Operating Instructions
Maintenance Guide
 Introduction
 Trademarks
 Safety During Operation
Safety Information
 Iii
 Energy Star Program
Low-power Mode Energy Saver mode Specifications
 Symbols
How to Read This Manual
 Table of Contents
 102
100
103
105
 Viii
 Detaching the SR770 2 Tray Finisher
Replacing Consumables and Maintenance Kit
 Lower the Duplex Reversal Unit slowly until it stops
Opening and Closing the Duplex Reversal Unit
Push up the lock release button and keep it in place
 Add Toner
Replacing the Toner Cartridge
 Shake the toner cartridge back and forth 5-6 times
 Loading Toner
 Replacing the Fuser Oil Unit
Turn off the power switch and unplug the power cable
Replace Fuser Oil Unit TypeG
Pull out the left cover of the print- er slowly
 Do not touch any areas other than the handle
 ZDJH055J
 Plug in the power cable and turn on the power switch
 Replace Black PCU Type F
Replacing the Photoconductor Unit
Replace Color PCU Type a
Take out the green screwdriver
 Remove the Photoconductor Unit you want to replace
Lift the inner cover until it clicks into place and holds
 Take the unit out from the bag
Install a new Photoconductor Unit
 Turn the light brown lever clock- wise
Tighten two screws using provid- ed screwdriver
Lower the inner cover slowly
 Calibrating
 Replace Color Dev. UnitTypeB
Replacing the Development Unit
Replace Black Dev. UnitTypeD
 Remove the Development Unit
Install a new Development Unit
 ZDJH227E
 Please Wait
 Pull out the left cover of the print- er
Replacing the Fusing Unit
Replace Fusing Unit Type C
 Remove the Fuser Oil Unit in the direction of the arrow
 Please Wait
 Set Sheet Bypass, then #
Press # for Fuser Adjust
Initializing Please Wait
 C D E F G H 0 0 0 0 0 0 0
Ready
Invalid Value Press #
 Wear the glove on either hand
Replacing the Dustproof Filter
 Attach the small filter
 Replace Waste Toner Type E
Replacing the Waste Toner Bottle
 Push it in until it stops
 Paper Feed Roller B Paper Feed Roller C Two Stoppers
Replacing the Paper Feed Rollers
Paper Feed Roller a
 Replacing the Paper Feed Rollers
 ZERH090E
 Cleaning and Adjusting the Printer
 Close the right cover by pushing the area labeled Push
Cleaning the Registration Roller
 Cleaning the DustProof Glass
 Auto Adjust
Adjusting the Color Registration
 Color Regist Fuser Adjust
Fuser Adjust
When replacing the fusing unit
Completed
 Fuser Adjust At Unit Replace
Cannot Adjust See User’s Guide
Invalid Value Cannot Adjust
Test Sheet Print
 Load A4L or larger paper in the Bypass Tray
Menu Maintenance Fuser Adjust Custom Adjust
When color shifting occurs
 Set Sheet, then# A3 297 X
Custom Adjust Plain 600dpi
Select Action
 Adjustment a -7.0 +7.0 +0
Manual Adjust
Color Regist Manual Adjust Adjustment a -7.0 +7.0 +2
Press U or T to display Man- ual Adjust, and then press En
 Printing
Manual Adjust Print Result
Color Regist Manual Adjust
 Test Sheet Samples
ColorRegistSheet Fuser Adjust Sheet
 Fuser Adjust Sheet
 Maintenance Image Density
Adjusting the Image Density
Menu Maintenance Ready
Image Density Black
 Maintenance Registration
Adjusting the Registration of the Trays
Registration
Prt. Test Sheet
 Adjustment Vert. Tray
Registration Adjustment
Vert. Tray 3 -5.0 +5.0
Press U or T to set the digit of the registration value mm
 Cleaning and Adjusting the Printer
 Input Paper Sizes Metric version
Paper and Other Media Supported by This Printer
Paper Sizes
 Paper and Other Media
 Input Paper Sizes Inch version
 Output Paper Sizes Metric version
Paper weight and number of sheets to be set
