1-16 Phaser 6121MFP Service Manual
General Information
First Print Output Time (FPOT)
First Print Output Time is defined as a time from when the engine receives a Start 
signal in Ready state, until a single page is printed and delivered to the output tray.
The following conditions are applied:
• The Controller does not keep the print engine waiting
• The printer is at Ready mode 
• Paper is A size Short Edge Feed (SEF)
• Process control time is not included
500-Sheet Feeder (Tray 2)
Characteristic Specification
Paper Sizes A4, Letter
Paper Type (Weight) Plain (60 – 90 gsm / 16 – 24 lb.)
Loading Capacity 500 sheets (20 lb.)
Duplex Unit
Characteristic Specification
Paper Sizes A4, Letter
Paper Type (Weight) Plain, Letterhead (60 – 90 gsm / 16 – 24 lb.)
Size
Tray 1
Normal paper
Tray 2
Normal paper
Tray 1
Thick paper
color mono color mono color mono
A4/Letter 
Simplex
< 21 sec. < 11 sec. < 21 sec. < 11 sec. < 28 sec. < 19 sec.
A4/Letter 
Duplex
< 33 sec. < 23 sec. < 33 sec. < 23 sec. N/A N/A
Legal Simplex < 33 sec. < 11 sec. N/A N/A N/A N/A
Legal Duplex N/A N/A N/A N/A N/A N/A