FR series

FR
Series information
Type	Single drum
Status	Obsolete

Resources

Tutorials

The following user created tutorials apply to the FR series.

• Elongation/shrinkage
• Ink (re)mixing
• Ink tube transfer
• Metric mode
• Printing folded sheets
• Retiming the main drive (GR/FR)
• Screen printing with riso stencils

Maintenance

Replacement parts

Name	Part no.	Stock	Unit
Feed tire	035-14303 021-14301	2 / riso	Paper feed
	The two matching rollers in the 1st paper feed—the outer one is the "scraper" (feeds multiple sheets in) and the inner one is the "pickup" (separates the top sheet). Each is an inner plastic core and outer tire (this is the part for the tire). The inner (pickup) roller should use OEM, the outer (scraper) roller can use generic—generic tires tend to be eccentric (egg-shaped) and a smaller diameter than the originals. The RP uses 3 rollers, two of which are tires on a proprietary core, but the third roller requires a solid feed tire.
Stripper pad	019-11833	3 / riso	Paper feed
	The stripper pad puts upward force and friction on the multiple pages that are fed into the pickup roller, so that the teeth of the tire only propel the top sheet into the riso. It is the rubber part that wears the fastest and must be replaced regularly for stable paper feed. Very old risos may use a different stripper unit, which takes an older stripper pad type (a thin square), otherwise this part is universal. An alternative grey stripper pad is listed under part no. 019-11834—it uses a harder material, which is meant to last longer and be better for heavier paper stocks.
Feed roller core	023-12306 021-14302	1 / riso	Paper feed
	The plastic core of the feed rollers (the feed tires are stretched around these) contains a one-way bearing, which allows the paper to be pulled freely through the 1st paper feed by the 2nd paper feed and press sections. This bearing wears down over time, which will either decrease the feed power or cause the roller to drag on the rest of the system. Replacement cores ship dry, and will need oiling.
Exit belts (GR/FR)	011-13220	1 set	Paper ejection
	Exit belts transport paper out of the riso—a suction fan pulls air down through holes in the belts to hold the paper to them while the main motor powers the belts. In machines, the exit belts are a set of 3 wide belts with staggered holes. As they wear, they will stretch out and slip on their rollers—paper will become stuck in the exit area (particularly larger sheets of heavier stocks). Belts can be tested by dragging them with a fingertip—all the belts should move together—if individual belts slip, it's a sign that all should be replaced.
Separator collar (GR/FR)	000-01515	1 / riso	Paper ejection
	A tiny roller that sits on a bracket at the back of the bar supporting the separator needle. When it breaks down, the separator needle will catch more frequently on the drum, resulting in stock drums and lost timing.
Drum support roller	000-01169	2 / drum	Drum
	The front of the drum body is suspended in 3 of these small rubber rollers. As they age, the rubber will separate from the metal core/bearing, and the drum body will bounce while printing (which makes a knocking sound)

Specifications

	Print area	DPI	Year
FR291
FR293
FR295
FR2950	Legal / B4	400
FR3910	A3	300 × 400
FR3950	Ledger / A3	400
FR3950α	Ledger / A3	400

Usage

There are 7 places printing with duplicators (2% of all active places).

FR3910	Hechiza 🇲🇽
FR3950	AtticRiso 🇺🇸BULK Space Media Lab 🇺🇸Common Area Maintenance 🇺🇸Delirios Visuales 🇲🇽Depression Press 🇺🇸Hurrikan Press 🇭🇺

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A map of the 7 places printing with duplicators—as listed in the Atlas.