X-ray film processors · Mini-Medical family

AFP Imaging Mini-Medical: troubleshooting and error codes

The ServiceForge knowledge base holds 17 documented symptoms for the AFP Imaging Mini-Medical, with 50 ranked causes, 16 diagnostic checks with test points and expected values, and 0 error codes. Each symptom below shows its causes and the first check; the rest is one connection away. Connect ServiceForge to your AI

Symptoms

Decrease in image density

Film output lighter than expected; image appears washed out or pale; insufficient darkening of emulsion; under-developed appearance

Ranked causes

1. Film is under exposed (common)
2. Developer under replenished or exhausted (common)
3. Developer temperature too low (occasional)
4. Developer time too short (occasional)
5. New developer improperly mixed (rare)

5 corrective actions and part numbers are in ServiceForge. Connect ServiceForge to your AI

Scratches on film emulsion

Visible linear marks or gouges on film surface; emulsion scratched or abraded; image quality degraded by marks; parallel or random scratch patterns

Ranked causes

1. Dirt on feed rollers (common)
2. Chemicals crystallized on underside of top film guides (occasional)
3. Dirt or silver accumulation on rollers (occasional)
4. Roller in rack not turning (occasional)
5. Dirty feed tray surface (rare)

5 corrective actions and part numbers are in ServiceForge. Connect ServiceForge to your AI

Solution temperature too low caution

Developer temperature below normal operating range; film development too slow; image density may be reduced; processing time extended

Ranked causes

1. Heater failed (common)
2. Heater triac failed (open) (occasional)
3. Temperature control setting moved (occasional)
4. Shorted temperature sensor (occasional)
5. Logic failure (rare)

5 corrective actions and part numbers are in ServiceForge. Connect ServiceForge to your AI

Increase in image density

Film output darker than expected; excessive darkening of emulsion; over-development visible on output films; image appears too dense

Ranked causes

1. Film is over exposed (common)
2. Developer temperature too high (common)
3. Excessive developing time due to mechanical binding (occasional)
4. New developer improperly mixed (occasional)

4 corrective actions and part numbers are in ServiceForge. Connect ServiceForge to your AI

Over replenishing caution

Excessive chemical replenishment occurring; replenishment cycle too frequent or too much volume; chemicals wasted; solution composition incorrect

Ranked causes

1. Shorted film presence switch (common)
2. Shorted manual replenishment switch (occasional)
3. Pendulum magnet weak or stuck in up position (occasional)
4. Logic failure (rare)

4 corrective actions and part numbers are in ServiceForge. Connect ServiceForge to your AI

Solution temperature too high caution

Developer temperature exceeds normal operating range; film processing too fast; possible over-development or degradation of quality

Ranked causes

1. Temperature control setting moved (common)
2. Shorted heater triac (occasional)
3. Defective temperature sensor (open) (occasional)
4. Logic failure (rare)

First check

Verify temperature control setting

Test point: Temperature control dial or display
Expected: Setting matches specification for solution type

4 corrective actions and part numbers are in ServiceForge. Connect ServiceForge to your AI

Dirt particles on film

Visible spots or specks on finished film emulsion; foreign material adhered to film surface; image quality compromised; particles visible under inspection

Ranked causes

1. Foreign particles in dryer or on squeegee rollers (common)
2. Algae deposits on film (occasional)
3. Foreign particles on squeegee (occasional)

3 corrective actions and part numbers are in ServiceForge. Connect ServiceForge to your AI

Dryer temperature too high caution

Film curls or is damaged by excessive heat; emulsion may be affected; output quality degraded; possible equipment damage risk

Ranked causes

1. Open temperature sensor (common)
2. Blower failure (occasional)
3. Logic failure (rare)

3 corrective actions and part numbers are in ServiceForge. Connect ServiceForge to your AI

Dryer temperature too low

Film exits dryer wet or tacky; drying time insufficient; emulsion may not be fully set; moisture remains on film surface