 148 ⋅ 210 ⋅
 Output Paper Sizes Inch version
 Storing Paper
Paper Recommendations
Loading Paper
 Plain Paper
Types of Paper and Other Media
Thick Paper
OHP transparencies
 Only envelopes a and B as shown below are supported
Envelopes
 Paper not supported by this printer
 Printable Area
 Loading Paper in Tray
Loading Paper
Pull out the paper tray slowly un- til it stops
Load paper into the tray with the print side down
 Load paper in the same direction
Loading Paper in Tray 2 and the Optional Paper Feed Unit
Set the paper guide lock to the unlocked position
 ZDJY007J
 Paper Input Tray Paper Size
Menu Paper Input
Push in the Paper Tray slowly un- til it stops
Press U or T to display Paper Input, and then press Enter
 Press U or T to display pAuto, and then press Enter
2 x
Tray 2 *Auto
 Paper Type Tray
Changing the paper type
Tray Recycled Paper
Menu Paper Input Ready
 Load Paper in the Bypass Tray
 Paper Input Bypass Size
Adjust the side guides to the pa- per width
Bypass Size *11 x
Press U or T to Paper In- put menu, and then press En- ter
 Custom Size Vert mm
Bypass Size Custom Size
Custom Size Horiz mm
Specifying a custom paper size for the Bypass Tray
 Press U or T to display By- pass Tray, and then press Enter
Paper Type Bypass Tray
Specifying a paper type for the Bypass Tray
 Panel display
Bypass Tray Thick Paper
Following message appears on
 Alert Messages
Error & Status Messages on the Control Panel
Status Messages
 Troubleshooting
 Error & Status Messages on the Control Panel
 UTILITY\1394
 RAM
 Troubleshooting
 Error & Status Messages on the Control Panel
 Troubleshooting
 PCU
 Troubleshooting
 Error & Status Messages on the Control Panel
 Troubleshooting
 Printer Does Not Print
Possible Cause Solutions
 Is the number of printers connected
Terface cable
 Network Connection
 Status Possible Causes, Descriptions, and Solutions
Other Printing Problems
 Der the Image Adjustments tab in the Change Use Settings
 Select KBlack for Gray Reproduction under the Image
 Status Possible Causes, Descriptions, and Solutions
 Detaching the 2 Tray Finisher
Removing Misfed Paper
 Opening and Closing the Duplex Reversal Unit
Removing Misfed Paper in the Duplex Feed Unit
 ZDJP221J
 ZDJP056J
 Open the right cover
When Remove Misfeed AInternal Path Appears
 Back until it clicks into place B
Pull out the upper left cover for the printer slowly
 Close the Mailbox Cover
When Remove Misfeed W Mailbox Appears
Fold the Output Tray Raise it vertically
Fold it along the printer body
 ZDJY208J
 Return the Output Tray back into place Raise the tray
Close the front cover for the 2 Tray Finisher
Lower it slowly
Close the Lower Right cover for the Paper Feed Unit
 If you cannot remove the paper, proceed to step C
 Add Staples
Removing Jammed Staples
Open the face plate of the car- tridge to unlock it
Remove the jammed staples
 Close the front cover for the 24 Tray Finisher
 Pull the case cover up
Adding Staples
 Pull out the ribbon used for bun- dling the staples
Close the front cover for the 2 4 Tray Finisher
 Are Full
Removing Punch-hole Chips
Punch-hole Chips
 Push in the Transfer Unit until it stops
When the Front Cover Does Not Close
Close Front Cover
 104
 Moving the Printer
Moving and Transporting the Printer
Moving the printer in the short distance
Be sure to check the following points
 106
 Staple Cartridge
Consumables
Toner cartridge
 Name Consumables Average printable number Pages *1
Other consumables
 Index
 110
 Memo
 112
Page
 Overseas Affiliates