3-98 Service Manual
7558-xxx
The following table shows media sizes and the applicability of stapling for each staple position.
Stapling one sheet
Upon receiving the stapling command from the printer with one sheet remaining on the compiler unit assembly,
the finisher ejects the media to the stacker media bin without stapling it.
Stapling multiple size media
When sheets with different sizes and the same width (example: A4L and A3S) are present on the compiler unit
assembly, all the sheets are stapled and then ejected to the stacker media bin.
When sheets with different widths are present on the compiler unit assembly, stapling is stopped when a
different width is detected. Such different-width sheets are forcibly ejected to the stacker media bin.
Media limits for stapling
The number of sheets to be stapled is limited to prevent damage to the stapler.
• If the number of sheets of one set to be stapled exceeds the limit of the compiler unit assembly, the
exceeding sheets are not stacked on the compiler unit assembly, and are forcibly ejected to the stacker
media bin without being stapled.
• After the forcible ejection of media, if the number of following sheets of one set to be stapled exceeds the
limit of the compiler unit assembly, the exceeding sheets are also ejected forcibly to the stacker media bin
without being stapled.
• After that, even if the number of following sheets of one set to be stapled falls within the limit, the sheets are
also ejected forcibly to the stacker media bin without being stapled.
The upper limit (and default) of the compiler unit assembly media capacity when stapling is 50 (variable (10 to
100) by the non-volatile memory).
Stapler operation
The stapler stays at the front home position, that is, at the front staple (corner) position when the power is
turned on.
The stapler starts stapling when a set of sheets to be stapled is stacked on the compiler unit assembly.
The stapler does not move during stapling in the front staple mode.
Front
corner
Rear
corner
Rear
straight
Dual
A3 SEF Yes Yes No Yes
A4 LEF Yes Yes No Yes
11 x 17 in. SEF Yes Yes No Yes
8.5 x 11 in. LEF Yes Yes No Yes
8K SEF(GCO), 16K LEF(GCO) Yes Yes No Yes
B4 SEF, B5 LEF Yes Yes No Yes
8 x 10 in. LEF Yes Yes No Yes
8.5 x 14 in. SEF / 8.5 x 13 in. SEF /
8.5 x 11 in. SEF
Yes No Yes Yes
A4 SEF Yes No Yes Yes
8 x 10 in. SEF Yes No Yes Yes
Yes: Applicable, No: Not applicable
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