drive, Suite D, Ann Arbor, MI 48108
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This page last updated on 03/20/02