Ranked causes

1. Failed heating element (common)
2. Open overtemp switch on dryer (occasional)
3. Shorted temperature sensor (rare)

3 corrective actions and part numbers are in ServiceForge. Connect ServiceForge to your AI

Films overlap or become skewed during transport

Multiple films touching or overlapping in processor; output film path becomes misaligned; film edges hit guides; output film orientation incorrect

Ranked causes

1. Bound rollers (common)
2. Rack end plate bearings worn (occasional)
3. Missing rack springs (occasional)

3 corrective actions and part numbers are in ServiceForge. Connect ServiceForge to your AI

Developing time not constant

Solution processing time is inconsistent; chemical reaction speed varies from cycle to cycle; film residence time in developer varies

Ranked causes

1. Excessive load on drive motor (common)
2. Solution levels low (common)

First check

Verify rack seating and rotation

Test point: Developer/fixer racks
Expected: Racks fully seated; rotate freely without binding

1 more check with pass and fail actions, 2 corrective actions, and part numbers are in ServiceForge. Connect ServiceForge to your AI

Film is tacky, wet or curled when leaving dryer

Output film remains moist or sticky; surface not dry; film edges curl upward; drying process incomplete; film handling difficult

Ranked causes

1. Improper fixing (common)
2. Dryer temperature too low (common)

2 corrective actions and part numbers are in ServiceForge. Connect ServiceForge to your AI

Film jams

Film stops or fails to advance through processor; film may be creased, bent or torn; jam prevents normal operation; production stopped

Ranked causes

1. Film not fed in squarely (common)
2. Improper fixing, fixer too old, pH too high, or improperly mixed fixer or fixer replenisher (common)

2 corrective actions and part numbers are in ServiceForge. Connect ServiceForge to your AI

No functions

Processor does not operate; no motor motion, no heating, no chemical replenishment; all controls and functions inactive; unit dead

Ranked causes

1. Interrupter switch not activated (common)
2. Interrupter switch defective (occasional)

2 corrective actions and part numbers are in ServiceForge. Connect ServiceForge to your AI

Calibration: Developer temperature control high voltage

Adjust developer tank heating element temperature setpoint using trim pot R-20 on Logic Board to maintain desired solution temperature for optimal film processing.

Ranked causes

1. Temperature setpoint requires adjustment via trim pot R-20 (common)

First check

Verify sufficient developer liquid level covering low level sensor

Test point: Front wall of developer tank low level sensor
Expected: About 1.5 gallons (6 L) of conductive liquid present

4 more checks with pass and fail actions, 1 corrective action, and part numbers are in ServiceForge. Connect ServiceForge to your AI

Calibration: Dryer temperature control caution

Adjust dryer section temperature setpoint using trim pot R-21 on Logic Board by inspecting processed film for drying quality (damp exit or heat marks).

Ranked causes

1. Dryer temperature setpoint requires adjustment via trim pot R-21 (common)

First check

Process film and inspect drying results

Test point: Processed film output from dryer section
Expected: Film properly dried without moisture or heat marks

1 more check with pass and fail actions, 1 corrective action, and part numbers are in ServiceForge. Connect ServiceForge to your AI

Calibration: Replenishment pump flow rates

Adjust developer and fixer replenishment pump cycle lengths using trim pots R-47 (developer) and R-28 (fixer) to deliver correct volumes per processing cycle.

Ranked causes

1. Replenishment flow rates require calibration adjustment (common)

First check

Turn processor ON

Test point: Main power switch
Expected: Processor powered

5 more checks with pass and fail actions, 1 corrective action, and part numbers are in ServiceForge. Connect ServiceForge to your AI

Community

0 fixes logged by technicians through their AI, with outcomes, for this model.

ServiceForge knowledge base record. Field-unverified unless technicians confirmed it. A teaching summary of the record, not a service manual. Export 2026-10-14.