Kodak E 6 Users Manual Z119.12
E-6 z119-12
E-6 to the manual 86e3e6b4-b3c8-463b-b727-7442c30e6cdf
2015-02-04
: Kodak Kodak-E-6-Users-Manual-370715 kodak-e-6-users-manual-370715 kodak pdf
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12 VISUAL TROUBLESHOOTING OF PROCESS E-6 Once you have eliminated improper film storage and incorrect exposure as causes of poor-quality transparencies on KODAK EKTACHROME Film, check for processing problems. These problems include errors in chemical mixing, order of processing steps, processing temperature, agitation, washing, replenishment, and solution contamination. A visual check of the processed film is one way to make an initial diagnosis. You can make a more thorough determination of the cause of processing problems and the corrective action to take by plotting and evaluating your control-strip densities; see section 13, “Process Monitoring.” Table 12-1 Troubleshooting from the Appearance of Processed Film Appearance of Film Very High Maximum Density (very dark no apparent image) Possible Cause No Edgeprint Visible First developer omitted Edgeprint Visible First developer and color developer reversed Film not exposed Dark Overall Inadequate time or low temperature in first developer First or color developer diluted or exhausted Color developer starter added to first developer Too much first developer starter used First developer or first and color developers underreplenished Very Dark (overall or in random areas) Bleach or fixer (or both) omitted, reversed, diluted, exhausted, or underreplenished LIght Overall Too much time or high temperature in first developer Film fogged by light before processing First or color developer (or both) too concentrated First or color developer (or both) overreplenished First developer starter omitted First developer contaminated with reversal bath or color developer First developer contaminated with fixer Image Very Faint or No Image (film may show colored streaks) First developer used twice or color developer omitted Severe light fog Overall Density Variation from Batch to Batch Inconsistent first-developer time, temperature, agitation, or replenishment Blue First developer contaminated with fixer Reversal bath overconcentrated Too little first developer starter used Cyan First-wash temperature too low Yellow Color-developer starter added to first developer Too much first developer starter used Inadequate bleaching or fixing Yellow-Red First developer with color developer starter added Underreplenishment of first developer or color developer Low Density Blue; High Density Yellow Color developer contaminated with fixer Green Reversal bath exhausted, diluted, or underreplenished Film fogged by green safelight Wash used between color developer and reversal bath Color developer dilute Color pH high Too much Part A in color developer Overreplenished color developer A dilute color developer Color developer mixed using first developer starter Using KODAK Chemicals, Process E-6 • Z-119 Sixth Edition 12-1 Appearance of Film Possible Cause Red Inadequate aeration of bleach Pre-bleach concentration too high Inadequate aeration of fixer First-wash temperature too high Severely oxidized color developer Magenta Color developer pH low Color developer concentrated Too much Part B in color developer Underreplenished color developer Cross-Width Bar Marks (with stainless-steel reels) Gaseous-burst agitation used in first developer Incorrect or inadequate manual agitation Scum and Dirt* Bio-growth (slime) in final rinse (drain and replace) Air filters in dryer need changing Dirt in solutions; use floating covers on processor and replenisher solution tanks Final rinse overconcentrated Precipitate in pre-bleach Dirt from dryer Fixer sulfurized Defoamer added directly to any solution or too much defoamer used Surface Spots (appear dark by transmitted light) Dirt from final rinse Water spotting. Final rinse too dilute Dirt from dryer Fixer sulfurized Dryer temperature too high Streaks—Nonuniformity Bleach or fixer time too short, temperature too low, or replenisher too dilute Uneven or insufficient agitation, particularly in first and color developers Nonuniform agitation in first and color developers Low first-wash flow rate Foam rundown Scratches and Abrasions Dirty squeegee blades Jammed, misaligned, or dirty rollers Cinch marks due to excessive take-up tension Dirt from loading area Dirt from camera Light Density Spots, Streaks, or Patterns Static Fog Stain Loss of bleach, fixer, or pre-bleach activity Fixer sulfurized by excessive aeration Bleach not sufficiently aerated Color-developer time too long or temperature too high Inadequate first-developer agitation * A buildup of fungus or algae in processing solutions or wash tanks can cause dirt. To minimize buildup, drain wash tanks when they are not in use. When you expect the processor to be out of use for more than six weeks, drain and rinse the reversal-bath processor tank and replenisher storage tanks. To remove fungus or algae, scrub the tank with a stiff-bristle brush, using a 30 to 50 mL/L sodium hypochlorite solution (household bleach). Rinse the tank thoroughly with water to remove all traces of the hypochlorite solution. Do not use a sodium hypochlorite solution in the wash tank that follows the fixer. Use a 5- to 25-micrometre (or finer) filter for your water supply. 12-2 Using KODAK Chemicals, Process E-6 • Z-119 Sixth Edition
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